Dodge Ram 2004 User manual

TABLE OF CONTENTS
1.0 INTRODUCTION .........................................................1
1.1 SYSTEM COVERAGE ...............................................1
1.2 SIX-STEP TROUBLESHOOTING PROCEDURE ..........................1
2.0 IDENTIFICATION OF SYSTEM .............................................1
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION ......................1
3.1 AIRBAG SYSTEM ...................................................2
3.1.1 DRIVER AIRBAG............................................2
3.1.2 CLOCKSPRING.............................................3
3.1.3 PASSENGER AIRBAG .......................................3
3.1.4 PASSENGER AIRBAG ON-OFF SWITCH .......................3
3.1.5 SEAT BELT TENSIONER ....................................4
3.1.6 SIDE IMPACT SENSORS.....................................4
3.1.7 CURTAIN AIRBAGS .........................................4
3.1.8 SPECIAL TOOLS............................................4
3.1.9 AIRBAG DIAGNOSTIC TROUBLE CODES.......................5
3.1.9.1 ACTIVE CODES ............................................5
3.1.9.2 STORED CODES ...........................................5
3.2 AUDIO SYSTEM ....................................................5
3.2.1 REMOTE RADIO CONTROLS .................................6
3.2.2 AMPLIFIER (PREMIUM SYSTEM)..............................6
3.2.3 NAVIGATION RADIO.........................................6
3.3 COMMUNICATION ..................................................6
3.4 COMPASS MINI-TRIP COMPUTER (CMTC) .............................8
3.4.1 VEHICLE INFORMATION DISPLAY.............................9
3.5 DOOR AJAR SYSTEM ..............................................11
3.6 ELECTRICALLY HEATED SYSTEMS ..................................11
3.7 EXTERIOR LIGHTING SYSTEM ......................................11
3.8 FRONT CONTROL MODULE.........................................11
3.8.1 CONTROLLED POWER FEEDS ..............................12
3.8.2 RELAY CONTROLS ........................................12
3.8.3 ELECTRICAL INPUTS ......................................13
3.9 HEATING & A/C SYSTEM ...........................................13
3.9.1 SYSTEM AVAILABILITY .....................................13
3.9.2 SYSTEM CONTROLS.......................................13
3.9.3 SYSTEM REVISIONS.......................................14
3.9.4 SYSTEM DIAGNOSTICS ....................................14
3.10 INSTRUMENT CLUSTER............................................15
3.10.1 DIAGNOSTIC SELF TEST ...................................16
3.11 INTERIOR LIGHTING ...............................................16
3.12 POWER DOOR LOCKS/REMOTE KEYLESS ENTRY .....................16
3.12.1 AUTOMATIC DOOR LOCKS .................................16
3.12.2 CENTRAL LOCKING/UNLOCKING ............................16
3.12.3 DOOR LOCK INHIBIT.......................................16
3.12.4 ENHANCED ACCIDENT RESPONSE ..........................16
3.13 REMOTE KEYLESS ENTRY .........................................16
3.14 TELECOMMUNICATIONS ...........................................17
3.14.1 HANDS FREE PHONE ......................................17
3.15 VEHICLE THEFT SECURITY SYSTEM.................................17
3.16 WINDSHIELD WIPERS/WASHERS ....................................17
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TABLE OF CONTENTS - Continued
3.17 USING THE DRBIIIT................................................18
3.18 DRBIIITERROR MESSAGES AND BLANK SCREEN .....................18
3.18.1 DRBIIITDOES NOT POWER UP..............................18
3.18.2 DISPLAY IS NOT VISIBLE ...................................18
4.0 DISCLAIMERS, SAFETY, WARNINGS ......................................18
4.1 DISCLAIMERS.....................................................18
4.2 SAFETY..........................................................18
4.2.1 TECHNICIAN SAFETY INFORMATION.........................18
4.2.2 VEHICLE PREPARATION FOR TESTING.......................19
4.2.3 SERVICING SUB-ASSEMBLIES ..............................19
4.2.4 DRBIIITSAFETY INFORMATION .............................19
4.3 WARNINGS .......................................................19
4.3.1 VEHICLE DAMAGE WARNINGS ..............................19
4.3.2 ROAD TESTING A COMPLAINT VEHICLE......................19
5.0 REQUIRED TOOLS AND EQUIPMENT .....................................20
