2004 SUBARU FORESTER Service Repair Manual

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Page 169 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-37
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
2. RHD MODEL
WIRING DIAGRAM:
Step Check Yes No
1 CHECK POOR CONTACT IN CONNECTORS
(AB1) AND (B31).
1) Turn the ignition switch to OFF, d

Page 170 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-38
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
2 CHECK AIRBAG WARNING LIGHT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2

AB-38
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
2 CHECK AIRBAG WARNING LIGHT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Connect the connector (1M) in test harness
M to body harness connector (B31).
3) Connect the battery ground cable and turn
the ignition switch to ON.
4) Connect the connectors, (3M) and (4M) in
test harness M.Is the airbag warning light
turned off?Go to step 4.Go to step 3.
3 CHECK BODY HARNESS.
Check the body harness.
N
OTE:
After problem has been eliminated, disconnect
the connectors (3M) and (4M).Is the anything unusual to body
harness?Repair the body
harness.Replace the com-
bination meter
printed circuit.
Combination
Meter Assembly.>
4 CHECK POOR CONTACT.
Confirm that firm contact is secured between
the airbag control module and the connector
(AB3). ule.>Is the poor contact in connec-
tor (AB3)? Replace the airbag
main harness with
body harness or
replace the airbag
control module.
Airbag Control
Module.>Go to step 5.
5 CHECK AIRBAG MAIN HARNESS.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Connect the connector (AB1) to (B31).
3) Disconnect the connectors (AB21) and
(AB26).
4) Remove the glove box and disconnect the
connectors (AB4).
5) Disconnect the connector (AB3) from the
airbag control module, and connect the con-
nector (1R) in test harness R. Airbag Control Module.>
6) Connect the battery ground cable and turn
the ignition switch to ON.
7) Connect the connectors (5R) and (6R) in
test harness R.
N
OTE:
After problem has been eliminated, disconnect
the connectors (5R) and (6R).Is the airbag warning light
turned off? Go to step 6.Replace the airbag
main harness with
body harness.
6 CHECK GROUNDING CIRCUIT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect the connector (AB3) from the
airbag control module.
3) Connect the connector (1R) in test harness
R to body harness connector (AB3).
4) Measure the resistance between connector
(2R) in test harness R and the chassis ground.
Connector & terminal
(2R) No. 10 — Chassis ground:
(2R) No. 11 — Chassis ground: Is the resistance less than 10
Ω?Replace the airbag
control module.
Airbag Control
Module.>Repair the body-
grounding circuit. Step Check Yes No

Page 171 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-39
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
B: AIRBAG WARNING LIGHT REMAINS OFF.
DIAGNOSIS:
Fuse No. 14 (in fuse box) is blown.
Body harness circuit is open.
Airbag warning lig

Page 172 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-40
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
Step Check Yes No
1 CHECK COMBINATION METER.
Turn the ignition switch to ON, and confirm that
warning lights equipped in the combination

Page 173 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-41
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
2. RHD MODEL
WIRING DIAGRAM:
AB-00740
12
34561
2345678910123456789101112131415161718192021222324252627282930
B31 i11AB3
i10
B:
C: i10
i11

Page 174 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-42
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
Step Check Yes No
1 CHECK COMBINATION METER.
Turn the ignition switch to ON, and confirm that
warning lights equipped in the combination

Page 175 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-43
AIRBAG SYSTEM (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
12.List of Diagnostic Trouble Code (DTC)
A: LIST
DTCMemory func-
tionContents of diagnosis Index No.
11 Provided. Airbag main ha

AB-43
AIRBAG SYSTEM (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
12.List of Diagnostic Trouble Code (DTC)
A: LIST
DTCMemory func-
tionContents of diagnosis Index No.
11 Provided. Airbag main harness circuit is open, shorted or
shorted to ground.
Airbag module harness circuit (driver) is open,
shorted or shorted to ground.
Roll connector circuit is open, shorted or shorted
to ground.
Airbag control module is faulty.
Driver’s airbag module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
12 Provided. Airbag main harness circuit is open, shorted or
shorted to ground.
Airbag module harness circuit (passenger) is
open, shorted or shorted to ground.
Airbag control module is faulty.
Passenger’s airbag module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
15 Provided. Airbag main harness circuit (driver) is shorted to
power supply.
Airbag module harness (driver) is shorted to power
supply.
Roll connector is shorted to power supply.
Airbag control module is faulty.
Driver’s airbag module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
16 Provided. Airbag main harness circuit (passenger) is shorted
to power supply.
Airbag module harness (passenger) is shorted to
power supply.
Airbag control module is faulty.
Passenger’s airbag module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
21 Provided. Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
22 Provided.Front airbag module and seat belt pretensioner (LH/
RH) are inflated. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
23 Not provided.(AB3), (AB7) and (AB8) are not connected properly
to airbag control module. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
24 Not provided. Airbag control module is faulty.
Airbag main harness circuit is open.
Fuse No. 11 (in joint box) is blown.
Body harness circuit is open. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
25 Provided. Airbag control module is faulty.
Airbag main harness circuit is open.
Fuse No. 6 (in joint box) is blown.
Body harness circuit is open. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
31 Provided. Front sub-sensor harness circuit (RH) is shorted,
opened or shorted to power supply.
Airbag main harness circuit is shorted, opened or
shorted to power supply.
Front sub-sensor (RH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>

Page 176 of 2870

SUBARU FORESTER 2004 Service Repair Manual AB-44
AIRBAG SYSTEM (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
32 Provided. Front sub-sensor harness circuit (LH) is shorted,
opened or shorted to power supply.
Airbag main harness circuit

AB-44
AIRBAG SYSTEM (DIAGNOSTIC)
List of Diagnostic Trouble Code (DTC)
32 Provided. Front sub-sensor harness circuit (LH) is shorted,
opened or shorted to power supply.
Airbag main harness circuit is shorted, opened or
shorted to power supply.
Front sub-sensor (LH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
41 Provided. Side airbag harness (RH) is faulty.
Side airbag module (RH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
42 Provided. Side airbag harness (LH) is faulty.
Side airbag module (LH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
45 Provided. Side airbag harness (RH) is shorted to power sup-
ply.
Side airbag module (RH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
46 Provided. Side airbag harness (LH) is shorted to power sup-
ply.
Side airbag module (LH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
51 Provided. Side airbag sensor (RH) is faulty.
Side airbag harness (RH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
52 Provided. Side airbag sensor (LH) is faulty.
Side airbag harness (LH) is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
53 Provided. Side airbag sensor (RH) is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
54 Provided. Side airbag sensor (LH) is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
55 Provided. Side airbag module is operate. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
61 Provided. Seat belt pretensioner circuit (RH) is open, shorted
or shorted to ground.
Airbag control module is faulty.
Pretensioner is faulty.
Pretensioner harness is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
62 Provided. Seat belt pretensioner circuit (LH) is open, shorted
or shorted to ground.
Airbag control module is faulty.
Pretensioner is faulty.
Pretensioner harness is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).>
65 Provided. Seat belt pretensioner circuit (RH) is shorted to
power supply.
Pretensioner is faulty.
Pretensioner harness is faulty.
Airbag control module is faulty. Diagnostic Procedure
with Diagnostic Trouble
Code (DTC).> DTCMemory func-
tionContents of diagnosis Index No.

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