Subaru 2003 Legacy User manual

FUJI HEAVY INDUSTRIES LTD. G2300GE6
2003 LEGACY SERVICE MANUAL QUICK REFERENCE INDEX
CHASSIS SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.
FRONT SUSPENSION FS
REAR SUSPENSION RS
WHEEL AND TIRE SYSTEM WT
DIFFERENTIALS DI
TRANSFER CASE TC
DRIVE SHAFT SYSTEM DS
ABS ABS
ABS (DIAGNOSTICS) ABS
VDC VDC
VDC (DIAGNOSTICS) VDC
BRAKE BR
PARKING BRAKE PB
POWER ASSISTED SYSTEM
(POWER STEERING) PS

VDC (DIAGNOSTICS) VDC
Page
1. Basic Diagnostic Procedure........................................................................2
2. Check List for Interview...............................................................................6
3. General Description ....................................................................................9
4. Electrical Components Location................................................................11
5. Control Module I/O Signal.........................................................................13
6. VDCCM Connector Cover.........................................................................19
7. Subaru Select Monitor...............................................................................20
8. Read Diagnostic Trouble Code (DTC)......................................................23
9. Inspection Mode........................................................................................24
10. Clear Memory Mode..................................................................................25
11. Warning Light Illumination Pattern ............................................................26
12. List of Diagnostic Trouble Code (DTC).....................................................27
13. Diagnostics Chart with Diagnosis Connector............................................33
14. Diagnostics Chart with Select Monitor ....................................................130
15. General Diagnostic Table........................................................................275

VDC-2
VDC (DIAGNOSTICS) BASIC DIAGNOSTIC PROCEDURE
1. Basic Diagnostic Procedure
A: PROCEDURE
1. WITHOUT SUBARU SELECT MONITOR
Step Value Yes No
1 CHECK PRE-INSPECTION.
1) Ask the customer when and how the trou-
ble occurred using interview checklist.
<Ref. to VDC-6, Check List for Interview.>
2) Before performing diagnosis, inspect unit
which might influence the VDC problem.
<Ref. to VDC-9, INSPECTION, General
Description.>
Is unit that might influence the VDC prob-
lem normal?
Normal Go to step 2. Repair or replace
each unit.
2 CHECK INDICATION OF DIAGNOSTIC
TROUBLE CODE (DTC).
Calling up diagnostic trouble code (DTC).
<Ref. to VDC-23, WITHOUT SUBARU
SELECT MONITOR, OPERATION, Read
Diagnostic Trouble Code (DTC).>
Is diagnostic trouble code (DTC) readable?
Can be read. Go to step 3. Inspect using diag-
nostic chart for
warning light fail-
ure. <Ref. to VDC-
33, ABS WARN-
ING LIGHT, VDC
WARNINGLIGHT,
VDC OPERAT-
ING INDICATOR
LIGHT OR VDC
OFF INDICATOR
LIGHT DOES
NOT COME ON.,
Diagnostics Chart
with Diagnosis
Connector.>
NOTE:
Call up diagnostic
trouble code
(DTC) again after
inspectingwarning
light. <Ref. to
VDC-23, WITH-
OUT SUBARU
SELECT MONI-
TOR, OPERA-
TION, Read
Diagnostic Trou-
ble Code (DTC).>
3 CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
Is only the start code issued?
NOTE:
Record all diagnostic trouble codes (DTCs).
Only start code indicated. Go to step 4. Go to step 5.

