2004 SUBARU FORESTER Service Repair Manual

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Page 649 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-7
IMMOBILIZER (DIAGNOSTIC)
Subaru Select Monitor
5. Subaru Select Monitor
A: OPERATION
1. HOW TO USE SUBARU SELECT MONI-
TOR
1) Prepare the Subaru Select Monitor kit.
2) Connect the diagnosis cable

Page 650 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-8
IMMOBILIZER (DIAGNOSTIC)
Read Diagnostic Trouble Code (DTC)
6. Read Diagnostic Trouble
Code (DTC)
A: OPERATION
1) On the «Main Menu» display screen, select the
{Each System Check}, and then pr

Page 651 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-9
IMMOBILIZER (DIAGNOSTIC)
Clear Memory Mode
7. Clear Memory Mode
A: OPERATION
1) On the «Main Menu» display screen, select the
{Each System Check}, and then press the [YES] key.
2) On the «Syst

Page 652 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-10
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
8. Diagnostics Chart for Immobilizer Warning Light
A: INSPECTION
1. CHECK IMMOBILIZER WARNING CIRCUIT
WIRING DIAGRAM:
IM-

Page 653 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-11
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
Step Check Yes No
1 CHECK IMMOBILIZER WARNING LIGHT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connec

IM-11
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
Step Check Yes No
1 CHECK IMMOBILIZER WARNING LIGHT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
IMM ECM.
3) Connect a resistor (750 Ω) between IMM
ECM harness connector terminal No. 9 and
chassis ground.Does the immobilizer warning
light illuminate?Go to step 2.Go to step 5.
2 CHECK IMM ECM GROUND CIRCUIT.
Measure the resistance between IMM ECM
harness connector terminal and chassis
ground.
Connector & terminal
(B141) No. 2, No. 3 — Chassis ground:Is the resistance less than 10
Ω?Go to step 3.Repair the open
circuit of IMMECM
ground circuit.
3 CHECK IMM ECM IGNITION CIRCUIT.
1) Turn the ignition switch to ON. (engine
OFF.)
2) Measure the voltage between IMM ECM
harness connector terminal and chassis
ground.
Connector & terminal
(B141) No. 12 (+) — Chassis ground(
−):Is the voltage more than 10 V? Go to step 4.Check the harness
for open or short
between IMM
ECM and ignition
switch.
4 CHECK IMM ECM POWER SUPPLY CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Measure the voltage between IMM ECM
harness connector terminal and chassis
ground.
Connector & terminal
(B141) No. 10, No. 11 (+) — Chassis
ground(
−):Is the voltage more than 10 V? Replace the IMM
ECM 37, Immobilizer
Control Module.>
and then replace
all ignition keys
(including the tran-
sponder). Then
perform teaching
operation. Refer to
teaching opera-
tion manual (Pub.
No. S0820GZ).Check the harness
for open or short
between IMM
ECM and fuse.
5 CHECK COMBINATION METER CIRCUIT.
1) Remove the combination meter. IDI-10, Combination Meter Assembly.>
2) Measure the voltage between combination
meter harness connector terminal and chassis
ground.
Connector & terminal
(i10) No. 8 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 6.Check the harness
for open or short
between combina-
tion meter and
fuse.
6 CHECK COMBINATION METER CIRCUIT.
Measure the resistance between IMM ECM
harness connector terminal and combination
meter harness connector terminal.
Connector & terminal
LHD model
(B141) No. 9 — (i12) No. 4:
RHD model
(B141) No. 9 — (i11) No. 5:Is the resistance less than 10
Ω?Faulty LED.
Replace the com-
bination meter
printed circuit.
DISASSEMBLY,
Combination
Meter Assembly.>Repair the har-
ness or connector.

Page 654 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-12
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
2. CHECK KEY WARNING SWITCH CIRCUIT
WIRING DIAGRAM:
IM-00006
B74
B61
F44
KEY WARNING
SWITCH
B141IMM ECM
LHD
RHDLHD
RHD
BA

Page 655 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-13
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Chart for Immobilizer Warning Light
Step Check Yes No
1 CHECK POWER SUPPLY CIRCUIT.
1) Disconnect the harness connector from key
warning switch.
2) Measure

Page 656 of 2870

SUBARU FORESTER 2004 Service Repair Manual IM-14
IMMOBILIZER (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
9. List of Diagnostic Trouble Code (DTC)
A: LIST
NOTE:
Perform the engine DTC when the DTC except immobilizer DTC is detected. <Ref

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