Komatsu WA380-8 Install guide

CEBM030400
Shop
Manual
WA380 -8
WHEEL LOADER
SERIAL NUMBERS WA380-8 A74001 and up
ENGINE 6D107E-3
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to
make changes or improvements at any time without incurring any obligation to install such changes on products
sold previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2015 Komatsu
Printed in U.S.A.
Komatsu America Corp.
July 2015

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00 INDEX AND FOREWORD
WA380-8 00-1
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INDEX
00 INDEX AND FOREWORD ........................................................................................................................ 00-1
FOREWORD, SAFETY
, BASIC INFORMATION ................................................................................... 00-20
HOW TO READ THE SHOP MANUAL........................................................................................... 00-20
SAFETY NOTICE FOR OPERATION............................................................................................. 00-22
PRECAUTIONS TO PREVENT FIRE............................................................................................. 00-30
ACTION IF FIRE OCCURS............................................................................................................ 00-32
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS ........................................................ 00-33
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS...................................................... 00-34
PRECAUTIONS FOR DEF............................................................................................................. 00-35
STORE AdBlue/DEF ...................................................................................................................... 00-36
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT ...................................................... 00-37
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS................................ 00-39
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT..................................................... 00-45
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT .................................................. 00-47
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT .............................................. 00-48
PRACTICAL USE OF KOMTRAX .................................................................................................. 00-49
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER ................................................... 00-50
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS ..................... 00-54
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR ..................... 00-58
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR ....... 00-59
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL ... 00-61
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH .. 00-62
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE .
................................................................................................................................................... 00-64
HOW TO READ ELECTRICAL WIRE CODE ................................................................................. 00-65
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD.................................................... 00-69
ABBREVIATION LIST .................................................................................................................... 00-72
STANDARD TIGHTENING TORQUE TABLE................................................................................. 00-77
CONVERSION TABLE ................................................................................................................... 00-84
01 SPECIFICATIONS .................................................................................................................................... 01-1
CONTENTS ............................................................................................................................................ 01-2
SPECIFICATIONS .................................................................................................................................. 01-3
SPECIFICATION DRAWING............................................................................................................ 01-3
SPECIFICATIONS ........................................................................................................................... 01-5
WEIGHT TABLE ............................................................................................................................ 01-10
TABLE OF FUEL, COOLANT, AND LUBRICANTS ........................................................................ 01-12
10 STRUCTURE AND FUNCTION ................................................................................................................ 10-1
CONTENTS ............................................................................................................................................ 10-2
UREA SCR SYSTEM.............................................................................................................................. 10-6
LAYOUT DRAWING OF UREA SCR SYSTEM ................................................................................ 10-6
UREA SCR SYSTEM DIAGRAM ................................................................................................... 10-10
FUNCTION OF UREA SCR SYSTEM.............................................................................................10-11
COMPONENT PARTS OF UREA SCR SYSTEM........................................................................... 10-26
BOOT-UP SYSTEM .............................................................................................................................. 10-35
LAYOUT DRAWING OF BOOT-UP SYSTEM................................................................................. 10-35
SYSTEM OPERATING LAMP SYSTEM ........................................................................................ 10-36
BATTERY DISCONNECT SWITCH ............................................................................................... 10-37
PREHEATING SYSTEM ................................................................................................................ 10-39
ENGINE SYSTEM ................................................................................................................................ 10-41
LAYOUT DRAWING OF ENGINE SYSTEM................................................................................... 10-41
ENGINE CONTROL SYSTEM ....................................................................................................... 10-43
ENGINE POWER MODE SELECTOR SYSTEM............................................................................ 10-49
AUTOMATIC IDLE STOP SYSTEM ............................................................................................... 10-50
COMPONENT PARTS OF ENGINE SYSTEM ............................................................................... 10-51
COOLING SYSTEM.............................................................................................................................. 10-69
LAYOUT DRAWING OF COOLING SYSTEM ................................................................................ 10-69
INDEX 00 INDEX AND FOREWORD
00-2 WA380-8
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COOLING FAN CONTROL SYSTEM............................................................................................. 10-72
COMPONENT PARTS OF COOLING SYSTEM............................................................................. 10-77
CONTROL SYSTEM............................................................................................................................. 10-91
LAYOUT DRAWING OF CONTROL SYSTEM ............................................................................... 10-91
MACHINE MONITOR SYSTEM ..................................................................................................... 10-93
REARVIEW MONITOR SYSTEM................................................................................................... 10-95
KOMTRAX SYSTEM...................................................................................................................... 10-96
COMPONENT PARTS OF CONTROL SYSTEM............................................................................ 10-97
HYDRAULIC SYSTEM.........................................................................................................................10-149
LAYOUT DRAWING OF HYDRAULIC SYSTEM ...........................................................................10-149
CLSS ............................................................................................................................................10-150
WORK EQUIPMENT PUMP AND STEERING PUMP CONTROL SYSTEM .................................10-153
COMPONENT PARTS OF HYDRAULIC SYSTEM .......................................................................10-154
POWER TRAIN SYSTEM ....................................................................................................................10-228
LAYOUT DRAWING OF POWER TRAIN SYSTEM.......................................................................10-228
OPERATION OF POWER TRAIN SYSTEM..................................................................................10-231
TRANSMISSION CONTROL SYSTEM .........................................................................................10-232
TRANSMISSION GEAR SHIFT CONTROL SYSTEM...................................................................10-234
TRANSMISSION PROTECTION FUNCTION ...............................................................................10-240
DIRECTIONAL SELECTOR SWITCH CONTROL FUNCTION......................................................10-243
TRANSMISSION CUT-OFF FUNCTION .......................................................................................10-245
COMPONENT PARTS OF POWER TRAIN SYSTEM ...................................................................10-247
WORK EQUIPMENT SYSTEM ............................................................................................................10-294
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM ..............................................................10-294
WORK EQUIPMENT SYSTEM DIAGRAM....................................................................................10-296
WORK EQUIPMENT CONTROL SYSTEM...................................................................................10-298
WORK EQUIPMENT NEUTRAL LOCK SYSTEM .........................................................................10-302
REMOTE POSITIONER SYSTEM ................................................................................................10-304
BUCKET POSITIONER AND BOOM POSITIONER......................................................................10-309
SEMI AUTO-DIGGING SYSTEM ..................................................................................................10-310
ECSS............................................................................................................................................10-312
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM...........................................................10-314
STEERING SYSTEM ...........................................................................................................................10-322
LAYOUT DRAWING OF STEERING SYSTEM .............................................................................10-322
SECONDARY STEERING SYSTEM.............................................................................................10-323
STEERING COLUMN ...................................................................................................................10-325
COMPONENT PARTS OF STEERING SYSTEM..........................................................................10-326
BRAKE SYSTEM .................................................................................................................................10-346
LAYOUT DRAWING OF BRAKE SYSTEM ...................................................................................10-346
PARKING BRAKE CONTROL SYSTEM .......................................................................................10-348
COMPONENT PARTS OF BRAKE SYSTEM................................................................................10-350
UNDERCARRIAGE AND FRAME........................................................................................................10-370
FRAME, AXLE MOUNT AND CENTER HINGE PIN .....................................................................10-370
TIRE .............................................................................................................................................10-372
WORK EQUIPMENT............................................................................................................................10-374
STRUCTURE OF WORK EQUIPMENT ........................................................................................10-374
STRUCTURE OF BUCKET...........................................................................................................10-375
CAB AND ITS ATTACHMENTS ...........................................................................................................10-376
ROPS CAB ...................................................................................................................................10-376
20 STANDARD VALUE TABLE ...................................................................................................................... 20-1
CONTENTS ............................................................................................................................................ 20-2
STANDARD VALUE TABLE FOR ENGINE ............................................................................................. 20-3
STANDARD VALUE TABLE FOR ENGINE: WA380-8...................................................................... 20-3
STANDARD VALUE TABLE FOR MACHINE........................................................................................... 20-7
STANDARD VALUE TABLE FOR MACHINE: WA380-8................................................................... 20-7
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE ......................... 20-26
STANDARD VALUE TABLE FOR ELECTRICAL ................................................................................... 20-29
STANDARD VALUE TABLE FOR ELECTRICITY........................................................................... 20-29
00 INDEX AND FOREWORD INDEX
WA380-8 00-3
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30 TESTING AND ADJUSTING..................................................................................................................... 30-1
CONTENTS ............................................................................................................................................ 30-2
RELATED INFORMATION ON TESTING AND ADJUSTING .................................................................. 30-5
TOOLS FOR TESTING AND ADJUSTING....................................................................................... 30-5