VDC-3
VDC (DIAGNOSTICS)
BASIC DIAGNOSTIC PROCEDURE
CAUTION:
Remove foreign matter (dust, water, etc.) from the VDCCM connector during removal and installation.
NOTE:
•To check harness for broken wires or short circuits, shake it while holding it or the connector.
•When ABS and/or VDC warning light illuminates, read and record diagnostic trouble code (DTC) indicated
by ABS warning light.
4 PERFORM THE GENERAL DIAGNOSTICS.
1) Inspect using “General Diagnostics Table”.
<Ref. to VDC-275, General Diagnostic
Table.>
2) Perform the clear memory mode. <Ref. to
VDC-25, WITHOUT SUBARU SELECT
MONITOR, OPERATION, Clear Memory
Mode.>
3) Perform the inspection mode. <Ref. to
VDC-24, Inspection Mode.>
Calling up the diagnostic trouble code
(DTC). <Ref. to VDC-23, WITHOUT SUB-
ARU SELECT MONITOR, OPERATION,
Read Diagnostic Trouble Code (DTC).>
Is only the start code issued?
Only start code indicated. Complete the
diagnosis. Go to step 5.
5 PERFORM THE DIAGNOSIS.
1) Inspect using “Diagnostics Chart with Diag-
nostic Connector”.<Ref. to VDC-33, Diag-
nostics Chart with Diagnosis Connector.>
N
O
TE:
For diagnostic trouble code (DTC) list, refer to
“List of Diagnostic Trouble Code (DTC)”. <Ref.
to VDC-27, WITHOUT SUBARU SELECT
MONITOR, LIST, List of Diagnostic Trouble
Code (DTC).>
2) Repair trouble cause.
3) Perform the clear memory mode. <Ref. to
VDC-25, WITHOUT SUBARU SELECT
MONITOR, OPERATION, Clear Memory
Mode.>
4) Perform the inspection mode. <Ref. to
VDC-24, Inspection Mode.>
5) Calling up the diagnostic trouble code
(DTC). <Ref. to VDC-23, WITHOUT SUB-
ARU SELECT MONITOR, OPERATION,
Read Diagnostic Trouble Code (DTC).>
Is only the start code issued?
Only start code indicated. Complete the
diagnosis. Inspect using “Diagnostics Chart
with Diagnostic
Connector”. <Ref.
to VDC-33, Diag-
nostics Chart with
Diagnosis Con-
nector.>
Step Value Yes No

VDC-4
VDC (DIAGNOSTICS) BASIC DIAGNOSTIC PROCEDURE
2. WITH SUBARU SELECT MONITOR
Step Value Yes No
1 CHECK PRE-INSPECTION.
1) Ask the customer when and how the trou-
ble occurred using interview checklist.
<Ref. to VDC-6, Check List for Interview.>
2) Before performing diagnosis, inspect unit
which might influence the VDC problem.
<Ref. to VDC-9, INSPECTION, General
Description.>
Is unit that might influence the VDC prob-
lem normal?
Normal Go to step 2. Repair or replace
each unit.
2 CHECK INDICATION OF TROUBLE CODE
DISPLAY.
1) Turn ignition switch to OFF.
2) Connect the SUBARU SELECT MONITOR
to data link connector.
3) Turn ignition switch to ON and SUBARU
SELECT MONITOR to ON.
4) Calling up the diagnostic trouble code
(DTC). <Ref. to VDC-23, WITH SUBARU
SELECT MONITOR, OPERATION, Read
Diagnostic Trouble Code (DTC).>
5) Record all diagnostic trouble codes (DTCs)
and frame data.
Is diagnostic trouble code (DTC) is dis-
played?
DTC is indicated. Go to step 3. Go to step 5.
3 CHECK WARNING LIGHT.
Check lighting pattern of the warning light.
<Ref. to VDC-26, INSPECTION, Warning Light
Illumination Pattern.>
Is the warning light lighting pattern normal?
Normal Go to step 4. Check warning
light. <Ref. to
VDC-33, ABS
WARNINGLIGHT,
VDC WARNING
LIGHT, VDC
OPERATING
INDICATOR
LIGHT OR VDC
OFF INDICATOR
LIGHT DOES
NOT COME ON.,
Diagnostics Chart
with Diagnosis
Connector.>
4 PERFORM THE GENERAL DIAGNOSTICS.
1) Inspect using “General Diagnostics Table”.
<Ref. to VDC-275, INSPECTION, General
Diagnostic Table.>
2) Perform the clear memory mode. <Ref. to
VDC-25, WITH SUBARU SELECT MONI-
TOR, OPERATION, Clear Memory Mode.>
3) Perform the inspection mode. <Ref. to
VDC-24, OPERATION, Inspection Mode.>
4) Calling up the diagnostic trouble code
(DTC). <Ref. to VDC-23, WITH SUBARU
SELECT MONITOR, OPERATION, Read
Diagnostic Trouble Code (DTC).>
Is no diagnostic trouble code (DTC) dis-
played or do VDC and ABS warning lights
constantly remain on?
DTC is indicated. Complete the
diagnosis. Go to step 5.

