Subaru 2001 Forester Manuale utente

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, reassem-

bling, inspection and adjustment of com-

ponents and diagnostics for guidance 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 genu-

ine parts.

All information, illustration and specifica-

tions contained in this manual are based

on the latest product information avail-

able at the time of publication approval.

FUJI HEAVY INDUSTRIES LTD.

2001 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX

BODY SECTION

G8050GE6

IMMOBILIZER (DIAGNOSTICS) IM

Page

1. Basic Diagnostic Procedure........................................................................2

2. General Description.....................................................................................3

3. Electrical Components Location..................................................................5

4. Immobilizer Control Module I/O Signal.......................................................6

5. Subaru Select Monitor...............................................................................14

6. Read Diagnostic Trouble Code.................................................................16

7. Clear Memory Mode..................................................................................18

8. Diagnostics Chart for Immobilizer Indicator Light.....................................19

9. List of Diagnostic Trouble Code................................................................25

10. Diagnostics Chart with Trouble Code .......................................................26

1. Basic Diagnostic Procedure

S009501

A: PROCEDURE S009501E45

No. Step Check Yes No

1 CHECK ILLUMINATION OF IMMOBILIZER

INDICATOR LIGHT.

Turn ignition switch ON.

Does immobilizer indicator

light illuminate? Go to step 2. Go to step 3.

2 CHECK ENGINE START.

Turn ignition switch to START position. Is the engine hard to start? Go to step 5. Go to step 3.

3 CHECK ILLUMINATION OF IMMOBILIZER

INDICATOR LIGHT.

1) Turn ignition switch to OFF or ACC posi-

tion.

2) Wait at least 60 seconds.

Does immobilizer indicator

light blink? Go to step 4. Check immobilizer

indicator light cir-

cuit. <Ref. to

IM-19, CHECK

IMMOBILIZER

INDICATOR

CIRCUIT,

INSPECTION,

Diagnostics Chart

for Immobilizer

Indicator Light.>

4 CHECK ILLUMINATION OF IMMOBILIZER

INDICATOR LIGHT.

Remove key from ignition switch.

Does immobilizer indicator

light begin to blink 5 sec-

onds after the key is

removed?

The immobilizer

system is OK. Check key switch

circuit. <Ref. to

IM-22, CHECK

KEY SWITCH

CIRCUIT,

INSPECTION,

Diagnostics Chart

for Immobilizer

Indicator Light.>

5 CHECK INDICATION OF DTC ON DISPLAY.

1) Turn ignition switch OFF.

2) Connect the Subaru Select Monitor to data

link connector. <Ref. to IM-14, OPERATION,

Subaru Select Monitor.>

3) Turn ignition switch and Subaru Select

Monitor switch ON.

4) Read DTC on the display.

Is trouble code indicated on

display? Go to step 6. Repair the related

parts.

6 PERFORM THE DIAGNOSIS.

1) Inspect using “Diagnostics Chart with

Trouble Code”. <Ref. to IM-26, Diagnostics

Chart with Trouble Code.>

2) Repair the trouble cause.

3) Perform clear memory mode.

4) Read DTC again.

Is trouble code indicated on

display? Inspect using

“Diagnostic Chart

with Trouble

Code”. <Ref. to

IM-26, Diagnos-

tics Chart with

Trouble Code.>

Finish the diag-

nostics.

IM-2

BASIC DIAGNOSTIC PROCEDURE

Immobilizer (Diagnostics)

2. General Description S009001

A: CAUTION S009001A03

CAUTION:

쐌Airbag system wiring harness is routed near

the immobilizer control module. All airbag sys-

tem wiring harness and connectors are colored

yellow. Do not use electrical test equipment on

these circuits.

쐌Be careful not to damage airbag system wir-

ing harness when servicing the immobilizer

control module.

쐌While diagnostic items are being checked,

do not operate radios, portable telephones, etc.

which emit electromagnetic waves near or

inside the vehicle.

B6M0616

쐌When ignition switch is being turned ON or

OFF while diagnostic items are being checked,

do not allow keys with different ID codes close

to the ignition switch. If ignition key is in a key

holder, remove it from holder before carrying

out diagnoses.

B6M0617

쐌When repeatedly turning ignition ON or OFF

while diagnostic items are being checked, it

should be switched in cycles of “ON”for at

least 5 seconds →“OFF”for at least 8 sec-

onds.

B6M0618A

쐌If engine fails to start with a registered igni-

tion key, detach ignition key from ignition

switch and wait for approximately 1 second

until immobilizer indicator light begins to flash.

Start engine again.

쐌Before checking diagnostic items, obtain all

keys for vehicle to be checked possessed by

owner.

IM-3

GENERAL DESCRIPTION Immobilizer (Diagnostics)

B: PREPARATION TOOL S009001A17

1. SPECIAL TOOLS S009001A1701

ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS

B2M3876

24082AA150

(Newly adopted tool) CARTRIDGE Troubleshooting for electrical systems.

B2M3877

22771AA030 SELECT MONITOR

KIT Troubleshooting for electrical systems.

쐌English:

22771AA030 (Without printer)

쐌German:

22771AA070 (Without printer)

쐌French:

22771AA080 (Without printer)

쐌Spanish:

22771AA090 (Without printer)

2. GENERAL TOOLS S009001A1702

TOOL NAME REMARKS

Circuit Tester Used for measuring resistance, voltage and ampere.

IM-4

GENERAL DESCRIPTION

Immobilizer (Diagnostics)

3. Electrical Components

Location S009507

A: LOCATION S009507A13

S6M0413A

(1) Antenna

(2) Immobilizer indicator light (LED

bulb)

(3) Immobilizer control module (IMM

ECM)

(4) Transponder

NOTE:

IMM ECM location for RHD model is symmetrically

opposite.

IM-5

ELECTRICAL COMPONENTS LOCATION Immobilizer (Diagnostics)

4. Immobilizer Control Module I/O Signal S009517

A: SCHEMATIC S009517A21

1. IMMOBILIZER LHD WITH OBD MODEL S009517A2103

SL91-20A

IM-6

IMMOBILIZER CONTROL MODULE I/O SIGNAL

Immobilizer (Diagnostics)

SL91-20B

IM-7

IMMOBILIZER CONTROL MODULE I/O SIGNAL

Immobilizer (Diagnostics)

2. IMMOBILIZER LHD WITHOUT OBD

MODEL S009517A2104

SL91-21A

IM-8

IMMOBILIZER CONTROL MODULE I/O SIGNAL

Immobilizer (Diagnostics)

SL91-21B

IM-9

IMMOBILIZER CONTROL MODULE I/O SIGNAL

Immobilizer (Diagnostics)

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