SKETCH OF TOOLS FOR TESTING AND ADJUSTING ............................................................... 30-14
ENGINE AND COOLING SYSTEM....................................................................................................... 30-15
TEST ENGINE SPEED .................................................................................................................. 30-15
TEST BOOST PRESSURE............................................................................................................ 30-21
TEST EXHAUST GAS TEMPERATURE ........................................................................................ 30-25
TEST EXHAUST GAS COLOR...................................................................................................... 30-27
TEST AND ADJUST VALVE CLEARANCE .................................................................................... 30-30
TEST COMPRESSION PRESSURE.............................................................................................. 30-33
TEST BLOWBY PRESSURE ......................................................................................................... 30-38
TEST ENGINE OIL PRESSURE .................................................................................................... 30-41
TEST EGR VALVE AND KVGT OIL PRESSURE ........................................................................... 30-43
TEST FUEL PRESSURE ............................................................................................................... 30-45
TEST FUEL DISCHARGE, RETURN AND LEAKAGE ................................................................... 30-51
BLEED AIR FROM FUEL SYSTEM ............................................................................................... 30-58
TEST FUEL CIRCUIT FOR LEAKAGE .......................................................................................... 30-60
HANDLE CYLINDER CUT-OUT MODE OPERATION.................................................................... 30-62
HANDLE NO-INJECTION CRANKING OPERATION ..................................................................... 30-63
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE............................ 30-64
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS ................................. 30-65
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS .......................................................... 30-66
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION ................................. 30-67
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER ................ 30-69
TEST SCR RELATED FUNCTIONS............................................................................................... 30-70
CLEAN AdBlue/DEF TANK ...........................................................................................................30-100
POWER TRAIN....................................................................................................................................30-104
TEST AND ADJUST POWER TRAIN OIL PRESSURE ................................................................30-104
ADJUST TRANSMISSION INPUT SPEED SENSOR....................................................................30-123
ADJUST TRANSMISSION OUTPUT SHAFT SPEED SENSOR ...................................................30-124
FLUSH TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT ..........................30-125
MOVE DISABLED MACHINE DUE TO TRANSMISSION VALVE FAILURE..................................30-127
TEST OIL LEAKAGE FROM AXLE FINAL DRIVE ........................................................................30-129
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE.......................................30-130
STEERING SYSTEM ...........................................................................................................................30-131
TEST STEERING WHEEL ............................................................................................................30-131
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE ........................................................30-133
BLEED AIR FROM STEERING CYLINDER CIRCUIT...................................................................30-137
TEST AND ADJUST STEERING STOP VALVE ............................................................................30-138
BRAKE SYSTEM .................................................................................................................................30-139
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT ...............................30-139
TEST WHEEL BRAKE OIL PRESSURE .......................................................................................30-140
TEST AND ADJUST BRAKE ACCUMULATOR CHARGE PRESSURE ........................................30-142
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BRAKE ..................30-144
TEST BRAKING PERFORMANCE ...............................................................................................30-149
TEST BRAKE PEDAL ...................................................................................................................30-150
BLEED AIR FROM BRAKE CIRCUIT ...........................................................................................30-151
TEST AND ADJUST BRAKE PEDAL AND LINKAGE ...................................................................30-152
TEST LOWERING OF WHEEL BRAKE PRESSURE....................................................................30-153
TEST WEAR OF WHEEL BRAKE DISC .......................................................................................30-156
TEST PARKING BRAKE OIL PRESSURE ....................................................................................30-158
TEST PARKING BRAKE PERFORMANCE...................................................................................30-160
RELEASE PARKING BRAKE MANUALLY ....................................................................................30-161
TEST WEAR AMOUNT OF PARKING BRAKE DISC....................................................................30-163
HYDRAULIC SYSTEM.........................................................................................................................30-165
RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT ...............................30-165
INDEX 00 INDEX AND FOREWORD
00-4 WA380-8
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TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE ........................................................30-167
TEST AND ADJUST WORK EQUIPMENT EPC OIL PRESSURE ................................................30-173
BLEED AIR FROM WORK EQUIPMENT CIRCUIT.......................................................................30-176
TEST COOLING FAN SPEED .....................................................................................................30-177
TEST COOLING FAN CIRCUIT OIL PRESSURE .........................................................................30-179
BLEED AIR FROM COOLING FAN CIRCUIT ...............................................................................30-182
TEST ECSS ACCUMULATOR NITROGEN GAS PRESSURE AND CHARGE ACCUMULATOR WITH
NITROGEN GAS .......................................................................................................................30-184
WORK EQUIPMENT............................................................................................................................30-190
TEST AND ADJUST BUCKET POSITIONER DETECTION LEVER .............................................30-190
TEST AND ADJUST BOOM POSITIONER DETECTION LEVER .................................................30-192
CAB AND ITS ATTACHMENTS ...........................................................................................................30-193
TEST DIRECTIONAL LEVER .......................................................................................................30-193
TEST WORK EQUIPMENT CONTROL LEVER............................................................................30-194
ELECTRICAL SYSTEM .......................................................................................................................30-197
SET AND ADJUST EACH EQUIPMENT.......................................................................................30-197
SET AND OPERATE MACHINE MONITOR..................................................................................30-201
METHOD FOR STARTING UP KOMTRAX TERMINAL ................................................................30-327
ADJUST REARVIEW CAMERA ANGLE .......................................................................................30-332
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER .........................................................30-334
HANDLE BATTERY DISCONNECT SWITCH ...............................................................................30-335
TEST DIODES ..............................................................................................................................30-336
Pm CLINIC...........................................................................................................................................30-337
Pm CLINIC SERVICE ...................................................................................................................30-337
40 TROUBLESHOOTING .............................................................................................................................. 40-1
CONTENTS ............................................................................................................................................ 40-2
RELATED INFORMATION ON TROUBLESHOOTING ......................................................................... 40-14
GENERAL TROUBLESHOOTING POINTS ................................................................................... 40-14
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM.......................................................... 40-15
SEQUENCE OF EVENTS IN TROUBLESHOOTING..................................................................... 40-27
CHECKS BEFORE TROUBLESHOOTING.................................................................................... 40-29
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING ..................................................... 40-31
TESTING IN ACCORDANCE WITH TESTING PROCEDURE....................................................... 40-33
ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION................................................. 40-55
PROCEDURE FOR TESTING AND TROUBLESHOOTING .......................................................... 40-67
SYMPTOM AND TROUBLESHOOTING NUMBERS ..................................................................... 40-69
INFORMATION IN TROUBLESHOOTING TABLE ......................................................................... 40-73
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SEN-
SOR SYSTEM............................................................................................................................ 40-75
CONNECTORS LIST AND LAYOUT.............................................................................................. 40-78
CONNECTOR PIN NUMBERS - CONNECTION TABLE................................................................ 40-97
T-BOXES AND T-ADAPTERS LIST ..............................................................................................40-137
FUSE LOCATION TABLE .............................................................................................................40-143
PRECAUTIONS FOR KDPF (KCSF, KDOC) CLEANING AND CHANGE .....................................40-147
PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR .......................................40-151
PROCEDURES FOR CREATING HARNESS CHECKER ON MACHINE MONITOR LCD UNIT...40-153
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883]
AND [CA3135])..........................................................................................................................40-159
FAILURE CODES TABLE .............................................................................................................40-161
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .....................................................40-184
FAILURE CODE [1500L0] T/M Clutches Double Engagement ......................................................40-184
FAILURE CODE [15SAL1] ECMV Release Trouble (Forward) ......................................................40-185
FAILURE CODE [15SALH] ECMV Engage Trouble (Forward) ......................................................40-187
FAILURE CODE [15SBL1] ECMV Release Trouble (Reverse Clutch)...........................................40-189
FAILURE CODE [15SBLH] ECMV Engage Trouble (Reverse) ......................................................40-191
FAILURE CODE [15SEL1] ECMV Release Trouble (1st Clutch) ...................................................40-193
FAILURE CODE [15SELH] ECMV Engage Trouble (1st) ..............................................................40-195
FAILURE CODE [15SFL1] ECMV Release Trouble (2nd Clutch) ..................................................40-197
00 INDEX AND FOREWORD INDEX
WA380-8 00-5
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FAILURE CODE [15SFLH] ECMV Engage Trouble (2nd) .............................................................40-199
FAILURE CODE [15SGL1] ECMV Release Trouble (3rd Clutch) ..................................................40-201
FAILURE CODE [15SGLH] ECMV Engage Trouble (3rd)..............................................................40-203
FAILURE CODE [15SHL1] ECMV Release Trouble (4th)..............................................................40-205
FAILURE CODE [15SHLH] ECMV Engage Trouble (4th) ..............................................................40-207
FAILURE CODE [2F00MA] Parking Brake Defective Function ......................................................40-210
FAILURE CODE [2F00MB] Malfunction of Parking Brake .............................................................40-214
FAILURE CODE [2G42ZG] Accumulator Oil Pressure Low (Front) ..............................................40-217
FAILURE CODE [2G43ZG] Accumulator Oil Pressure Low (Rear)................................................40-219
FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit.....................40-221
FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit.....................40-223
FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit ................................40-225
FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit ................................40-227
FAILURE CODE [879CKA] Ventilating Sensor Open Circuit..........................................................40-229
FAILURE CODE [879CKB] Ventilating Sensor Short Circuit..........................................................40-231
FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit.....................................40-233
FAILURE CODE [879EMC] Ventilation Damper Malfunction .........................................................40-235
FAILURE CODE [879FMC] Air Mix Damper Malfunction...............................................................40-238
FAILURE CODE [989A00] Engine Overrun...................................................................................40-241