6.0 GLOSSARY OF TERMS..................................................20
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ...........................21
AIRBAG
ACCELEROMETER 1....................................................22
ACCELEROMETER 2....................................................22
DEPLOYMENT DATA RECORD FULL.......................................22
INTERNAL 1 ...........................................................22
INTERNAL 2 ...........................................................22
OUTPUT DRIVER 1 .....................................................22
STORED ENERGY FIRING 1..............................................22
INTERNAL MODULE TEST ...............................................22
AIRBAG WARNING INDICATOR OPEN .....................................24
AIRBAG WARNING INDICATOR SHORT ....................................24
AIRBAG WARNING INDICATOR TEST......................................24
CALIBRATION MISMATCH................................................27
CLUSTER MESSAGE MISMATCH .........................................30
DRIVER SEAT BELT TENSIONER CIRCUIT OPEN............................32
DRIVER SEAT BELT TENSIONER CIRCUIT SHORT ..........................35
DRIVER SEAT BELT TENSIONER SHORT TO BATTERY.......................38
DRIVER SEAT BELT TENSIONER SHORT TO GROUND.......................41
DRIVER SQUIB 1 CIRCUIT OPEN .........................................44
DRIVER SQUIB 1 CIRCUIT SHORT ........................................47
DRIVER SQUIB 1 SHORT TO BATTERY ....................................50
DRIVER SQUIB 1 SHORT TO GROUND ....................................53
DRIVER SQUIB 2 CIRCUIT OPEN .........................................56
DRIVER SQUIB 2 CIRCUIT SHORT ........................................59
DRIVER SQUIB 2 SHORT TO BATTERY ....................................62
DRIVER SQUIB 2 SHORT TO GROUND ....................................65
LEFT CURTAIN SQUIB 1 CIRCUIT OPEN ...................................68
LEFT CURTAIN SQUIB 1 CIRCUIT SHORT ..................................71
LEFT CURTAIN SQUIB 1 SHORT TO BATTERY ..............................74
LEFT CURTAIN SQUIB 1 SHORT TO GROUND ..............................77
LEFT SIDE IMPACT SENSOR 1 INTERNAL 1 ................................80
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TABLE OF CONTENTS - Continued
LOSS OF IGNITION RUN - START .........................................82
LOSS OF IGNITION RUN ONLY ...........................................86
MISSING CURRENT VIN .................................................90
MODULE NOT CONFIGURED FOR PAB OFF SWITCH ........................93
NO CLUSTER MESSAGE ................................................96
NO LEFT SIDE IMPACT SENSOR 1 COMMUNICATION........................98
NO PCI LOOPBACK....................................................102
NO PCI TRANSMISSION ................................................102
NO RIGHT SIDE IMPACT SENSOR 1 COMMUNICATION .....................107
OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH .........111
PASSENGER AIRBAG ON-OFF SWITCH OPEN .............................113
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO BATTERY ................116
PASSENGER AIRBAG ON-OFF SWITCH SHORT TO GROUND ................119
PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY................121
PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND ................124
PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN ......................128
PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT .....................131
PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY .................134
PASSENGER SEAT BELT TENSIONER SHORT TO GROUND .................137
PASSENGER SQUIB 1 CIRCUIT OPEN ....................................140
PASSENGER SQUIB 1 CIRCUIT SHORT...................................143
PASSENGER SQUIB 1 SHORT TO BATTERY...............................146
PASSENGER SQUIB 1 SHORT TO GROUND...............................149
PASSENGER SQUIB 2 CIRCUIT OPEN ....................................152
PASSENGER SQUIB 2 CIRCUIT SHORT...................................155
PASSENGER SQUIB 2 SHORT TO BATTERY...............................158
PASSENGER SQUIB 2 SHORT TO GROUND...............................161
RIGHT CURTAIN SQUIB 1 CIRCUIT OPEN .................................164
