Subaru 2003 Legacy Bedienungsanleitung

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.>

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.>

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 :

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