FAILURE CODE [989L00] Engine Controller Lock Caution 1 ........................................................40-242
FAILURE CODE [989M00] Engine Controller Lock Caution 2 .......................................................40-243
FAILURE CODE [989N00] Engine Controller Lock Caution 3........................................................40-244
FAILURE CODE [A1U0N3] HC Desorb Request 1........................................................................40-245
FAILURE CODE [A1U0N4] HC Desorb Request 2........................................................................40-247
FAILURE CODE [AA10NX] Air Cleaner Clogging..........................................................................40-249
FAILURE CODE [AB00KE] Charge Voltage Low...........................................................................40-251
FAILURE CODE [AB00KY] Hot Short of Alternator R Terminal .....................................................40-253
FAILURE CODE [AQ10N3] Manual Stationary Regeneration Request (KDOC Face Plugging) ....40-255
FAILURE CODE [AS00N3] Manual Stationary Regeneration Request (SCR) ...............................40-257
FAILURE CODE [AS00R2] Warning 2 (SCR Device Abnormality) ................................................40-259
FAILURE CODE [AS00R3] Inducement 1 (SCR Device Abnormality) ...........................................40-260
FAILURE CODE [AS00R4] Inducement 2 (SCR Device Abnormality) ...........................................40-261
FAILURE CODE [AS00R5] Inducement 3 (SCR Device Abnormality) ...........................................40-262
FAILURE CODE [AS00R6] Temporary Recovery of Inducement...................................................40-263
FAILURE CODE [AS00ZK] AdBlue/DEF Level Low Error 5...........................................................40-264
FAILURE CODE [AS10KM] AdBlue/DEF Injector Overheat Warning ............................................40-265
FAILURE CODE [AS10NR] AdBlue/DEF Injector High Temperature Warning ...............................40-266
FAILURE CODE [AS10NT] AdBlue/DEF Injector Overheat Caution..............................................40-267
FAILURE CODE [B@BAZG] Eng Oil Press Low ...........................................................................40-268
FAILURE CODE [B@BAZK] Eng Oil Level Low ............................................................................40-269
FAILURE CODE [B@BCNS] Eng Water Overheat ........................................................................40-271
FAILURE CODE [B@BCZK] Engine Coolant Level Low ...............................................................40-272
FAILURE CODE [B@CENS] Power Train Oil Overheat ................................................................40-274
FAILURE CODE [B@HANS] Hydraulic Oil Overheat ....................................................................40-275
FAILURE CODE [CA115] Engine NE and Backup Speed Sensor Error.........................................40-276
FAILURE CODE [CA122] Charge Air Pressure Sensor High Error................................................40-277
FAILURE CODE [CA123] Charge Air Pressure Sensor Low Error.................................................40-279
FAILURE CODE [CA131] Throttle Sensor High Error....................................................................40-281
FAILURE CODE [CA132] Throttle Sensor Low Error.....................................................................40-283
FAILURE CODE [CA144] Coolant Temperature Sensor High Error...............................................40-286
FAILURE CODE [CA145] Coolant Temperature Sensor Low Error................................................40-288
FAILURE CODE [CA153] Charge Air Temperature Sensor High Error ..........................................40-290
FAILURE CODE [CA154] Charge Air Temperature Sensor Low Error...........................................40-293
FAILURE CODE [CA187] Sensor 2 Supply Voltage Low Error ......................................................40-295
FAILURE CODE [CA221] Ambient Pressure Sensor High Error....................................................40-297
FAILURE CODE [CA222] Ambient Pressure Sensor Low Error ....................................................40-299
FAILURE CODE [CA227] Sensor 2 Supply Voltage High Error .....................................................40-301
FAILURE CODE [CA234] Engine Overspeed................................................................................40-302
INDEX 00 INDEX AND FOREWORD
00-6 WA380-8
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FAILURE CODE [CA238] NE Speed Sensor Supply Voltage Error ...............................................40-303
FAILURE CODE [CA239] NE Speed Sensor Supply Voltage High Error .......................................40-305
FAILURE CODE [CA249] Ambient Air Temp Sensor High Error....................................................40-307
FAILURE CODE [CA256] Ambient Air Temp Sensor Low Error.....................................................40-309
FAILURE CODE [CA271] IMV or PCV 1 Short Circuit Error ..........................................................40-311
FAILURE CODE [CA272] IMV or PCV 1 Open Circuit Error ..........................................................40-313
FAILURE CODE [CA322] Injector #1 (L#1) Open Circuit Error or Short Circuit Error ....................40-315
FAILURE CODE [CA323] Injector #5 (L#5) Open Circuit Error or Short Circuit Error ....................40-317
FAILURE CODE [CA324] Injector #3 (L#3) Open Circuit Error or Short Circuit Error ....................40-319
FAILURE CODE [CA325] Injector #6 (L#6) Open Circuit Error or Short Circuit Error ....................40-321
FAILURE CODE [CA331] Injector #2 (L#2) Open Circuit Error or Short Circuit Error ....................40-323
FAILURE CODE [CA332] Injector #4 (L#4) Open Circuit Error or Short Circuit Error ....................40-325
FAILURE CODE [CA343] Engine Controller Internal Failure .........................................................40-327
FAILURE CODE [CA351] Injectors Drive Circuit Error...................................................................40-328
FAILURE CODE [CA352] Sensor 1 Supply Voltage Low Error ......................................................40-329
FAILURE CODE [CA356] MAF Sensor High Error ........................................................................40-332
FAILURE CODE [CA357] MAF Sensor Low Error .........................................................................40-334
FAILURE CODE [CA386] Sensor 1 Supply Voltage High Error .....................................................40-337
FAILURE CODE [CA428] Water in Fuel Sensor High Error ...........................................................40-338
FAILURE CODE [CA429] Water in Fuel Sensor Low Error............................................................40-340
FAILURE CODE [CA431] Idle Validation Sw Error ........................................................................40-342
FAILURE CODE [CA432] Idle Validation Process Error ...............................................................40-345
FAILURE CODE [CA435] Engine Oil Pressure SW Error ..............................................................40-349
FAILURE CODE [CA441] Power Voltage Low Error......................................................................40-351
FAILURE CODE [CA442] Power Voltage High Error .....................................................................40-353
FAILURE CODE [CA449] Common Rail Pressure High Error 2 ....................................................40-354
FAILURE CODE [CA451] Common Rail Pressure Sensor High Error ...........................................40-355
FAILURE CODE [CA452] Common Rail Pressure Sensor Low Error ............................................40-357
FAILURE CODE [CA488] Charge Air Temperature High Torque Derate........................................40-359
FAILURE CODE [CA515] Common Rail Pressure Sensor Supply Voltage High Error...................40-360
FAILURE CODE [CA516] Common Rail Pressure Sensor Supply Voltage Low Error....................40-362
FAILURE CODE [CA553] Common Rail Pressure High Error 1 ....................................................40-364
FAILURE CODE [CA555] Crankcase Pressure High Error 1 .........................................................40-365
FAILURE CODE [CA556] Crankcase Pressure High Error 2 .........................................................40-366
FAILURE CODE [CA559] Common Rail Pressure Low Error 1 .....................................................40-367
FAILURE CODE [CA595] Turbocharger Speed High Error 2.........................................................40-370
FAILURE CODE [CA687] Turbocharger Speed Low Error ............................................................40-371
FAILURE CODE [CA689] Engine NE Speed Sensor Error............................................................40-373
FAILURE CODE [CA691] Intake Air Temperature Sensor High Error ............................................40-376
FAILURE CODE [CA692] Intake Air Temperature Sensor Low Error.............................................40-378
FAILURE CODE [CA697] Engine Controller Internal Temperature Sensor High Error ...................40-380
FAILURE CODE [CA698] Engine Controller Internal Temperature Sensor Low Error....................40-381
FAILURE CODE [CA731] Engine Backup Speed Sensor Phase Error ..........................................40-382
FAILURE CODE [CA778] Engine Backup Speed Sensor Error .....................................................40-384
FAILURE CODE [CA1117] Engine Controller Partial Data Lost Error ............................................40-389
FAILURE CODE [CA1664] KDOC Abnormality .............................................................................40-390
FAILURE CODE [CA1669] AdBlue/DEF Level Sensor Voltage High Error ....................................40-394
FAILURE CODE [CA1673] AdBlue/DEF Level Low Error 3 ...........................................................40-395
FAILURE CODE [CA1677] AdBlue/DEF Temperature Sensor Low Error .....................................40-396
FAILURE CODE [CA1678] AdBlue/DEF Temperature Sensor High Error .....................................40-397
FAILURE CODE [CA1682] AdBlue/DEF Pump Priming Error........................................................40-398
FAILURE CODE [CA1683] AdBlue/DEF Tank Heating Valve Voltage High Error...........................40-400
FAILURE CODE [CA1684] AdBlue/DEF Tank Heating Valve Voltage Low Error ...........................40-402
FAILURE CODE [CA1686] AdBlue/DEF Quality Sensor Voltage High Error..................................40-404
FAILURE CODE [CA1691] Defective Regeneration ......................................................................40-405
FAILURE CODE [CA1694] SCR Outlet NOx Sensor In Range Error.............................................40-408
FAILURE CODE [CA1695] Sensor 5 Supply Voltage High Error ...................................................40-411
FAILURE CODE [CA1696] Sensor 5 Supply Voltage Low Error ....................................................40-412
00 INDEX AND FOREWORD INDEX
WA380-8 00-7
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FAILURE CODE [CA1712] AdBlue/DEF Tank Thawing Error .......................................................40-414
FAILURE CODE [CA1713] AdBlue/DEF Tank Heater Valve Open Stuck Error..............................40-417
FAILURE CODE [CA1714] AdBlue/DEF Quality Sensor Out of Calibration Error ..........................40-419
FAILURE CODE [CA1715] AdBlue/DEF Quality Sensor Internal Circuit Error...............................40-420
FAILURE CODE [CA1776] Sensor Supply Relay Voltage High Error ............................................40-421
FAILURE CODE [CA1777] Sensor Supply Relay Voltage Low Error .............................................40-424
FAILURE CODE [CA1843] Crankcase Pressure Sensor High Error..............................................40-427
FAILURE CODE [CA1844] Crankcase Pressure Sensor Low Error...............................................40-429
FAILURE CODE [CA1879] KDPF Differential Pressure Sensor High Error ...................................40-432
FAILURE CODE [CA1881] KDPF Differential Pressure Sensor Low Error ....................................40-435
FAILURE CODE [CA1883] KDPF Differential Pressure Sensor In Range Error ............................40-437
FAILURE CODE [CA1885] Turbo Outlet NOx Sensor Circuit Error ...............................................40-441
FAILURE CODE [CA1887] SCR Outlet NOx Sensor Circuit Error .................................................40-443
FAILURE CODE [CA1921] KDPF Soot Accumulation High Error 1 ...............................................40-445
FAILURE CODE [CA1922] KDPF Soot Accumulation High Error 2 ...............................................40-448
FAILURE CODE [CA1942] Crankcase Pressure Sensor In Range Error.......................................40-453
FAILURE CODE [CA1993] KDPF Differential Pressure Low Error ................................................40-454
FAILURE CODE [CA2185] Throttle Sensor Supply Voltage High Error .........................................40-457
FAILURE CODE [CA2186] Throttle Sensor Supply Voltage Low Error ..........................................40-459
FAILURE CODE [CA2249] Common Rail Pressure Low Error 2 ...................................................40-461
FAILURE CODE [CA2271] EGR Valve Position Sensor High Error ...............................................40-462
FAILURE CODE [CA2272] EGR Valve Position Sensor Low Error................................................40-465
FAILURE CODE [CA2288] Turbocharger Speed High Error 1.......................................................40-468
FAILURE CODE [CA2311] lMV Solenoid Error..............................................................................40-469
FAILURE CODE [CA2349] EGR Valve Solenoid Open Circuit Error..............................................40-470
FAILURE CODE [CA2353] EGR Valve Solenoid Short Circuit Error ..............................................40-473
FAILURE CODE [CA2357] EGR Valve Servo Error.......................................................................40-475
FAILURE CODE [CA2381] KVGT Position Sensor High Error.......................................................40-476
FAILURE CODE [CA2382] KVGT Position Sensor Low Error .......................................................40-479
FAILURE CODE [CA2383] KVGT Solenoid Open Circuit Error .....................................................40-482
FAILURE CODE [CA2386] KVGT Solenoid Short Circuit Error .....................................................40-485
FAILURE CODE [CA2387] KVGT Servo Error ..............................................................................40-487
FAILURE CODE [CA2555] Intake Air Heater Relay Open Circuit Error .........................................40-488
FAILURE CODE [CA2556] Intake Air Heater Relay Short Circuit Error .........................................40-491
FAILURE CODE [CA2637] KDOC Face Plugging .........................................................................40-493
FAILURE CODE [CA2639] Manual Stationary Regeneration Request ..........................................40-495
FAILURE CODE [CA2771] SCR Outlet NOx Sensor Datalink Timeout Error.................................40-498
FAILURE CODE [CA2777] Manual Stationary Regeneration Request but KDPF Regeneration Disable ..