RIGHT CURTAIN SQUIB 1 CIRCUIT SHORT................................167
RIGHT CURTAIN SQUIB 1 SHORT TO BATTERY............................170
RIGHT CURTAIN SQUIB 1 SHORT TO GROUND ............................173
RIGHT SIDE IMPACT SENSOR 1 INTERNAL 1..............................176
VEHICLE BODY STYLE MISMATCH.......................................178
*AIRBAG INDICATOR ON WITHOUT ACTIVE TROUBLE CODES...............181
AUDIO
ALL CHANNELS SHORT TOGETHER OR TO GROUND ......................182
ALL INPUTS NO ACTIVITY ..............................................183
ALL OUTPUTS SHORT - PREMIUM AUDIO SYSTEM ........................185
ALL OUTPUTS SHORT- BASE AUDIO SYSTEM .............................187
CASSETTE PLAYER INOP ..............................................189
CD MECHANICAL FAILURE .............................................189
NO PCI TRANSMISSION ................................................189
*AM/FM SWITCH INOPERATIVE..........................................189
*ANY STATION PRESET SWITCH INOPERATIVE............................189
*BALANCE INOPERATIVE ...............................................189
*CD EJECT SWITCH INOPERATIVE.......................................189
*EQUALIZER INOPERATIVE .............................................189
*FADER INOPERATIVE .................................................189
*FF/RW SWITCH INOPERATIVE..........................................189
*HOUR/MINUTE SWITCHES INOPERATIVE ................................189
*PAUSE/PLAY SWITCH INOPERATIVE ....................................189
*PWR SWITCH INOPERATIVE ...........................................189
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TABLE OF CONTENTS - Continued
*SCAN SWITCH INOPERATIVE ..........................................189
*SEEK SWITCH INOPERATIVE...........................................189
*SET SWITCH INOPERATIVE ............................................189
*TAPE EJECT SWITCH INOPERATIVE.....................................189
*TIME SWITCH INOPERATIVE ...........................................189
*TUNE SWITCH INOPERATIVE...........................................189
CD PLAY FAILURE .....................................................191
CD READ FAILURE ....................................................192
CD TEMPERATURE HIGH...............................................193
DOOR AND/OR REAR CHANNELS SHORT TO GROUND.....................194
FRONT DOOR CHANNELS SHORT TOGETHER OR TO GROUND .............197
FRONT I/P CHANNELS SHORTED TOGETHER OR TO GROUND..............199
GPS ANTENNA NOT CONNECTED .......................................202
LEFT AND/OR RIGHT FRONT I/P AND DOOR CHANNEL SHORT TO GROUND . .203
LEFT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS...........206
LEFT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS .........207
LEFT FRONT DOOR CHANNEL SHORT ACROSS ...........................208
LEFT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORTED ACROSS . . . .209
LEFT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS..............210
LEFT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS .....211
LEFT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS.............212
LEFT FRONT I/P CHANNEL SHORT ACROSS ..............................213
LEFT FRONT INPUT NO ACTIVITY .......................................214
LEFT REAR CHANNEL SHORT ACROSS ..................................216
LEFT REAR INPUT NO ACTIVITY.........................................217
LOW VOLTAGE LEVEL .................................................219
NO ANTENNA CONNECTION ............................................220
PCI FAILURE..........................................................221
POWER AMP SHUTDOWN - BASE AUDIO SYSTEM .........................222
POWER AMP SHUTDOWN - PREMIUM AUDIO SYSTEM .....................224
RADIO AND NAV GPS ANTENNA NOT CONNECTED ........................226
REAR SPEAKERS SHORT TOGETHER OR TO GROUND ....................227
REMOTE RADIO SWITCH CIRCUIT HIGH..................................229
REMOTE RADIO SWITCH CIRCUIT STUCK ................................232
RIGHT FRONT DOOR AND LEFT REAR CHANNELS SHORT ACROSS .........235
RIGHT FRONT DOOR AND RIGHT REAR CHANNELS SHORT ACROSS ........236
RIGHT FRONT DOOR CHANNEL SHORT ACROSS..........................237
RIGHT FRONT I/P AND LEFT FRONT DOOR CHANNELS SHORT ACROSS .....238