VDC-5
VDC (DIAGNOSTICS)
BASIC DIAGNOSTIC PROCEDURE
NOTE:
•To check harness for broken wires or short circuits, shake it while holding it or the connector.
•Check list for interview. <Ref. to VDC-6, Check List for Interview.>
5 PERFORM THE DIAGNOSIS.
1) Inspect using “Diagnostics Chart with Sub-
aru Select Monitor”.<Ref. to VDC-130,
Diagnostics Chart with Select Monitor.>
N
O
TE:
For diagnostic trouble code (DTC) list, refer to
“List of Diagnostic Trouble Code (DTC)”. <Ref.
to VDC-29, WITH SUBARU SELECT MONI-
TOR, LIST, List of Diagnostic Trouble Code
(DTC).>
2) Repair trouble cause.
3) Perform the clear memory mode. <Ref. to
VDC-25, WITH SUBARU SELECT MONI-
TOR, OPERATION, Clear Memory Mode.>
4) Perform the inspection mode. <Ref. to
VDC-24, OPERATION, Inspection Mode.>
5) Calling up the diagnostic trouble code
(DTC). <Ref. to VDC-23, WITH SUBARU
SELECT MONITOR, OPERATION, Read
Diagnostic Trouble Code (DTC).>
Is diagnostic trouble code (DTC) dis-
played?
DTC is indicated. Inspect using
“Diagnostics Chart
withSubaruSelect
Monitor”. <Ref. to
VDC-130, Diag-
nostics Chart with
Select Monitor.>
Complete the
diagnosis.
Step Value Yes No

VDC-6
VDC (DIAGNOSTICS) CHECK LIST FOR INTERVIEW
2. Check List for Interview
A: CHECK
Check the following items about the vehicle's state.
1. STATE OF ABS AND/OR VDC WARNING LIGHT
2. STATE OF VDC OFF INDICATOR LIGHT
ABS and/or VDC
warning light comes
on.
❏Always
❏Sometimes
❏Only once
❏Does not come on
•When / how long does it come on?:
Ignition key position ❏LOCK
❏ACC
❏ON (before starting engine)
❏START
❏On after starting (Engine running)
Timing ❏Immediately after ignition is ON.
❏Immediately after ignition starts.
❏When advancing km/h to km/h
MPH to MPH
❏While traveling at a constant speed km/h MPH
❏When decelerating km/h to km/h
MPH to MPH
❏When turning to right Steering angle : deg
Steering time : sec
❏When turning to left Steering angle : deg
Steering time : sec
❏When moving other electrical parts
•Parts name :
•Operating condition :
VDC OFF indicator
light comes on. ❏Always ❏Sometimes
❏Only once
❏Does not come on
•When / how long does it come on?:
Ignition key position ❏LOCK
❏ACC
❏ON (before starting engine)
❏START
❏On after starting (Engine is running)
❏On after starting (Engine is stop)
Timing ❏Immediately after ignition is ON.
❏Immediately after ignition starts.
❏When advancing km/h to km/h
MPH to MPH
❏While traveling at a constant speed km/h MPH
❏When decelerating km/h to km/h
MPH to MPH
❏When turning to right Steering angle : deg
Steering time : sec
❏When turning to left Steering angle : deg
Steering time : sec
❏When moving other electrical parts
•Parts name :
•Operating condition :

VDC-7
VDC (DIAGNOSTICS)
CHECK LIST FOR INTERVIEW
3. STATE OF VDC OPERATION INDICATOR LIGHT
4. CONDITIONS UNDER WHICH TROUBLE OCCURS
VDC operation indi-
cator light comes on. ❏Always ❏Sometimes
❏Only once
❏Does not come on
•When / how long does it come on?:
Ignition key position ❏LOCK
❏ACC
❏ON (before starting engine)
❏START
❏On after starting (Engine running)
❏On after starting (Engine stopped)
Timing ❏Immediately after ignition is ON.
❏Immediately after ignition starts.
❏When advancing km/h to km/h
MPH to MPH
❏While traveling at a constant speed km/h MPH
❏When decelerating km/h to km/h
MPH to MPH
❏When turning to right Steering angle : deg
Steering time : sec
❏When turning to left Steering angle : deg
Steering time : sec
❏When moving other electrical parts
•Parts name :
•Operating condition :
Environment a) Weather ❏Fine
❏Cloudy
❏Rainy
❏Snowy
❏Various/Others :
b) Ambient temperature °C (°F)
c) Road ❏Urban area
❏Suburbs
❏Highway
❏General road
❏Ascending slope
❏Descending slope
❏Paved road
❏Gravel road
❏Muddy road
❏Sandy place
❏Straight
❏Sharp curve
❏Slow curve
❏S-shaped curve
❏Road with inclination on each side
❏Others :
d) Road surface ❏Dry
❏Wet
❏New-fallen snow
❏Compressed snow
❏Frozen slope
❏Others :