..................................................................................................................................................40-504
FAILURE CODE [CA2976] AdBlue/DEF Pump Temperature Sensor Signal Error.........................40-507
FAILURE CODE [CA3133] KDPF Outlet Pressure Sensor High Error...........................................40-509
FAILURE CODE [CA3134] KDPF Outlet Pressure Sensor Low Error............................................40-512
FAILURE CODE [CA3135] KDPF Outlet Pressure Sensor In Range Error....................................40-514
FAILURE CODE [CA3142] SCR Temperature Sensor High Error..................................................40-518
FAILURE CODE [CA3143] SCR Temperature Sensor Low Error ..................................................40-519
FAILURE CODE [CA3144] SCR Temperature Sensor In Range Error ..........................................40-520
FAILURE CODE [CA3146] SCR Outlet Temperature Sensor High Error .......................................40-523
FAILURE CODE [CA3147] SCR Outlet Temperature Sensor Low Error ........................................40-524
FAILURE CODE [CA3148] SCR Outlet Temperature Sensor In Range Error ................................40-525
FAILURE CODE [CA3151] SCR Catalyst Efficiency Low Error 2...................................................40-527
FAILURE CODE [CA3165] SCR Outlet Temperature High Error ...................................................40-533
FAILURE CODE [CA3229] SCR Temperature High Error..............................................................40-535
FAILURE CODE [CA3231] SCR Temperature High Error - Non Regeneration ..............................40-537
FAILURE CODE [CA3232] Turbo Outlet NOx Sensor Datalink Timeout Error ...............................40-539
FAILURE CODE [CA3235] SCR Outlet Temperature High Error - Non Regeneration....................40-543
FAILURE CODE [CA3239] AdBlue/DEF Line Heater 2 Voltage High Error....................................40-545
FAILURE CODE [CA3241] AdBlue/DEF Line Heater 2 Voltage Low Error ....................................40-548
FAILURE CODE [CA3242] AdBlue/DEF Tank Heating Error .........................................................40-551
INDEX 00 INDEX AND FOREWORD
00-8 WA380-8
Find manuals at https://best-manuals.com

FAILURE CODE [CA3251] KDOC Inlet Temperature High Error ...................................................40-554
FAILURE CODE [CA3253] KDOC Temperature Error - Non Regeneration ...................................40-556
FAILURE CODE [CA3254] KDOC Outlet Temperature High Error 1..............................................40-559
FAILURE CODE [CA3255] KDPF Temperature Error - Non Regeneration ....................................40-562
FAILURE CODE [CA3256] KDPF Outlet Temperature High Error 1 ..............................................40-565
FAILURE CODE [CA3311] KDOC Outlet Temperature High Error 2..............................................40-567
FAILURE CODE [CA3312] KDPF Outlet Temperature High Error 2 ..............................................40-569
FAILURE CODE [CA3313] KDOC Inlet Temperature Sensor Low Error ........................................40-572
FAILURE CODE [CA3314] KDOC Inlet Temperature Sensor High Error .......................................40-574
FAILURE CODE [CA3315] KDOC Inlet Temperature Sensor In Range Error ................................40-575
FAILURE CODE [CA3316] KDOC Outlet Temperature Sensor Low Error .....................................40-578
FAILURE CODE [CA3317] KDOC Outlet Temperature Sensor High Error ....................................40-580
FAILURE CODE [CA3318] KDOC Outlet Temperature Sensor In Range Error .............................40-581
FAILURE CODE [CA3319] KDPF Outlet Temperature Sensor High Error .....................................40-584
FAILURE CODE [CA3321] KDPF Outlet Temperature Sensor Low Error ......................................40-585
FAILURE CODE [CA3322] KDPF Outlet Temperature Sensor In Range Error ..............................40-587
FAILURE CODE [CA3419] MAF Sensor Supply Voltage High Error..............................................40-590
FAILURE CODE [CA3421] MAF Sensor Supply Voltage Low Error...............................................40-592
FAILURE CODE [CA3497] AdBlue/DEF Level Low Error 1 ...........................................................40-594
FAILURE CODE [CA3498] AdBlue/DEF Level Low Error 2 ...........................................................40-595
FAILURE CODE [CA3543] AdBlue/DEF Quality Error (SCR Catalyst Efficiency Low)...................40-596
FAILURE CODE [CA3545] SCR Outlet NOx Sensor Unstable Error .............................................40-603
FAILURE CODE [CA3547] AdBlue/DEF Level Low Error 4 ...........................................................40-605
FAILURE CODE [CA3558] AdBlue/DEF Pump Voltage High Error................................................40-606
FAILURE CODE [CA3559] AdBlue/DEF Pump Voltage Low Error ................................................40-608
FAILURE CODE [CA3562] AdBlue/DEF LineHeater Relay 1 Voltage High Error...........................40-610
FAILURE CODE [CA3563] AdBlue/DEF LineHeater Relay 1 Voltage Low Error ...........................40-612
FAILURE CODE [CA3567] AdBlue/DEF Injector Open Circuit Error or Short Circuit Error ............40-615
FAILURE CODE [CA3568] AdBlue/DEF Injector Malfunction ........................................................40-618
FAILURE CODE [CA3571] AdBlue/DEF Pump Pressure Sensor High Error .................................40-622
FAILURE CODE [CA3572] AdBlue/DEF Pump Pressure Sensor Low Error..................................40-624
FAILURE CODE [CA3574] AdBlue/DEF Pump Pressure Too Low Error .......................................40-626
FAILURE CODE [CA3575] AdBlue/DEF Pump Pressure Too High Error.......................................40-628
FAILURE CODE [CA3577] AdBlue/DEF FCV Voltage High Error..................................................40-630
FAILURE CODE [CA3578] AdBlue/DEF FCV Voltage Low Error ..................................................40-632
FAILURE CODE [CA3582] SCR Catalyst Efficiency Low Error 1...................................................40-634
FAILURE CODE [CA3583] SCR Outlet NOx Sensor Heater Warming up Error.............................40-640
FAILURE CODE [CA3596] AdBlue/DEF Pump Pressure Unstable Error.......................................40-642
FAILURE CODE [CA3649] Turbo Outlet NOx Sensor Heater Warming up Error ...........................40-644
FAILURE CODE [CA3681] SCR Outlet NOx Sensor Power Voltage Error ....................................40-646
FAILURE CODE [CA3682] Turbo Outlet NOx Sensor Power Voltage Error...................................40-651
FAILURE CODE [CA3713] AdBlue/DEF Line Heater 1 Voltage High Error....................................40-657
FAILURE CODE [CA3717] SCR Outlet NOx Sensor Voltage Mismatch Error ...............................40-660
FAILURE CODE [CA3718] Turbo Outlet NOx Sensor Voltage Mismatch Error..............................40-661
FAILURE CODE [CA3725] Turbo Outlet NOx Sensor Unstable Error............................................40-662
FAILURE CODE [CA3741] Rail Press Valve Trip Error..................................................................40-665
FAILURE CODE [CA3748] Turbo Outlet NOx Sensor Stuck In Range Error .................................40-666
FAILURE CODE [CA3751] SCR Catalyst Degradation Error.........................................................40-669
FAILURE CODE [CA3755] AdBlue/DEF Dosing Performance Degradation Error .........................40-671
FAILURE CODE [CA3866] AdBlue/DEF Low Concentration Error 2 .............................................40-673
FAILURE CODE [CA3867] AdBlue/DEF Low Concentration Error 1 .............................................40-676
FAILURE CODE [CA3868] AdBlue/DEF Tank Sensor Datalink Timeout Error...............................40-679
FAILURE CODE [CA3899] SCR NH3 Sensor Circuit Error............................................................40-683
FAILURE CODE [CA3911] SCR NH3 Sensor Datalink Timeout Error ...........................................40-685
FAILURE CODE [CA3912] SCR NH3 Sensor Heater Warming up Error .......................................40-689
FAILURE CODE [CA3932] SCR NH3 Sensor Heater Voltage High Error ......................................40-691
FAILURE CODE [CA3933] SCR NH3 Sensor Heater Voltage Low Error.......................................40-693
FAILURE CODE [CA3934] SCR NH3 Sensor Power Interrupt Error .............................................40-695
00 INDEX AND FOREWORD INDEX
WA380-8 00-9

FAILURE CODE [CA3935] SCR NH3 Sensor Trim Resistance Error ............................................40-698
FAILURE CODE [CA3936] SCR NH3 Sensor Internal Circuit Error...............................................40-700
FAILURE CODE [CA4151] KDOC and KDPF Temperature Sensor Datalink Timeout Error ..........40-702
FAILURE CODE [CA4152] SCR Temperature Sensor Datalink Timeout Error ..............................40-706
FAILURE CODE [CA4155] AdBlue/DEF Pump Heater Relay Voltage High Error ..........................40-710
FAILURE CODE [CA4156] AdBlue/DEF Pump Heater Relay Voltage Low Error...........................40-713
FAILURE CODE [CA4157] AdBlue/DEF FCV Malfunction ............................................................40-716
FAILURE CODE [CA4158] KDOC and KDPF Temperature Sensor Internal Circuit Error ..............40-718
FAILURE CODE [CA4159] SCR Temperature Sensor Internal Circuit Error ..................................40-719
FAILURE CODE [CA4161] KDOC and KDPF Temperature Sensor ECU Voltage High Error ........40-720
FAILURE CODE [CA4162] KDOC and KDPF Temperature Sensor ECU Voltage Low Error .........40-723
FAILURE CODE [CA4163] KDOC and KDPF Temperature Sensor ECU Over Temperature Error 40-726
FAILURE CODE [CA4164] SCR Temperature Sensor ECU Voltage High Error ............................40-728
FAILURE CODE [CA4165] SCR Temperature Sensor ECU Voltage Low Error .............................40-730
FAILURE CODE [CA4166] SCR Temperature Sensor ECU High Temperature Error ....................40-732
FAILURE CODE [CA4168] AdBlue/DEF Pump Heater ON Stuck Error.........................................40-734
FAILURE CODE [CA4169] AdBlue/DEF Pump Heater OFF Stuck Error .......................................40-737
FAILURE CODE [CA4171] AdBlue/DEF Pump Thawing Error ......................................................40-739
FAILURE CODE [CA4249] AdBlue/DEF Pump Temperature Sensor 1 In Range Error .................40-742
FAILURE CODE [CA4251] AdBlue/DEF Pump Temperature Sensor 2 In Range Error .................40-744
FAILURE CODE [CA4259] KDOC and KDPF Temperature Sensor Power Interrupt Error.............40-746
FAILURE CODE [CA4261] SCR Temperature Sensor Power Interrupt Error.................................40-749
FAILURE CODE [CA4277] AdBlue/DEF Quality Sensor Liquid Distinction Impossible Error .........40-752
FAILURE CODE [CA4281] SCR NH3 Sensor Stuck Response Error............................................40-755
FAILURE CODE [CA4459] AdBlue/DEF LineHeater Relay 2 Voltage High Error...........................40-758
FAILURE CODE [CA4461] AdBlue/DEF LineHeater Relay 2 Voltage Low Error ...........................40-761
FAILURE CODE [CA4658] AdBlue/DEF Flow Low Error...............................................................40-764
FAILURE CODE [CA4731] AdBlue/DEF Temperature Sensor Transmission Data Error................40-768
FAILURE CODE [CA4732] AdBlue/DEF Level Sensor Transmission Data Error ...........................40-769
FAILURE CODE [CA4739] AdBlue/DEF Level Sensor Internal Circuit Error .................................40-770
FAILURE CODE [CA4768] Fuel in AdBlue/DEF Tank Error...........................................................40-771
FAILURE CODE [CA4769] AdBlue/DEF Level Measurement Impossible......................................40-773
FAILURE CODE [CA4842] AdBlue/DEF High Concentration Error................................................40-776
FAILURE CODE [CA4952] System Operating Lamp Short Circuit (Engine Controller) ..................40-779
FAILURE CODE [CA5115] AdBlue/DEF Line Heater 1 Voltage Low Error.....................................40-781