RIGHT FRONT I/P AND LEFT REAR CHANNELS SHORT ACROSS.............239
RIGHT FRONT I/P AND RIGHT FRONT DOOR CHANNELS SHORT ACROSS . . . .240
RIGHT FRONT I/P AND RIGHT REAR CHANNELS SHORT ACROSS ...........241
RIGHT FRONT I/P CHANNEL SHORT ACROSS .............................242
RIGHT FRONT INPUT NO ACTIVITY ......................................243
RIGHT I/P SPEAKER AND BOTH REAR CHANNELS SHORT ACROSS..........245
RIGHT REAR CHANNEL SHORT ACROSS .................................246
RIGHT REAR INPUT NO ACTIVITY .......................................247
SOFTWARE CHECKSUM FAILURE .......................................249
*AMPLIFIER PRETEST .................................................250
CHIME
*CHIME INOPERATIVE..................................................251
*CHIME SOUNDS WITH DRIVER DOOR OPEN KEY REMOVED ...............252
*KEY IN IGNITION AND DRIVER’S DOOR OPEN CHIME INOPERATIVE.........253
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TABLE OF CONTENTS - Continued
*VEHICLE SPEED WARNING CHIME PROBLEM ............................255
COMMUNICATION
FCM - BUS SHORTED TO BATTERY......................................256
FCM - BUS SHORTED TO GROUND ......................................256
FCM - EEPROM CHECKSUM FAILURE....................................257
FCM - INTERNAL BOOTLOADER CHECKSUM FAILURE .....................257
FCM - INTERNAL FLASH MEMORY CHECKSUM FAILURE ...................257
FCM - PCI BUS INTERNAL - LOOPBACK FAILURE ..........................257
FCM - MIC MESSAGES NOT RECEIVED ..................................258
FCM - PCM MESSAGES NOT RECEIVED..................................259
FCM - VIN NOT LEARNED CORRECTLY...................................261
*NO RESPONSE FROM AIRBAG CONTROL MODULE .......................262
*NO RESPONSE FROM AMPLIFIER ......................................264
*NO RESPONSE FROM COMPASS MINI-TRIP COMPUTER...................266
*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE ...................268
*NO RESPONSE FROM ECM (PCI BUS) - DIESEL ONLY .....................270
*NO RESPONSE FROM ECM (SCI ONLY) - DIESEL ONLY....................272
*NO RESPONSE FROM FRONT CONTROL MODULE........................274
*NO RESPONSE FROM HANDS FREE MODULE............................276
*NO RESPONSE FROM HVAC ...........................................278
*NO RESPONSE FROM INSTRUMENT CLUSTER...........................280
*NO RESPONSE FROM PCM (PCI BUS) - JTEC ............................282
*NO RESPONSE FROM PCM (PCI BUS) - NGC.............................283
*NO RESPONSE FROM PCM (PCM SCI ONLY) - NGC .......................284
*NO RESPONSE FROM PCM (SCI ONLY) - JTEC ...........................287
*NO RESPONSE FROM RADIO ..........................................290
*NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE ...............292
*NO RESPONSE FROM TRANSFER CASE CONTROL MODULE...............294
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE ................296
*PCI BUS COMMUNICATION FAILURE ....................................299
COMPASS/MINI-TRIP COMPUTER
BUS MESSAGES MISSING ..............................................302
CMTC INTERNAL FAILURE..............................................303
DEMAGNETIZE COMPASS AS PER SERVICE MANUAL......................304
FCM - AMBIENT TEMP CONFIGURATION ERROR ..........................305
FCM - AMBIENT TEMP SENSOR INPUT LOW ..............................306
FCM - AMBIENT TEMP SENSOR INPUT OPEN .............................308
SET COMPASS VARIANCE AS PER SERVICE INFORMATION.................310
*AVERAGE FUEL ECONOMY INACCURATE OR WRONG.....................311
*DISTANCE TO EMPTY INACCURATE OR WRONG..........................311
*ELAPSED IGNITION ON TIME INACCURATE OR WRONG ...................311
*TRIP ODOMETER INACCURATE OR WRONG .............................311
*CMTC OR EVIC INOPERATIVE ..........................................312
*COMPASS TEST FAILURE..............................................313
*TEMPERATURE DISPLAY INACCURATE OR INOPERATIVE..................314
DOOR AJAR
*DRIVER DOOR AJAR CIRCUIT OPEN ....................................315
*DRIVER DOOR AJAR CIRCUIT SHORTED TO GROUND.....................316
*LEFT REAR DOOR AJAR CIRCUIT OPEN .................................317
*LEFT REAR DOOR AJAR CIRCUIT SHORT TO GROUND ....................318
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TABLE OF CONTENTS - Continued
*PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND ................319
*PASSENGER DOOR AJAR CKT OPEN....................................320
*RIGHT REAR DOOR AJAR CIRCUIT OPEN................................321
*RIGHT REAR DOOR AJAR CIRCUIT SHORT TO GROUND...................322
ELECTRICALLY HEATED SYSTEMS
DEFOG RELAY CONTROL CKT SHORTED TO BATT ........................323
EXTERIOR LIGHTING
FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT HIGH ....................325
FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT LOW.....................326
FCM-FRONT FOG LAMP RELAY OUTPUT CIRCUIT OPEN....................327
FCM-FRONT LEFT TURN OUTPUT CIRCUIT LOW ..........................328
FCM-FRONT LEFT TURN OUTPUT CIRCUIT OPEN .........................329
FCM-FRONT RIGHT TURN OUTPUT CIRCUIT LOW .........................330
FCM-FRONT RIGHT TURN OUTPUT CIRCUIT OPEN ........................331
FCM-LEFT HIGHBEAM OUTPUT CIRCUIT LOW.............................332
FCM-LEFT HIGHBEAM OUTPUT CIRCUIT OPEN............................333
FCM-LEFT LOWBEAM OUTPUT CIRCUIT LOW .............................334
FCM-LEFT LOWBEAM OUTPUT CIRCUIT OPEN ............................335
FCM-LEFT STOP LAMP OUTPUT CIRCUIT LOW............................336
FCM-LEFT STOP LAMP OUTPUT CIRCUIT OPEN...........................337
FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT HIGH ..........................338
FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT LOW...........................339
FCM-LEFT TRAIL RELAY OUTPUT CIRCUIT OPEN..........................340
FCM-PARK LAMP RELAY OUTPUT CIRCUIT HIGH ..........................341
FCM-PARK LAMP RELAY OUTPUT CIRCUIT LOW...........................342
FCM-PARK LAMP RELAY OUTPUT CIRCUIT OPEN..........................343
FCM-REAR LEFT TURN OUTPUT CIRCUIT LOW............................344
FCM-REAR LEFT TURN OUTPUT CIRCUIT OPEN...........................345
FCM-REAR RIGHT TURN OUTPUT CIRCUIT LOW ..........................346
FCM-REAR RIGHT TURN OUTPUT CIRCUIT OPEN .........................347
FCM-RIGHT HIGHBEAM OUTPUT CIRCUIT LOW ...........................348
FCM-RIGHT HIGHBEAM OUTPUT CIRCUIT OPEN ..........................349
FCM-RIGHT LOWBEAM OUTPUT CIRCUIT LOW............................350
FCM-RIGHT LOWBEAM OUTPUT CIRCUIT OPEN...........................351
FCM-RIGHT STOP LAMP OUTPUT CIRCUIT LOW...........................352
FCM-RIGHT STOP LAMP OUTPUT CIRCUIT OPEN..........................353
FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT HIGH .........................354
FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT LOW..........................355
FCM-RIGHT TRAIL RELAY OUTPUT CIRCUIT OPEN.........................356
MIC-HEADLAMP SWITCH INPUT CIRCUIT OPEN ...........................357
MIC-HEADLAMP SWITCH INPUT CIRCUIT SHORTED .......................359
MIC-TURN HAZARD SWITCH INPUT CIRCUIT OPEN ........................360
MIC-TURN HAZARD SWITCH INPUT CIRCUIT SHORT.......................361
HEATING & A/C
A/C SWITCH FAULT (ACTIVE) ...........................................362
CHECKSUM FAILURE (ACTIVE)..........................................362
DEFOG SWITCH FAULT (ACTIVE) ........................................362
RECIRC SWITCH FAULT (ACTIVE) .......................................362
A/C SWITCH FAULT (STORED) ..........................................363
BACKLIGHT DIMMING RX FAILURE (STORED) .............................363
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TABLE OF CONTENTS - Continued
BLEND OVERCURRENT (STORED).......................................363
CHECKSUM FAILURE (STORED).........................................363
DEFOG SWITCH FAULT (STORED).......................................363
ENGINE GAUGE RX FAILURE (STORED)..................................363
EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (STORED)...........363
EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (STORED).......363
LOOPBACK TEST FAILURE (STORED) ....................................363
MODE 1 OVERCURRENT (STORED)......................................363
MODE 2 OVERCURRENT (STORED)......................................363
PCM COMMUNICATION FAILURE (STORED)...............................363
RECIRC OVERCURRENT (STORED)......................................363
RECIRC SWITCH FAULT (STORED) ......................................363
REFRIGERANT PRESS RX FAILURE (STORED) ............................363