VDC-8
VDC (DIAGNOSTICS) CHECK LIST FOR INTERVIEW
Condition a) Brakes Deceleration : g
❏Continuous / ❏Intermittent
b) Accelerator Acceleration : g
❏Continuous / ❏Intermittent
c) Vehicle speed km/h MPH
❏Advancing
❏Accelerating
❏Reducing speed
❏Low speed
❏Turning
❏Others :
d) Tire inflation pressure Front RH tire : kPa
Front LH tire : kPa
Rear RH tire : kPa
Rear LH tire : kPa
e) Degree of wear Front RH tire :
Front LH tire :
Rear RH tire :
Rear LH tire :
f) Steering wheel ❏Sharp turn
❏Slow turn
❏Straight-ahead operation
❏Returned slowly
❏Returned quickly
g) Tire/wheel size ❏Specified
❏Other than specified ( )
h) Tire type ❏Summer tire
❏Studless tire (Brand name: )
i) Chain is passed around tires. : ❏Yes / ❏No
j) T tire is used. : ❏Yes / ❏No
k) Condition of suspension alignment :
l) Loading state :
m) Repair parts are used. : ❏Yes / ❏No
•What :
n) Others :

VDC-9
VDC (DIAGNOSTICS)
GENERAL DESCRIPTION
3. General Description
A: CAUTION
1. SUPPLEMENTAL RESTRAINT SYSTEM
“AIRBAG”
Airbag system wiring harness is routed near the
ABS sensor, ABS control module and hydraulic
control unit.
CAUTION:
•All airbag system wiring harness and con-
nectors are colored yellow. Do not use electri-
cal test equipment on these circuit.
•Be careful not to damage airbag system wir-
ing harness when servicing the ABS sensor,
ABS control module and hydraulic control unit.
B: INSPECTION
Before performing diagnostics, check the following
items which might affect VDC problems:
1. BATTERY
Measure battery voltage and specific gravity of
electrolyte.
Standard voltage: 12 V, or more
Specific gravity: Above 1.260
2. BRAKE FLUID
1) Check brake fluid level.
2) Check brake fluid leakage.
3. HYDRAULIC UNIT
Check the hydraulic unit VDC.
•With brake tester <Ref. to VDC-13, CHECKING
THE HYDRAULIC UNIT ABS OPERATION WITH
BRAKE TESTER, INSPECTION, Hydraulic Control
Unit (H/U).>
•Without brake tester <Ref. to VDC-14, CHECK-
ING THE HYDRAULIC UNIT VDC OPERATION
BY PRESSURE GAUGE, INSPECTION, Hydraulic
Control Unit (H/U).>
4. BRAKE DRAG
Check brake drag.
5. BRAKE PAD AND ROTOR
Check brake pad and rotor.
•Front <Ref. to BR-21, INSPECTION, Front
Brake Pad.><Ref. to BR-22, INSPECTION, Front
Disc Rotor.>
•Rear <Ref.to BR-26, INSPECTION, Rear Brake
Pad.><Ref. to BR-27, INSPECTION, Rear Disc
Rotor.>
6. TIRE
Check tire specifications, tire wear and air pres-
sure. <Ref. to WT-2, SPECIFICATIONS, General
Description.>

VDC-10
VDC (DIAGNOSTICS) GENERAL DESCRIPTION
C: PREPARATION TOOL
1. SPECIAL TOOLS
2. GENERAL PURPOSE TOOLS
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
24082AA210 CARTRIDGE Troubleshooting for electrical systems.
22771AA030 SELECT MONI-
TOR KIT Troubleshooting for electrical systems. •English: 22771AA030 (Without printer)
•German: 22771AA070 (Without printer)
•French: 22771AA080 (Without printer)
•Spanish: 22771AA090 (Without printer)
TOOL NAME REMARKS
Circuit Tester Used for measuring resistance, voltage and ampere.
Oscilloscope Used for measuring sensor.
ST-2082AA210
ST22771AA030