FAILURE CODE [CA5179] Engine Room Temperature Sensor High Error....................................40-784
FAILURE CODE [CA5181] Engine Room Temperature Sensor Low Error ....................................40-786
FAILURE CODE [CA5383] Ash Accumulation High Error..............................................................40-788
FAILURE CODE [D150KA] Secondary S/T Motor Relay Output Open Circuit ...............................40-790
FAILURE CODE [D150KB] Secondary S/T Motor Relay Output Ground Fault ..............................40-792
FAILURE CODE [D150KY] Secondary S/T Motor Relay Output Hot Short Circuit.........................40-794
FAILURE CODE [D160KA] Backup Lamp Relay Output Open Circuit...........................................40-796
FAILURE CODE [D160KB] Backup Lamp Relay Output Ground Fault..........................................40-798
FAILURE CODE [D160KY] Backup Lamp Relay Output Hot Short Circuit.....................................40-800
FAILURE CODE [D191KA] Neutral Relay Output Open Circuit .....................................................40-802
FAILURE CODE [D191KB] Neutral Relay Output Ground Fault ....................................................40-805
FAILURE CODE [D191KY] Neutral Relay Output Hot Short Circuit...............................................40-808
FAILURE CODE [D192KA] ECSS Solenoid Open Circuit..............................................................40-810
FAILURE CODE [D192KB] ECSS Solenoid Ground Fault.............................................................40-812
FAILURE CODE [D192KY] ECSS Solenoid Hot Short Circuit .......................................................40-814
FAILURE CODE [D19JKZ] Personal Code Relay Open Circuit or Short Circuit.............................40-815
FAILURE CODE [D1E6KA] Parking Brake Relay Open Circuit .....................................................40-817
FAILURE CODE [D1E6KB] Parking Brake Relay Ground Fault ....................................................40-819
FAILURE CODE [D1E6KY] Parking Brake Relay Hot Short Circuit ...............................................40-821
FAILURE CODE [D5ZHKA] Key SW C Terminal Signal Open Circuit or Ground Fault ..................40-823
FAILURE CODE [D5ZHKB] Key SW C Terminal Signal Short Circuit ............................................40-825
FAILURE CODE [D5ZHKZ] Key SW C Terminal Signal Open Circuit or Short Circuit....................40-827
FAILURE CODE [D5ZHL6] Key SW C Terminal Signal Mismatch .................................................40-830
INDEX 00 INDEX AND FOREWORD
00-10 WA380-8

FAILURE CODE [D811MC] KOMTRAX Malfunction......................................................................40-832
FAILURE CODE [D862KA] GPS Antenna Open Circuit ................................................................40-833
FAILURE CODE [D8ALKA] System Operating Lamp Open Circuit (KOMTRAX)...........................40-834
FAILURE CODE [D8ALKB] System Operating Lamp Short Circuit (KOMTRAX) ...........................40-836
FAILURE CODE [D8AQK4] CAN 2 Uncontrolled Communication (KOMTRAX) ............................40-838
FAILURE CODE [D8AQKR] CAN 2 Defective Communication (KOMTRAX).................................40-839
FAILURE CODE [DAF0KT] Monitor Nonvolatile Memory Abnormality...........................................40-841
FAILURE CODE [DAF0MB] Monitor ROM Abnormality.................................................................40-842
FAILURE CODE [DAF0MC] Monitor Malfunction ..........................................................................40-843
FAILURE CODE [DAF3KK] Main Power Voltage Low Error (Monitor) ...........................................40-844
FAILURE CODE [DAF8KB] Camera Power Supply Short Circuit ..................................................40-846
FAILURE CODE [DAFDKB] 12V Power Output Hot Short Circuit or Ground Fault (Monitor) .........40-848
FAILURE CODE [DAFGMC] GPS Module Malfunction .................................................................40-850
FAILURE CODE [DAFLKA] System Operating Lamp Open Circuit (Monitor) ................................40-851
FAILURE CODE [DAFLKB] System Operating Lamp Short Circuit (Monitor) ................................40-853
FAILURE CODE [DAFQKR] CAN 2 Defective Communication (Monitor) ......................................40-855
FAILURE CODE [DAQ0KK] Main Power Voltage Low Error (T/M Controller) ................................40-856
FAILURE CODE [DAQ0KT] Read Only Memory Abnormality (T/M Controller) ..............................40-859
FAILURE CODE [DAQ0MC] T/M Controller Malfunction ...............................................................40-860
FAILURE CODE [DAQ1KA] Key SW ACC Signal Open Circuit (T/M Controller) ...........................40-861
FAILURE CODE [DAQ2KK] Solenoid Power Voltage Low Error (T/M Controller) ..........................40-863
FAILURE CODE [DAQ4KB] Self-holding Relay Output Ground Fault (T/M Controller) ..................40-866
FAILURE CODE [DAQ9KQ] Model Selection Signal Mismatch (T/M Controller) ...........................40-868
FAILURE CODE [DAQLKA] System Operating Lamp Open Circuit (T/M Controller) .....................40-869
FAILURE CODE [DAQLKB] System Operating Lamp Short Circuit (T/M Controller) .....................40-871
FAILURE CODE [DAQQKR] CAN2 Defective Communication (T/M Controller) ............................40-873
FAILURE CODE [DAQRKR] CAN1 Defective Communication (T/M Controller) ............................40-874
FAILURE CODE [DAQRMA] Option Selection Mismatch (T/M Controller).....................................40-875
FAILURE CODE [DAZ9KQ] Model Selection Signal Mismatch (A/C) ............................................40-876
FAILURE CODE [DAZQKR] CAN 2 Defective Communication (A/C ECU)....................................40-877
FAILURE CODE [DB2QKR] CAN 2 Defective Communication (Engine Controller) .......................40-878
FAILURE CODE [DB2RKR] CAN 1 Defective Communication (Engine Controller) .......................40-883
FAILURE CODE [DB90KK] Main Power Voltage Low Error (W/E Controller) ................................40-889
FAILURE CODE [DB90KT] Read Only Memory Abnormality (W/E Controller) ..............................40-892
FAILURE CODE [DB90MC] W/E Controller Malfunction ...............................................................40-893
FAILURE CODE [DB91KA] Key SW ACC Signal Open Circuit (W/E Controller) ...........................40-894
FAILURE CODE [DB92KK] Solenoid Power Voltage Low Error (W/E Controller) ..........................40-896
FAILURE CODE [DB95KX] Failure of 5V Power Source 1 ............................................................40-899
FAILURE CODE [DB96KX] 5V Sensor Power Supply 2 Voltage out of Range (W/E Controller)....40-902
FAILURE CODE [DB99KQ] Model Selection Signal Mismatch (W/E Controller)............................40-904
FAILURE CODE [DB9LKA] System Operating Lamp Open Circuit (W/E Controller) .....................40-905
FAILURE CODE [DB9LKB] System Operating Lamp Short Circuit (W/E Controller) .....................40-907
FAILURE CODE [DB9QKR] CAN 2 Defective Communication (W/E Controller) ...........................40-909
FAILURE CODE [DB9RKR] CAN 1 Defective Communication (W/E Controller)............................40-910
FAILURE CODE [DB9RMA] Option Selection Mismatch (W/E Controller).....................................40-911
FAILURE CODE [DBE5KX] 5V Sensor Power Supply Voltage out of Range (T/M Controller) .......40-912
FAILURE CODE [DBE6KX] 24V Sensor Power Supply Ground Fault (T/M Controller) .................40-914
FAILURE CODE [DD1ALD] Remote Positioner Set SW Ground Fault ..........................................40-916
FAILURE CODE [DDAAL6] Engine Shutdown Secondary SW Signal Open Circuit ......................40-918
FAILURE CODE [DDB6L4] Neutrizer Signal Mismatch .................................................................40-920
FAILURE CODE [DDD1LD] Bucket Positioner Set SW Ground Fault............................................40-923
FAILURE CODE [DDK3KA] Directional SW Signal Open Circuit (S/T Wheel Specification) ..........40-925
FAILURE CODE [DDK3KB] Directional SW Signal Short Circuit (S/T Wheel Specification) ..........40-928
FAILURE CODE [DDK6KA] Directional Lever Signal Open Circuit................................................40-931
FAILURE CODE [DDK6KB] Directional Lever Signal Short Circuit ................................................40-934
FAILURE CODE [DDKLKA] Failure of J/S ON/OFF Switch ...........................................................40-937
FAILURE CODE [DDKLKB] Hot Short of J/S ON/OFF Switch .......................................................40-940
FAILURE CODE [DDNRKY] W/E Lock SW Hot Short Circuit ........................................................40-942
00 INDEX AND FOREWORD INDEX
WA380-8 00-11

FAILURE CODE [DDT0L4] Shift Mode Select SW Signal Hot Short Circuit...................................40-944
FAILURE CODE [DDT4LD] T/M Cut off Set SW Ground Fault ......................................................40-946
FAILURE CODE [DDT9LD] T/M Cut off SW Ground Fault ............................................................40-948
FAILURE CODE [DDTALD] Ground Fault of Torque Converter Lock Up SW.................................40-950
FAILURE CODE [DDW9LD] Kickdown SW Ground Fault .............................................................40-952
FAILURE CODE [DDWLLD] T/M Shift Hold SW Ground Fault ......................................................40-954
FAILURE CODE [DF10KA] T/M Shift Lever Input Signal Open Circuit ..........................................40-956
FAILURE CODE [DF10KB] T/M Shift Lever Input Signal Short Circuit ..........................................40-959
FAILURE CODE [DGF1KA] T/M Oil Temperature Sensor Open Circuit.........................................40-962
FAILURE CODE [DGF1KB] T/M Oil Temperature Sensor Ground Fault........................................40-964
FAILURE CODE [DGH2KX] Hydraulic Oil Temperature Sensor Input Signal Out of Range...........40-966
FAILURE CODE [DGR2KB] Brake Oil Temperature Sensor Ground Fault (Rear) .........................40-968
FAILURE CODE [DGR2KZ] Brake Oil Temperature Sensor Open Circuit or Hot Short Circuit (Rear) ......
..................................................................................................................................................40-970
FAILURE CODE [DGT1KA] T/C Oil Temperature Sensor Open Circuit .........................................40-972
FAILURE CODE [DGT1KB] T/C Oil Temperature Sensor Ground Fault ........................................40-974
FAILURE CODE [DH21KA] Loader Pump Pressure Sensor Open Circuit or Ground Fault ...........40-976
FAILURE CODE [DH21KB] Loader Pump Pressure Sensor Short Circuit .....................................40-979
FAILURE CODE [DHA4KA] Air Cleaner Clogging Sensor Open Circuit ........................................40-981
FAILURE CODE [DHAAMA] KDPF Differential Pressure Sensor Frozen ......................................40-983
FAILURE CODE [DHACMA] KDPF Outlet Pressure Sensor Frozen .............................................40-985
FAILURE CODE [DHPCKX] Boom Cylinder Pressure Sensor Input Signal Out of Range (Bottom)..........
..................................................................................................................................................40-987
FAILURE CODE [DHPDKX] Boom Cylinder Pressure Sensor Input Signal Out of Range (Head) .40-990
FAILURE CODE [DHT1KX] T/M Cut Off Pressure Sensor Input Signal Out of Range...................40-993
FAILURE CODE [DHT5KX] T/C Oil Pressure Sensor Input Signal Out of Range (Inlet) ................40-996
FAILURE CODE [DHT7KX] T/C Oil Pressure Sensor Input Signal Out of Range (Outlet) .............40-999
FAILURE CODE [DHT8KA] S/T Oil Pressure Sensor Open Circuit or Ground Fault ...................40-1002
FAILURE CODE [DHT8KB] S/T Oil Pressure Sensor Short Circuit .............................................40-1005
FAILURE CODE [DHT8ZG] S/T Oil Pressure Low ......................................................................40-1007
FAILURE CODE [DHUDKA] Secondary S/T Pump Pressure Sensor Open Circuit or Ground Fault.........