TX FAILURE (STORED) .................................................363
VIN RX FAILURE (STORED) .............................................363
ZONE OVERCURRENT (STORED)........................................363
ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE ....................367
BLEND CIRCUIT SHORTED TO GROUND .................................367
BLEND CIRCUIT SHORTED TO IGN OR BATT..............................367
COMMON DRIVER SHORTED TO GROUND ...............................367
COMMON DRIVER SHORTED TO IGN OR BATT............................367
MODE 1 CIRCUIT SHORTED TO GROUND ................................367
MODE 1 CIRCUIT SHORTED TO IGN OR BATT.............................367
MODE 2 CIRCUIT SHORTED TO GROUND ................................367
MODE 2 CIRCUIT SHORTED TO IGN OR BATT.............................367
RECIRC CIRCUIT SHORTED TO GROUND.................................367
RECIRC CIRCUIT SHORTED TO IGN OR BATT .............................367
SHORT TOO COMPLEX ................................................367
ZONE CIRCUIT SHORTED TO GROUND ..................................367
ZONE CIRCUIT SHORTED TO IGN OR BATT...............................367
BACKLIGHT DIMMING RX FAILURE (ACTIVE) ..............................374
BLEND CALIBRATION FAULT ............................................376
MODE 1 CALIBRATION FAULT ...........................................376
MODE 2 CALIBRATION FAULT ...........................................376
RECIRCULATION CALIBRATION FAULT ...................................376
ZONE CALIBRATION FAULT .............................................376
BLEND OVERCURRENT (ACTIVE)........................................379
MODE 1 OVERCURRENT (ACTIVE).......................................379
MODE 2 OVERCURRENT (ACTIVE).......................................379
RECIRC OVERCURRENT (ACTIVE).......................................379
ZONE OVERCURRENT (ACTIVE).........................................379
BLOWER NOT ON HIGH ................................................381
COOLDOWN TEST SENSOR FAILURE ....................................382
COOLDOWN TIME EXCESSIVE FAULT....................................382
COOLDOWN TEST TOO COLD TO START .................................384
DEFOG RELAY CONTROL CKT SHORTED TO BATT ........................387
ENGINE GAUGE RX FAILURE (ACTIVE)...................................388
PCM COMMUNICATION FAILURE (ACTIVE)................................388
REFRIGERANT PRESSURE RX FAILURE (ACTIVE) .........................388
VIN RX FAILURE (ACTIVE) ..............................................388
EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN (ACTIVE)............390
EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (ACTIVE)........392
LOOPBACK TEST FAILURE (ACTIVE) .....................................394
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TABLE OF CONTENTS - Continued
TX FAILURE (ACTIVE) ..................................................395
*A/C - HEATER CONTROL ILLUMINATION INOPERATIVE ....................397
*A/C STATUS INDICATOR FLASHING .....................................399
*EBL STATUS INDICATOR FLASHING .....................................399
*A/C STATUS INDICATOR WILL NOT ILLUMINATE -- A/C - HEATER CONTROL
WITHOUT EBL SW.....................................................401
*BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- DUAL-ZONE........402
*BLEND/MODE/RECIRC DOOR OPERATION IMPROPER -- SINGLE-ZONE ......405
*BLOWER MOTOR INOPERATIVE ........................................408
*BLOWER MOTOR SPEEDS INCORRECT .................................411
*HVAC SYSTEM TEST ..................................................413
IGNITION, POWER, ACCESSORY
BATTERY 1 VOLTAGE OPEN ............................................415
BATTERY 2 VOLTAGE OPEN ............................................416
BATTERY VOLTAGE OPEN ..............................................417
HORN RELAY CONTROL CIRCUIT HIGH ..................................418
HORN RELAY CONTROL CIRCUIT LOW...................................419
HORN RELAY CONTROL CIRCUIT OPEN..................................419
IGNITION RUN/START MISMATCH........................................421
*HORNS INOPERATIVE.................................................422
INSTRUMENT CLUSTER
ABS INDICATOR OUTPUT CIRCUIT OPEN.................................425