VDC-11
VDC (DIAGNOSTICS)
ELECTRICAL COMPONENTS LOCATION
4. Electrical Components Location
A: LOCATION
(1) VDC hydraulic control unit (VDCH/
U) (7) VDC warning light (13) Tone wheel
(8) VDC operating indicator light (14) Wheel cylinder
(2) Proportioning valve (9) VDC OFF indicator light (15) Yaw rate & lateral G sensor
(3) Engine control module (10) Steering angle sensor (16) Transmission control module
(4) Master cylinder (11) Data link connector (for SUBARU
select monitor) (17) VDC control module (VDCCM)
(5) Diagnosis connector (18) Pressure sensor
(6) ABS warning light (12) ABS sensor (19) VDC OFF switch
VDC00116
( 1 ) ( 2 ) ( 3 ) ( 4 )
( 5 )
( 6 ) ( 7 ) ( 8 ) ( 9 ) (10)
(19)
(11) (12)
(12)
(12) (12)
(13)
(13)
(13)
(13)
(14)
(14)
(14)
(14)
(15)
(16)
(17)
(18)

VDC-12
VDC (DIAGNOSTICS) ELECTRICAL COMPONENTS LOCATION
VDC00156
( 6 )
( 7 )
( 8 )
( 9 )
VDC00169
(11)
VDC00166
( 5 )
VDC00157
(17)
VDC00167
( 1 ) (18)
VDC00170
(12)
(13)
VDC00168
(15)
VDC00171
(10)

VDC-13
VDC (DIAGNOSTICS)
CONTROL MODULE I/O SIGNAL
5. Control Module I/O Signal
A: ELECTRICAL SPECIFICATION
NOTE:
•The terminal numbers in the VDC control module connector are as shown in the figure.
•When the connectoris removed from the VDCCM, theconnector switch closes thecircuitbetween terminal
No. 53, No. 54 and No. 55. The ABS and VDC warning light illuminate.
VDC00125
F87

VDC-14
VDC (DIAGNOSTICS) CONTROL MODULE I/O SIGNAL
Contents Terminal No.
(+)—(−)
Input/Output signal
Measured value and measuring condition
Ignition switch 28—110—15 V when ignition switch is ON.
ABS sensor
(Wheel
speed sen-
sor)
Front left wheel 49—19
0.12 —1 V (When it is 20 Hz.)
Front right wheel 14—15
Rear left wheel 16—17
Rear right wheel 18—46
Yaw rate
and lateral
G sensor
Output (Lateral G sensor) 70—64 2.2 —2.8 V when vehicle is in horizontal position.
Power supply 63—64 10 —15 V when ignition switch is ON.
Output (Yaw rate sensor) 65—64 Wave form <Ref. to VDC-17, WAVEFORM, MEASUREMENT,
Control Module I/O Signal.>
Reference (Yaw rate sensor) 66—64 2.1 —2.9 V
Test 67—64 40 ms pulse signal with a cycle of 5 —1 V <Ref. to VDC-17,
WAVEFORM, MEASUREMENT, Control Module I/O Signal.>
Ground 64 —
CAN communication line (+) 81—12.5 —1.5 V pulse signal <Ref. to VDC-17, WAVEFORM, MEA-
SUREMENT, Control Module I/O Signal.>
CAN communication line (−)83—13.5 —2.5 V pulse signal <Ref. to VDC-17, WAVEFORM, MEA-
SUREMENT, Control Module I/O Signal.>
Engine
module
AET 21—11.5 V or less (ABS/TCS/VDC operating); 10 V or more (ABS/TCS/
VDC not operating)
AEB 43—110—15 V (Ignition switch ON and vehicle at standstill)
AEC 8—110—15 V (Ignition switch ON and vehicle at standstill)
EAS 75—13.5—1.5 V pulse signal
EAC 45—13.5—1.5 V pulse signal
Revolution 9—110—1.5 V pulse signal
Relay box
Valve relay power supply 27—110—15 V when ignition switch is ON.
Valve relay coil 47—1 Less than 1.5 V when ignition switch is ON.
Motor relay coil 22—11.5 V or less (ABS/TCS/VDC operating); 10 V or more (ABS/TCS/
VDC not operating)
Motor monitoring 10—110 V or less (ABS/TCS/VDC operating); 1.5 V or more (ABS/TCS/
VDC not operating)
Hydraulic
control unit
Front left inlet solenoid valve 24—1
10 —15 V when the valve is OFF and less than 1.5 V when the
valve is ON.
Front right inlet solenoid valve 30—1
Rear left inlet solenoid valve 31—1
Rear right inlet solenoid valve 23—1
Front left outlet solenoid valve 51—1
Front right outlet solenoid valve 3—1
Rear left outlet solenoid valve 4—1
Rear right outlet solenoid valve 50—1
Primary cut solenoid valve 25—1
Secondary cut solenoid valve 26—1
Primary suction solenoid valve 29—1
Secondary suction solenoid valve 2—1
Pressure
sensor
Power supply 78—76 4.75 —5.25 V when ignition switch is ON.
Primary output 77—76 0.48 —0.72 V (Brake pedal released)
Ground 76 —
Secondary output 36—76 0.48 —0.72 V (Brake pedal released)
VDC operation indicator light 32—1Less than 1.5 V during 1.5 seconds when ignition switch is ON,
and 10 —15 V after 1.5 seconds.
VDC OFF indicator light 52—11.5 V or less (Ignition switch ON and VDC OFF indicator light ON);
10 —15 V (Ignition switch ON and VDC OFF indicator light OFF)