................................................................................................................................................40-1008
FAILURE CODE [DHUDKB] Secondary S/T Pump Pressure Sensor Short Circuit......................40-1011
FAILURE CODE [DJF1KA] Fuel Level Sensor Open Circuit........................................................40-1013
FAILURE CODE [DK55KA] Directional Lever Potentiometer Open Circuit or Groud Fault ..........40-1015
FAILURE CODE [DK55KY] Directional Lever Potentiometer Hot Short Circuit............................40-1018
FAILURE CODE [DK55L5] Directional Lever SW and Potentiometer Input Signal Mispatch .......40-1020
FAILURE CODE [DK59KA] Boom Lever Potentiometer Open Circuit or Ground Fault (Main) .....40-1021
FAILURE CODE [DK59KY] Boom Lever Potentiometer Hot Short Circuit (Main) ........................40-1025
FAILURE CODE [DK59L8] Boom Lever Potentiometer Main or Sub Signal Abnormality.............40-1029
FAILURE CODE [DK5AKA] Boom Lever Potentiometer Open Circuit or Ground Fault (Sub) ......40-1034
FAILURE CODE [DK5AKY] Boom Lever Potentiometer Hot Short Circuit (Sub) .........................40-1038
FAILURE CODE [DK5BKA] Bucket Lever Potentiometer Open Circuit or Ground Fault (Main) ...40-1042
FAILURE CODE [DK5BKY] Bucket Lever Potentiometer Hot Short Circuit (Main) ......................40-1046
FAILURE CODE [DK5BL8] Bucket Lever Potentiometer Main or Sub Signal Abnormality...........40-1050
FAILURE CODE [DK5CKA] Bucket Lever Potentiometer Open Circuit or Ground Fault (Sub) ....40-1055
FAILURE CODE [DK5CKY] Bucket Lever Potentiometer Hot Short Circuit (Sub)........................40-1059
FAILURE CODE [DK5DKA] 3rd Lever Potentiometer Open Circuit or Ground Fault (Main) ........40-1063
FAILURE CODE [DK5DKY] 3rd Lever Potentiometer Hot Short Circuit (Main)............................40-1066
FAILURE CODE [DK5DL8] 3rd Lever Potentiometer Main or Sub Signal Abnormality ................40-1069
FAILURE CODE [DK5EKA] 3rd Lever Potentiometer Open Circuit or Ground Fault (Sub) ..........40-1073
FAILURE CODE [DK5EKY] 3rd Lever Potentiometer Hot Short Circuit (Sub) .............................40-1076
FAILURE CODE [DK5KKA] 4th Lever Potentiometer Open Circuit or Ground Fault (Main).........40-1079
FAILURE CODE [DK5KKY] 4th Lever Potentiometer Hot Short Circuit (Main) ............................40-1082
FAILURE CODE [DK5KL8] 4th Lever Potentiometer Main or Sub Signal Abnormality.................40-1085
FAILURE CODE [DK5LKA] 4th Lever Potentiometer Open Circuit or Ground Fault (Sub)...........40-1089
FAILURE CODE [DK5LKY] 4th Lever Potentiometer Hot Short Circuit (Sub) ..............................40-1092
FAILURE CODE [DKA0KA] Boom Angle Sensor Open Circuit or Ground Fault ..........................40-1095
INDEX 00 INDEX AND FOREWORD
00-12 WA380-8

FAILURE CODE [DKA0KY] Boom Angle Sensor Hot Short Circuit..............................................40-1098
FAILURE CODE [DKA0L0] Boom Angle Sensor Dislocation .......................................................40-1101
FAILURE CODE [DKA1KA] Bucket Angle Sensor Open Circuit or Ground Fault.........................40-1104
FAILURE CODE [DKA1KY] Bucket Angle Sensor Hot Short Circuit ............................................40-1107
FAILURE CODE [DLF1KA] T/M Input Speed Sensor Open Circuit.............................................. 40-1110
FAILURE CODE [DLF1LC] T/M Input Speed Sensor Hot Short Circuit or Ground Fault.............. 40-1112
FAILURE CODE [DLM3KA] Radiator Fan Speed Sensor Open Circuit or Hot Short Circuit ........ 40-1114
FAILURE CODE [DLM3LC] Radiator Fan Speed Sensor Signal Abnormality.............................. 40-1116
FAILURE CODE [DLT3KA] T/M Output Speed Sensor Open Circuit (Main) ................................ 40-1118
FAILURE CODE [DLT3LC] T/M Output Speed Sensor Signal Abnormality (Main) ......................40-1120
FAILURE CODE [DPQ1KR] LIN Defective Communication (Switch Panel).................................40-1122
FAILURE CODE [DPQ2KR] LIN Defective Communication (LED Unit) .......................................40-1125
FAILURE CODE [DPQ3KR] LIN Defective Communication (Rearview Monitor)..........................40-1128
FAILURE CODE [DSJ0KR] CAN 2 Defective Communication (Meter Unit) .................................40-1131
FAILURE CODE [DT20KB] T/M Cut Off Indicator Output Ground Fault.......................................40-1134
FAILURE CODE [DT22KB] W/E Lock SW Indicator Ground Fault...............................................40-1136
FAILURE CODE [DT23KB] J/S Effective Indicator Output Ground Fault .....................................40-1138
FAILURE CODE [DV00KB] Buzzer Output Ground Fault ............................................................40-1140
FAILURE CODE [DW4PKA] Boom RAISE EPC Solenoid Open Circuit ......................................40-1142
FAILURE CODE [DW4PKB] Boom RAISE EPC Solenoid Ground Fault......................................40-1144
FAILURE CODE [DW4PKY] Boom RAISE EPC Solenoid Hot Short Circuit ................................40-1146
FAILURE CODE [DW4QKA] Boom LOWER EPC Solenoid Open Circuit....................................40-1148
FAILURE CODE [DW4QKB] Boom LOWER EPC Solenoid Ground Fault...................................40-1150
FAILURE CODE [DW4QKY] Boom LOWER EPC Solenoid Hot Short Circuit .............................40-1152
FAILURE CODE [DW4RKA] Bucket TILT EPC Solenoid Open Circuit ........................................40-1154
FAILURE CODE [DW4RKB] Bucket TILT EPC Solenoid Ground Fault .......................................40-1156
FAILURE CODE [DW4RKY] Bucket TILT EPC Solenoid Hot Short Circuit ..................................40-1158
FAILURE CODE [DW4SKA] Bucket DUMP EPC Solenoid Open Circuit .....................................40-1160
FAILURE CODE [DW4SKB] Bucket DUMP EPC Solenoid Ground Fault ....................................40-1162
FAILURE CODE [DW4SKY] Bucket DUMP EPC Solenoid Hot Short Circuit...............................40-1164
FAILURE CODE [DW7BKA] Radiator Fan Reverse Solenoid Open Circuit .................................40-1166
FAILURE CODE [DW7BKB] Radiator Fan Reverse Solenoid Ground Fault ................................40-1168
FAILURE CODE [DW7BKY] Radiator Fan Reverse Solenoid Hot Short Circuit...........................40-1170
FAILURE CODE [DWM1KA] W/E Neutral Lock Solenoid Open Circuit .......................................40-1172
FAILURE CODE [DWM1KB] W/E Neutral Lock Solenoid Ground Fault ......................................40-1174
FAILURE CODE [DWM1KY] W/E Neutral Lock Solenoid Hot Short Circuit .................................40-1176
FAILURE CODE [DWN6KA] Boom Detent Solenoid Open Circuit...............................................40-1178
FAILURE CODE [DWN6KB] Boom Detent Solenoid Ground Fault..............................................40-1180
FAILURE CODE [DWN6KY] Boom Detent Solenoid Hot Short Circuit ........................................40-1182
FAILURE CODE [DWN8KA] Bucket Detent Solenoid Open Circuit .............................................40-1184
FAILURE CODE [DWN8KB] Bucket Detent Solenoid Ground Fault ............................................40-1186
FAILURE CODE [DWN8KY] Bucket Detent Solenoid Hot Short Circuit.......................................40-1188
FAILURE CODE [DX16KA] Radiator Fan Pump EPC Solenoid Open Circuit ..............................40-1190
FAILURE CODE [DX16KB] Radiator Fan Pump EPC Solenoid Ground Fault .............................40-1192
FAILURE CODE [DX16KY] Radiator Fan Pump EPC Solenoid Hot Short Circuit........................40-1194
FAILURE CODE [DXA1KA] Loader Pump EPC Solenoid Open Circuit .......................................40-1196
FAILURE CODE [DXA1KB] Loader Pump EPC Solenoid Ground Fault ......................................40-1198
FAILURE CODE [DXA1KY] Loader Pump EPC Solenoid Hot Short Circuit.................................40-1200
FAILURE CODE [DXANKA] S/T Pump EPC Solenoid Open Circuit ............................................40-1202
FAILURE CODE [DXANKB] S/T Pump EPC Solenoid Ground Fault ...........................................40-1204
FAILURE CODE [DXANKY] S/T Pump EPC Solenoid Hot Short Circuit......................................40-1206
FAILURE CODE [DXH1KA] ECMV Solenoid Open Circuit (Lockup Clutch) ................................40-1208
FAILURE CODE [DXH1KB] ECMV Solenoid Ground Fault (Lockup Clutch) ...............................40-1210
FAILURE CODE [DXH1KY] ECMV Solenoid Hot Short Circuit (Lockup Clutch) ..........................40-1212
FAILURE CODE [DXH4KA] ECMV Solenoid Open Circuit (1st Clutch) .......................................40-1214
FAILURE CODE [DXH4KB] ECMV Solenoid Ground Fault (1st Clutch) ......................................40-1216
FAILURE CODE [DXH4KY] ECMV Solenoid Hot Short Circuit (1st Clutch).................................40-1218
FAILURE CODE [DXH5KA] ECMV Solenoid Open Circuit (2nd Clutch)......................................40-1220
00 INDEX AND FOREWORD INDEX
WA380-8 00-13

FAILURE CODE [DXH5KB] ECMV Solenoid Ground Fault (2nd Clutch) .....................................40-1222
FAILURE CODE [DXH5KY] ECMV Solenoid Hot Short Circuit (2nd Clutch)................................40-1224
FAILURE CODE [DXH6KA] ECMV Solenoid Open Circuit (3rd Clutch).......................................40-1226
FAILURE CODE [DXH6KB] ECMV Solenoid Ground Fault (3rd Clutch)......................................40-1228
FAILURE CODE [DXH6KY] ECMV Solenoid Hot Short Circuit (3rd Clutch) ................................40-1230
FAILURE CODE [DXH7KA] ECMV Solenoid Open Circuit (Reverse Clutch)...............................40-1232
FAILURE CODE [DXH7KB] ECMV Solenoid Ground Fault (Reverse Clutch)..............................40-1234
FAILURE CODE [DXH7KY] ECMV Solenoid Hot Short Circuit (Reverse Clutch) ........................40-1236
FAILURE CODE [DXH8KA] ECMV Solenoid Open Circuit (Forward Clutch)...............................40-1238
FAILURE CODE [DXH8KB] ECMV Solenoid Ground Fault (Forward Clutch)..............................40-1240
FAILURE CODE [DXH8KY] ECMV Solenoid Hot Short Circuit (Forward Clutch).........................40-1242
FAILURE CODE [DXHHKA] ECMV Solenoid Open Circuit (4th Clutch) ......................................40-1244
FAILURE CODE [DXHHKB] ECMV Solenoid Ground Fault (4th Clutch) .....................................40-1246
FAILURE CODE [DXHHKY] ECMV Solenoid Hot Short Circuit (4th Clutch) ................................40-1248
FAILURE CODE [DXHJKA] 3rd Spool Extend EPC Solenoid Open Circuit .................................40-1250
FAILURE CODE [DXHJKB] 3rd Spool Extend EPC Solenoid Ground Fault ................................40-1252
FAILURE CODE [DXHJKY] 3rd Spool Extend EPC Solenoid Hot Short Circuit ...........................40-1254
FAILURE CODE [DXHKKA] 3rd Spool Retract EPC Solenoid Open Circuit ................................40-1256
FAILURE CODE [DXHKKB] 3rd Spool Retract EPC Solenoid Ground Fault ...............................40-1258
FAILURE CODE [DXHKKY] 3rd Spool Retract EPC Solenoid Hot Short Circuit ..........................40-1260
FAILURE CODE [DXJEKA] 4th Spool Extend EPC Solenoid Open Circuit..................................40-1262
FAILURE CODE [DXJEKB] 4th Spool Extend EPC Solenoid Ground Fault.................................40-1264
FAILURE CODE [DXJEKY] 4th Spool Extend EPC Solenoid Hot Short Circuit ...........................40-1266
FAILURE CODE [DXJFKA] 4th Spool Retract EPC Solenoid Open Circuit .................................40-1268
FAILURE CODE [DXJFKB] 4th Spool Retract EPC Solenoid Ground Fault ................................40-1270
FAILURE CODE [DXJFKY] 4th Spool Retract EPC Solenoid Hot Short Circuit ...........................40-1272
FAILURE CODE [DY30MA] Secondary S/T Release Trouble......................................................40-1274
FAILURE CODE [DY30MC] Secondary S/T Defective Activation ................................................40-1278
FAILURE CODE [DY30ME] Secondary S/T Long Time Activated ...............................................40-1283