ABS INDICATOR OUTPUT CIRCUIT SHORTED .............................425
AIRBAG WARNING INDICATOR OUTPUT CIRCUIT OPEN ....................425
AIRBAG WARNING INDICATOR OUTPUT CIRCUIT SHORT ...................425
MIL INDICATOR OUTPUT CIRCUIT OPEN .................................425
MIL INDICATOR OUTPUT CIRCUIT SHORTED..............................425
WAIT TO START INDICATOR OUTPUT CIRCUIT OPEN ......................425
WAIT TO START INDICATOR OUTPUT CIRCUIT SHORTED...................425
ABS MESSAGES NOT RECEIVED ........................................427
ACM MESSAGES NOT RECEIVED........................................427
FCM MESSAGES NOT RECEIVED........................................427
SKIM MESSAGES NOT RECEIVED .......................................427
TCCM MESSAGES NOT RECEIVED ......................................427
TCM MESSAGES NOT RECEIVED........................................427
BTSI OUTPUT CIRCUIT SHORTED OR OPEN ..............................429
INCORRECT ODOMETER VALUE FOUND .................................431
INTERNAL MODULE BOOTLOADER FAILURE ..............................432
INTERNAL MODULE FLASH MEMORY CHECKSUM FAILURE.................432
PCI BUS INTERNAL FAILURE............................................433
PCM MESSAGES NOT RECEIVED........................................434
PRNDL SWITCH INPUT CIRCUIT OPEN (DIESEL ONLY) .....................436
PRNDL SWITCH INPUT CIRCUIT SHORTED (DIESEL ONLY)..................438
VIN CHECKSUM ERROR................................................440
VIN PREVIOUSLY STORED..............................................440
*ALL GAUGES INOPERATIVE............................................441
*ANY PCI INDICATOR INOPERATIVE .....................................444
*BRAKE WARNING INDICATOR ALWAYS ON ...............................445
*BRAKE WARNING INDICATOR INOPERATIVE .............................447
*FUEL GAUGE INACCURATE ............................................449
*ONE GAUGE INOPERATIVE - GAS ENGINES..............................450
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TABLE OF CONTENTS - Continued
*PRNDL NOT DISPLAYING CORRECT POSITION (EATX VEHICLES) ...........451
*SEAT BELT WARNING INDICATOR ALWAYS OFF...........................452
*SEAT BELT WARNING INDICATOR ALWAYS OFF - STANDARD CAB ..........453
*SEAT BELT WARNING INDICATOR ALWAYS ON ...........................454
*SEAT BELT WARNING INDICATOR ALWAYS ON - STANDARD CAB ...........455
INTERIOR LIGHTING
MIC-CARGO LAMP OUTPUT CIRCUIT SHORTED OR OPEN..................457
MIC-COURTESY-DOME LAMP OUTPUT CIRCUIT SHORTED OR OPEN ........458
MIC-GLOVE BOX-MAP LAMP OUTPUT CIRCUIT SHORT OR OPEN............459
POWER DOOR LOCKS/RKE
ALL DOOR LOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE.......460
ALL DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR VOLTAGE . . . .463
DRIVER CYLINDER LOCK SWITCH INPUT CIRCUIT SHORTED (WITH VTSS
ONLY) ...............................................................466
DRIVER CYLINDER LOCK SWITCH INPUT STUCK (WITH VTSS ONLY) ........468
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO
VOLTAGE.............................................................469
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED...................471
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT STUCK......................473
DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORT TO GROUND OR
VOLTAGE.............................................................474
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO
VOLTAGE.............................................................476
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED ..............478
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK .................480
RKE FOB BATTERY LOW ...............................................481
RKE MODULE COMMUNICATION LINK....................................482
*ALL DOOR LOCKS INOPERATIVE .......................................483
*AUTO (ROLLING) DOOR LOCKS INOPERATIVE............................484
*CYLINDER LOCK SWITCH INOPERATIVE.................................485
*CYLINDER LOCK SWITCH WILL NOT ARM AND/OR DISARM ALARM .........485
*DOOR LOCK INHIBIT INOPERATIVE .....................................487
*LEFT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB ...................488
*ONE DOOR LOCK MOTOR INOPERATIVE ................................490