VDC-15
VDC (DIAGNOSTICS)
CONTROL MODULE I/O SIGNAL
VDC warning light 53—1Less than 1.5 V during 1.5 seconds when ignition switch is ON,
and 10 —15 V after 1.5 seconds.
ABS warning light 54—1Less than 1.5 V during 1.5 seconds when ignition switch is ON,
and 10 —15 V after 1.5 seconds.
Diagnosis
connector Terminal No. 8 13 —
Terminal No. 5 74 —
Select moni-
tor Data is received. 11—1 Less than 1.5 V when no data is received.
Data is sent. 38—14.75—5.25 V when no data is sent.
VDC OFF switch 40—110 —15 V when ignition switch is ON.
0 V (While pushing the switch)
Ground 1 —
Ground 55 —

VDC-16
VDC (DIAGNOSTICS) CONTROL MODULE I/O SIGNAL
B: SCHEMATIC
(1) VDC control module (14) Primary suction solenoid valve (27) BATTERY
(2) Relay box (15) Primary cut solenoid valve (28) Front left ABS sensor
(3) Valve relay (16) Secondary suction solenoid valve (29) Front right ABS sensor
(4) Motor relay (17) Secondary cut solenoid valve (30) Rear left ABS sensor
(5) Hydraulic control unit (18) Motor (31) Rear right ABS sensor
(6) Front left inlet solenoid valve (19) Primary pressure sensor (32) Yaw rate and lateral G sensor
(7) Front left outlet solenoid valve (20) Secondary pressure sensor (33) Engine control module
(8) Front right inlet solenoid valve (21) VDC OFF switch (34) Transmission control module
(9) Front right outlet solenoid valve (22) ABS warning light (35) Steering angle sensor
(10) Rear left inlet solenoid valve (23) VDC warning light (36) Diagnosis connector
(11) Rear left outlet solenoid valve (24) VDC operating indicator light (37) Data link connector
(12) Rear right inlet solenoid valve (25) VDC OFF indicator light
(13) Rear right outlet solenoid valve (26) Ignition relay
VDC00126
M

VDC-17
VDC (DIAGNOSTICS)
CONTROL MODULE I/O SIGNAL
C: MEASUREMENT
Measure input/output signal voltage.
NOTE:
Measure with the VDCCM connector cover removed. <Ref. to VDC-19, VDCCM Connector Cover.>
1. WAVEFORM
VDC00184
65 - 64
20 ms
(V)
3
2
1
0
5.0 V
2.1 –2.9 V
0
5
10
( 1 )
( 2 )
67 - 64
( 2 )
( 3 )
(1) Yaw rate sensor
(2) Terminal No.
(3) (When the vehicle is stopped)

VDC-18
VDC (DIAGNOSTICS) CONTROL MODULE I/O SIGNAL
VDC00185
(V)
4
0
4
0
2.5 V
83-1
81-1
1.5 V
5 ms
3.5 V
2.5 V
( 1 )
( 2 )
( 2 )
(1) Can communication line
(2) Terminal No.