FAILURE CODE [LA00L3] Fan Reverse Defective Control .........................................................40-1285
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) .........................................................40-1286
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) ..............................................40-1286
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK........................................................40-1293
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK ..................................................40-1296
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP.....40-1299
E-5 ALL OF LCD UNIT, LED UNIT, AND METER UNIT ON MACHINE MONITOR DISPLAY NOTHING
................................................................................................................................................40-1301
E-6 LCD UNIT ON MACHINE MONITOR DISPLAYS NOTHING ................................................40-1304
E-7 BACKLIGHT OF LCD UNIT ON MACHINE MONITOR IS ABNORMAL, (BACKLIGHT GOES OUT
OR FLICKERS) .......................................................................................................................40-1307
E-8 LCD ON MACHINE MONITOR DOES NOT DISPLAY PROPERLY ......................................40-1310
E-9 METER UNIT DISPLAY ON MACHINE MONITOR IS ABNORMAL .....................................40-1313
E-10 NIGHT LIGHTING LAMP OF METER UNIT ON MACHINE MONITOR IS ABNORMAL ....40-1316
E-11 LED UNIT LAMP ON MACHINE MONITOR IS ABNORMAL ..............................................40-1320
E-12 NIGHT LIGHTING LAMP OF SWITCH PANEL ON MACHINE MONITOR IS ABNORMAL OR
SWITCHES DOES NOT OPERATE PROPERLY ....................................................................40-1322
E-13 2 SWITCHES OPERATION OF SWITCH PANEL ON MACHINE MONITOR DOES NOT FUNC-
TION........................................................................................................................................40-1325
E-14 SWITCH PANEL BUZZER OF MACHINE MONITOR IS ABNORMAL ................................40-1328
E-15 SOME ITEMS OF GAUGES AND CAUTION LAMPS ON MACHINE MONITOR ARE NOT DIS-
PLAYED PROPERLY ..............................................................................................................40-1331
E-16 REAR VIEW MONITOR DOES NOT LIGHT UP OR BACKLIGHT FLICKERS....................40-1332
E-17 REAR VIEW MONITOR IMAGES ARE NOT DISPLAYED CLEARLY .................................40-1335
E-18 REAR VIEW MONITOR BRIGHTNESS CANNOT BE ADJUSTED.....................................40-1338
E-19 NIGHT LIGHTING LAMP OF REAR VIEW MONITOR IS ABNORMAL ..............................40-1342
E-20 AIR CLEANER CLOGGING INDICATOR LAMP DOES NOT LIGHT UP ............................40-1344
E-21 RADIATOR COOLANT LEVEL CAUTION LAMP DOES NOT LIGHT UP ...........................40-1346
INDEX 00 INDEX AND FOREWORD
00-14 WA380-8

E-22 PARKING BRAKE INDICATOR LAMP DOES NOT LIGHT WHEN THE PARKING BRAKE IS SET
TO ON (PARKING) POSITION ................................................................................................40-1348
E-23 WHEN FRONT BRAKE ACCUMULATOR OIL PRESSURE DROPS, THE BRAKE OIL PRES-
SURE CAUTION LAMP DOES NOT LIGHT UP ......................................................................40-1352
E-24 WHEN REAR BRAKE ACCUMULATOR OIL PRESSURE DROPS, THE BRAKE OIL PRESSURE
CAUTION LAMP DOES NOT LIGHT UP.................................................................................40-1353
E-25 FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL .....................................40-1354
E-26 TORQUE CONVERTER OIL TEMPERATURE GAUGE DOES NOT INCREASE, OR TORQUE
CONVERTER OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT UP........................40-1356
E-27 INDICATION OF HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT INCREASE, OR HY-
DRAULIC OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT ....................................40-1357
E-28 SEAT BELT CAUTION LAMP INDICATION IS ABNORMAL ...............................................40-1359
E-29 ALARM BUZZER DOES NOT SOUND ..............................................................................40-1360
E-30 ALARM BUZZER DOES NOT STOP SOUNDING..............................................................40-1362
E-31 KICKDOWN DOES NOT WORK WHEN KICKDOWN SWITCH IS TURNED ON ...............40-1363
E-32 HOLD SWITCH DOES NOT WORK WHEN IT IS PRESSED .............................................40-1365
E-33 BRAKE DOES NOT WORK WHEN PARKING BRAKE IS APPLIED OR BRAKE DRAGS WHILE
TRAVELING WHEN PARKING BRAKE IS RELEASED...........................................................40-1367
E-34 TRANSMISSION CUT-OFF MODE IS NOT SELECTED OR NOT RELEASED..................40-1371
E-35 TRANSMISSION CUT-OFF SETTING CANNOT BE RELEASED ......................................40-1373
E-36 DIRECTIONAL SELECTOR (FNR) SWITCH MODE IS NOT SELECTED OR NOT RELEASED.....
................................................................................................................................................40-1375
E-37 ENGINE MODE SELECTOR FUNCTION DOES NOT OPERATE NORMALLY WHEN ENGINE
POWER MODE SELECTOR SWITCH IS OPERATED............................................................40-1377
E-38 FLOW OF LOADER PUMP DOES NOT INCREASE FROM THE MINIMUM RATE............40-1379
E-39 ECSS FUNCTION CANNOT BE SELECTED OR CANNOT BE RELEASED .....................40-1380
E-40 HORN DOES NOT SOUND................................................................................................40-1382
E-41 HORN DOES NOT STOP SOUNDING...............................................................................40-1385
E-42 NONE OF HEADLAMP, CLEARANCE LAMP, AND TAIL LAMP LIGHTS............................40-1387
E-43 CLEARANCE LAMP AND TAIL LAMP DO NOT LIGHT UP OR GO OUT...........................40-1389
E-44 BOTH HIGH AND LOW BEAMS OF HEADLAMP DO NOT LIGHT UP OR GO OUT .........40-1393
E-45 LOW BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT ....................................40-1397
E-46 HIGH BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT ...................................40-1399
E-47 FRONT WORKING LAMP DOES NOT LIGHT UP OR GO OUT ........................................40-1401
E-48 REAR WORKING LAMP DOES NOT LIGHT UP OR GO OUT...........................................40-1406
E-49 ALL OF TURN SIGNAL LAMPS AND HAZARD LAMPS DO NOT LIGHT UP OR GO OUT40-1411
E-50 TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT .................................................40-1414
E-51 HAZARD LAMP DOES NOT LIGHT UP OR GO OUT ........................................................40-1417
E-52 BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED ...................................................40-1421
E-53 BACKUP LAMP DOES NOT LIGHT UP OR DOES NOT GO OUT.....................................40-1425
E-54 BACKUP BUZZER DOES NOT SOUND OR CONTINUES TO SOUND.............................40-1429
E-55 FRONT WIPER DOES NOT OPERATE .............................................................................40-1431
E-56 REAR WIPER DOES NOT OPERATE................................................................................40-1435
E-57 WIND WASHER DOES NOT OPERATE ............................................................................40-1438
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .................................................40-1441
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .....................40-1442
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...............................40-1442
FAILURE MODE AND CAUSE TABLE........................................................................................40-1443
H-1 MACHINE DOES NOT START .............................................................................................40-1456
H-2 LOCKUP IS NOT RELEASED..............................................................................................40-1459
H-3 TORQUE CONVERTER LOCKUP CLUTCH DOES NOT ENGAGE ....................................40-1460
H-4 TRAVEL SPEED IS SLOW, BUCKET THRUST FORCE IS WEAK, GRADABILITY IS LOW, OR
GEAR SPEED DOES NOT SHIFT ..........................................................................................40-1461
H-5 LARGE SHOCK IS MADE WHEN MACHINE MOVES OFF OR GEAR IS SHIFTED ...........40-1464
H-6 LARGE TIME LAG IS OBSERVED WHEN MACHINE STARTS AND GEAR IS SHIFTED ..40-1467
H-7 WHEN OPERATING WORK EQUIPMENT ENGINE SPEED DROPS LARGELY OR ENGINE
STOPS ....................................................................................................................................40-1470
00 INDEX AND FOREWORD INDEX
WA380-8 00-15

H-8 BOOM AND BUCKET CONTROL LEVERS DO NOT MOVE SMOOTHLY AND ARE HEAVY TO
MOVE (2-LEVER TYPE OR 3-LEVER TYPE) .........................................................................40-1471
H-9 BOOM AND BUCKET CONTROL LEVERS DO NOT MOVE SMOOTHLY AND ARE HEAVY TO
MOVE (MULTI-FUNCTION MONO-LEVER TYPE)..................................................................40-1472
H-10 LARGE SHOCKS ARE MADE WHEN WORK EQUIPMENT STARTS TO MOVE AND STOPS ......
................................................................................................................................................40-1473
H-11 WHEN CERTAIN WORK EQUIPMENT STALLS HYDRAULICALLY, OTHER WORK EQUIPMENT
MOVES ...................................................................................................................................40-1475
H-12 MACHINE DOES NOT TURN ............................................................................................40-1476
H-13 TURNING RESPONSE IS POOR.......................................................................................40-1479
H-14 MACHINE SWAYS OR LARGE SHOCKS ARE MADE WHILE MACHINE TURNS ............40-1482
H-15 TURNING RADIUS DIFFERS BETWEEN RIGHT AND LEFT TURNS...............................40-1485
H-16 STEERING WHEEL IS HEAVY ..........................................................................................40-1486
H-17 WHEEL BRAKES DO NOT WORK OR ARE WEAK...........................................................40-1488
H-18 WHEEL BRAKES ARE NOT RELEASED OR DRAG .........................................................40-1490
H-19 PARKING BRAKE DOES NOT WORK OR IT IS WEAK .....................................................40-1491
H-20 PARKING BRAKE IS NOT RELEASED OR DRAGS ..........................................................40-1492
H-21 OIL TEMPERATURE OF TORQUE CONVERTER IS HIGH ..............................................40-1493
H-22 BOOM MOVES UP AND DOWN DURING OPERATION....................................................40-1496
H-23 BOOM DOES NOT RISE ...................................................................................................40-1497
H-24 BOOM MOVES SLOW OR BOOM LACKS LIFTING FORCE.............................................40-1500
H-25 RISING BOOM SLOWS DOWN AT CERTAIN HEIGHT .....................................................40-1503
H-26 BUCKET DOES NOT STOP AT THE POSITION WHICH IS SET WITH REMOTE BUCKET POSI-
TIONER...................................................................................................................................40-1504
H-27 LIFT CYLINDERS DO NOT SERVE TO HOLD BUCKET ON GROUND ............................40-1505
H-28 HYDRAULIC DRIFT OF BOOM IS LARGE ........................................................................40-1507
H-29 HYDRAULIC DRIFT OF BUCKET IS LARGE.....................................................................40-1508
H-30 BUCKET DOES NOT TILT BACK.......................................................................................40-1509
H-31 BUCKET MOVES SLOW OR LACKS TILT-BACK FORCE.................................................40-1512
H-32 BUCKET DECELERATES DURING TILT-BACK OPERATION ...........................................40-1515
H-33 BUCKET CYLINDER DOES NOT HOLD BUCKET ON GROUND .....................................40-1516
H-34 E.C.S.S. (TRAVEL DAMPER) DOES NOT WORK AND MACHINE PITCHES AND BOUNCES .....