*RIGHT DOORS FAIL TO LOCK AND UNLOCK - QUAD CAB ..................491
*RKE INOPERATIVE....................................................493
TELECOMMUNICATION
AUDIO HARDWARE MESSAGE NOT RECEIVED............................495
BLUETOOTH ERROR...................................................496
FLASH CHECKSUM ERROR.............................................496
FLASH WRITE ERROR .................................................496
PCI BUS INTERNAL ERROR.............................................496
RAM WRITE ERROR ...................................................496
ROM CHECKSUM ERROR ..............................................496
BODY STYLE MESSAGE NOT RECEIVED .................................498
INVALID BODY STYLE..................................................498
GENERAL MICROPHONE FAULT.........................................499
IGNITION POWER MESSAGE NOT RECEIVED .............................501
LEFT AUDIO INPUT SHORT TO GROUND .................................502
LEFT AUDIO INPUT SHORT TO VOLTAGE .................................502
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TABLE OF CONTENTS - Continued
LEFT AUDIO OUTPUT 1 SHORT TO GROUND..............................502
LEFT AUDIO OUTPUT 1 SHORT TO VOLTAGE .............................502
MIRROR POWER CIRCUIT SHORT TO GROUND ...........................505
MIRROR POWER CIRCUIT SHORT TO VOLTAGE ...........................505
PCI BUS BUSY ........................................................507
PCI BUS CIRCUIT OPEN................................................507
PCI BUS CIRCUIT SHORT TO GROUND...................................507
PCI BUS CIRCUIT SHORT TO VOLTAGE ..................................507
PHONE SWITCH STUCK................................................509
VOICE RECOGNITION SWITCH STUCK ...................................509
VOICE RECOGNITION/PHONE SWITCH CIRCUIT RATIONALITY ..............509
VOICE RECOGNITION/PHONE SWITCH CIRCUIT SHORT TO GROUND ........509
VOICE RECOGNITION/PHONE SWITCH CIRCUIT SHORT TO VOLTAGE........509
PRNDL MESSAGE NOT RECEIVED.......................................513
RADIO MESSAGE NOT RECEIVED .......................................514
RIGHT AUDIO INPUT SHORT TO GROUND ................................515
RIGHT AUDIO INPUT SHORT TO VOLTAGE................................515
RIGHT AUDIO OUTPUT 1 SHORT TO GROUND ............................515
RIGHT AUDIO OUTPUT 1 SHORT TO VOLTAGE ............................515
RPM MESSAGE NOT RECEIVED.........................................518
VIN MESSAGE NOT RECEIVED..........................................519
VIN MISMATCH........................................................520
VEHICLE THEFT/SECURITY
*ALARM TRIPS ON ITS OWN ............................................521
*DRIVER DOOR DOES NOT TRIP VTSS...................................522
*HEADLAMPS FAIL TO FLASH WHEN ALARM IS TRIPPED ...................523
*HORN FAILS TO SOUND WHEN ALARM IS TRIPPED .......................524
*LEFT REAR DOOR DOES NOT TRIP VTSS (4 DOOR).......................525
*PASSENGER DOOR DOES NOT TRIP VTSS ..............................526
*RIGHT REAR DOOR DOES NOT TRIP VTSS (4 DOOR) .....................527
*VTSS WILL NOT ARM PROPERLY .......................................528
WINDSHIELD WIPER & WASHER
FCM-WASHER FLUID LEVEL SENSOR CIRCUIT FAILURE....................530
FCM-WASHER PUMP OUTPUT CIRCUIT LOW..............................532
FCM-WASHER PUMP OUTPUT CIRCUIT OPEN.............................534
FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT HIGH .......................536
FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT LOW .......................537
FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT OPEN ......................538
FCM-WIPER PARK SWITCH INPUT PERFORMANCE ........................539
FCM-WIPER SPEED RELAY OUTPUT CIRCUIT HIGH........................541
FCM-WIPER SPEED RELAY OUTPUT CIRCUIT LOW ........................542
FCM-WIPER SPEED RELAY OUTPUT CIRCUIT OPEN .......................543
MIC-WASH-BEAM INPUT CIRCUIT SHORTED ..............................544
MIC-WIPER SWITCH INPUT CIRCUIT OPEN ...............................546
MIC-WIPER SWITCH INPUT CIRCUIT SHORTED ...........................548
VERIFICATION TESTS
VERIFICATION TESTS..................................................550
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