................................................................................................................................................40-1518
H-35 BUCKET TILTS BACK AND FORTH DURING CARRYING LOAD (WORK EQUIPMENT VALVE
IN HOLD) ................................................................................................................................40-1519
H-36 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) ............................40-1520
H-37 UNUSUAL NOISE IS HEARD FROM AROUND FAN .........................................................40-1522
TROUBLESHOOTING OF ENGINE (S-MODE) .................................................................................40-1523
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...............................40-1523
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION.......
................................................................................................................................................40-1524
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT .................................................40-1525
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) ........................................................................................................40-1526
S-4 ENGINE STARTABILITY IS POOR.......................................................................................40-1528
S-5 ENGINE DOES NOT PICK UP SMOOTHLY ........................................................................40-1530
S-6 ENGINE STOPS DURING OPERATION ..............................................................................40-1532
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE ........................................................................40-1534
S-8 ENGINE LACKS POWER.....................................................................................................40-1535
S-9 KDPF GETS CLOGGED IN A SHORT TIME........................................................................40-1537
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE ..................................................................40-1539
S-11 OIL BECOMES CONTAMINATED QUICKLY ......................................................................40-1540
S-12 FUEL CONSUMPTION IS EXCESSIVE .............................................................................40-1541
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) .......
................................................................................................................................................40-1542
S-14 OIL PRESSURE DROPS ...................................................................................................40-1543
S-15 FUEL MIXES INTO ENGINE OIL........................................................................................40-1545
S-16 WATER MIXES INTO ENGINE OIL (MILKY) ......................................................................40-1546
INDEX 00 INDEX AND FOREWORD
00-16 WA380-8

S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) ....................................40-1547
S-18 UNUSUAL NOISE IS HEARD.............................................................................................40-1548
S-19 VIBRATION IS EXCESSIVE ...............................................................................................40-1549
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT.................................................................40-1550
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY ................................................40-1551
S-22 ACTIVE REGENERATION TAKES TIME............................................................................40-1553
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION..............................40-1554
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE ...................................................................40-1555
S-25 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES).........................40-1557
60 MAINTENANCE STANDARD.................................................................................................................... 60-1
CONTENTS ............................................................................................................................................ 60-2
ENGINE AND COOLING SYSTEM......................................................................................................... 60-3
MAINTENANCE STANDARD OF ENGINE MOUNT ........................................................................ 60-3
MAINTENANCE STANDARD OF BRAKE AND COOLING FAN PUMP ........................................... 60-4
MAINTENANCE STANDARD OF COOLING FAN MOTOR.............................................................. 60-7
POWER TRAIN....................................................................................................................................... 60-9
MAINTENANCE STANDARD OF DRIVE SHAFT............................................................................. 60-9
MAINTENANCE STANDARD OF TORQUE CONVERTER............................................................ 60-10
MAINTENANCE STANDARD OF LOCKUP CLUTCH ECMV ......................................................... 60-12
MAINTENANCE STANDARD OF TRANSMISSION ....................................................................... 60-13
MAINTENANCE STANDARD OF TRANSMISSION CONTROL VALVE ......................................... 60-21
MAINTENANCE STANDARD OF FORWARD AND REVERSE CLUTCH ECMV AND GEAR SPEED
CLUTCH ECMV ......................................................................................................................... 60-22
MAINTENANCE STANDARD OF MAIN RELIEF VALVE AND TORQUE CONVERTER RELIEF VALVE .
................................................................................................................................................... 60-23
MAINTENANCE STANDARD OF FRONT AXLE............................................................................ 60-24
MAINTENANCE STANDARD OF REAR AXLE .............................................................................. 60-25
MAINTENANCE STANDARD OF FRONT CONVENTIONAL DIFFERENTIAL............................... 60-26
MAINTENANCE STANDARD OF REAR CONVENTIONAL DIFFERENTIAL ................................. 60-27
MAINTENANCE STANDARD OF FRONT LIMITED SLIP DIFFERENTIAL .................................... 60-28
MAINTENANCE STANDARD OF REAR LIMITED SLIP DIFFERENTIAL ...................................... 60-30
MAINTENANCE STANDARD OF FINAL DRIVE ............................................................................ 60-32
STEERING SYSTEM ............................................................................................................................ 60-34
MAINTENANCE STANDARD OF STEERING COLUMN................................................................ 60-34
MAINTENANCE STANDARD OF STEERING PUMP..................................................................... 60-35
MAINTENANCE STANDARD OF STEERING VALVE .................................................................... 60-39
MAINTENANCE STANDARD OF STEERING CYLINDER ............................................................. 60-41
MAINTENANCE STANDARD OF SECONDARY STEERING PUMP ............................................. 60-43
BRAKE SYSTEM .................................................................................................................................. 60-44
MAINTENANCE STANDARD OF CHARGE VALVE ....................................................................... 60-44
MAINTENANCE STANDARD OF BRAKE CIRCUIT ACCUMULATOR........................................... 60-46
MAINTENANCE STANDARD OF FRONT BRAKE......................................................................... 60-47
MAINTENANCE STANDARD OF REAR BRAKE ........................................................................... 60-48
MAINTENANCE STANDARD OF PARKING BRAKE ..................................................................... 60-49
MAINTENANCE STANDARD OF PARKING BRAKE SOLENOID VALVE ...................................... 60-50
UNDERCARRIAGE AND FRAME......................................................................................................... 60-51
MAINTENANCE STANDARD OF FRAME, AXLE MOUNT AND CENTER HINGE PIN.................. 60-51
HYDRAULIC SYSTEM.......................................................................................................................... 60-56
MAINTENANCE STANDARD OF HYDRAULIC TANK ................................................................... 60-56
MAINTENANCE STANDARD OF WORK EQUIPMENT PUMP...................................................... 60-57
MAINTENANCE STANDARD OF POWER TRAIN CHARGE PUMP AND POWER TRAIN LUBRICA-
TION PUMP ............................................................................................................................... 60-62
MAINTENANCE STANDARD OF CONTROL VALVE..................................................................... 60-63
MAINTENANCE STANDARD OF STABILIZER VALVE .................................................................. 60-74
MAINTENANCE STANDARD OF WORK EQUIPMENT LOCK SOLENOID VALVE ....................... 60-75
WORK EQUIPMENT............................................................................................................................. 60-76
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE................................................. 60-76
MAINTENANCE STANDARD OF BUCKET.................................................................................... 60-79
00 INDEX AND FOREWORD INDEX
WA380-8 00-17

MAINTENANCE STANDARD OF LIFT CYLINDER........................................................................ 60-80
MAINTENANCE STANDARD OF BUCKET CYLINDER................................................................. 60-81
80 APPENDIX................................................................................................................................................ 80-1
CONTENTS ............................................................................................................................................ 80-2
AIR CONDITIONER SYSTEM ................................................................................................................ 80-4
PRECAUTIONS FOR REFRIGERANT ............................................................................................ 80-4
AIR CONDITIONER COMPONENT ................................................................................................. 80-5
SPECIFICATIONS OF AIR CONDITIONER ..................................................................................... 80-7
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE ............................................... 80-8
OUTLINE OF REFRIGERATION CYCLE ......................................................................................... 80-9
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .....................................................................80-11
AIR CONDITIONER UNIT...............................................................................................................80-11
COMPONENT PARTS OF AIR CONDITIONER UNIT.................................................................... 80-13
AIR CONDITIONER CONTROLLER.............................................................................................. 80-16
COMPRESSOR ............................................................................................................................. 80-17
CONDENSER ................................................................................................................................ 80-18
RECEIVER DRIER......................................................................................................................... 80-19
SENSORS FOR AIR CONDITIONER SYSTEM............................................................................. 80-20
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER......
.......................................................................................................................................................... 80-21
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER ......... 80-23
AIR CONDITIONER SYSTEM DIAGRAM ............................................................................................. 80-26
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER .................................... 80-27
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS ..
.......................................................................................................................................................... 80-29
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION................................................ 80-35
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE
OF THE MACHINE MONITOR .......................................................................................................... 80-36
CHECK TEMPERATURE CONTROL FUNCTION ................................................................................ 80-37
METHOD FOR CHECKING TEMPERATURE CONTROL FUNCTION .......................................... 80-37
TEST VENT (MODE) CHANGEOVER .................................................................................................. 80-39
METHOD FOR TESTING VENT (MODE) CHANGEOVER ............................................................ 80-39
TESTING FRESH/RECIRC AIR CHANGEOVER.................................................................................. 80-41
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER .................................................. 80-41
TEST EVAPORATOR TEMPERATURE SENSOR ................................................................................ 80-43
TEST RELAYS...................................................................................................................................... 80-45
METHOD FOR TESTING RELAYS ................................................................................................ 80-45
AIR CONDITIONER TROUBLESHOOTING CHART 1 ......................................................................... 80-47
AIR CONDITIONER TROUBLESHOOTING CHART 2 ......................................................................... 80-48
FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit............................. 80-51
FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit ............................. 80-53
FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit ........................................ 80-55
FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit ........................................ 80-57
FAILURE CODE [879CKA] Ventilating Sensor Open Circuit.................................................................. 80-59
FAILURE CODE [879CKB] Ventilating Sensor Short Circuit.................................................................. 80-61
FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit............................................. 80-63
FAILURE CODE [879EMC] Ventilation Damper Malfunction ................................................................. 80-65
FAILURE CODE [879FMC] Air Mix Damper Malfunction....................................................................... 80-68
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE).
.......................................................................................................................................................... 80-71
A-2 TROUBLESHOOTING OF COMPRESSOR SYSTEM (AIR IS NOT COOLED).............................. 80-74
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS
ABNORMAL) ..................................................................................................................................... 80-77
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER............................................... 80-81
TROUBLESHOOTING USING GAUGE PRESSURE............................................................................ 80-83
CONNECTION OF SERVICE TOOL ..................................................................................................... 80-86
METHOD FOR CONNECTING SERVICE TOOL ........................................................................... 80-87
INDEX 00 INDEX AND FOREWORD
00-18 WA380-8