belt SUBARU FORESTER 2004 Service User Guide

AB-19
AIRBAG SYSTEM
Side Airbag Sensor
8. Side Airbag Sensor
A: REMOVAL
1) Turn the ignition switch to OFF.
2) Disconnect the ground cable from battery, and
wait for at least 20 seconds before starting work.
3) Remove the outer belt (FRONT). 10, FRONT OUTER BELT, REMOVAL, Front Seat
Belt.>
4) Detach the side airbag sensor, and then discon-
nect the airbag connector.
B: INSTALLATION
CAUTION:
Use new TORX® bolts T30 when reassembling.
Install in the reverse order of removal.
Tightening torque:
Refer to “COMPONENT” in “General Descrip-
tion” NENT, General Description.>
C: INSPECTION
Check for the following, and replace damaged
parts with new parts.
 Bracket connector for side airbag sensor is dam-
aged.
 Side airbag is deployed.
AB-00036

FUJI HEAVY INDUSTRIES LTD. G8080GE7
2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
BODY 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.HVAC SYSTEM
(HEATER, VENTILATOR AND A/C)AC
HVAC SYSTEM (AUTO A/C)
(DIAGNOSTIC)AC
AIRBAG SYSTEM AB
AIRBAG SYSTEM (DIAGNOSTIC) AB
SEAT BELT SYSTEM SB
LIGHTING SYSTEM LI
WIPER AND WASHER SYSTEM WW
ENTERTAINMENT ET
COMMUNICATION SYSTEM COM
GLASS/WINDOW/MIRROR GW
BODY STRUCTURE BS
INSTRUMENTATION/DRIVER INFO IDI
SEAT SE
SECURITY AND LOCK SL
SUNROOF/T-TOP/CONVERTIBLE TOP
(SUNROOF)SR
EXTERIOR/INTERIOR TRIM EI
EXTERIOR BODY PANEL EB

AB-12
AIRBAG SYSTEM (DIAGNOSTIC)
General Description
 TEST HARNESS L
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
98299FE000 TEST HARNESS L Used when measuring voltage, resistance of
seat belt pretensioner.
3L
1L2L
ST98299FE000
AB-00430
3L
1
2 5
6
3
4
1L 2L
12
21
3 12
6
453L
2L1L1
2

AB-15
AIRBAG SYSTEM (DIAGNOSTIC)
General Description
 TEST HARNESS N
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
98299SA000 TEST HARNESS N Used when measuring voltage, resistance of
driver’s airbag module and seat belt preten-
sioner.
2N
1N
ST98299SA000
AB-00675
2N1N
1
2
1
2
1
22
1
1N
2N

AB-19
AIRBAG SYSTEM (DIAGNOSTIC)
Electrical Components Location
4. Electrical Components Location
A: LOCATION
1. LHD MODEL
(a) To body harness (b) To seat belt pretensioner (LH) (c) To seat belt pretensioner (RH)
(1) Front sub sensor (LH) (6) Passenger’s airbag inflator (12) Side airbag sensor (LH)
(2) Front sub sensor (RH) (7) Roll connector (13) Side airbag sensor (RH)
(3) Front sub sensor harness (LH) (8) Airbag main harness (14) Side airbag inflator (LH)
(4) Front sub sensor harness (RH) (9) Driver’s airbag inflator (15) Side airbag inflator (RH)
(5)
Airbag control module with built-in
safety and electric sensor(10) Side airbag harness (LH)
(11) Side airbag harness (RH)
Connector
No.(AB1) (AB2) (AB3) (AB4) (AB7) (AB8) (AB9) (AB10) (AB11) (AB12) (AB13) (AB14)
Pole 622841212242422
Color Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Male/Female Male Female Female Female Female Female Female Female Female Female Female Male
Connector
No.(AB15) (AB18) (AB19) (AB20) (AB21) (AB26)
Pole 222222
Color Yellow Yellow Yellow Yellow Yellow Yellow
Male/Female Female Female Female Female Female Male
AB-00737
(1)
(2)
(3)
(7) (a)
(9)
(14)
(15)
(13) (11)
(c) (6)
(5)
(8)
(10)
(b)
(12)(4)
AB18
B31
AB1
AB12
AB20AB19
AB10
AB3
AB8
AB15
AB7
AB9
AB4
AB26
AB2
AB21
AB14
AB13
AB11

AB-20
AIRBAG SYSTEM (DIAGNOSTIC)
Electrical Components Location
2. RHD MODEL
(a) To body harness (b) To seat belt pretensioner (LH) (c) To seat belt pretensioner (RH)
(1) Front sub sensor (LH) (6) Passenger’s airbag inflator (13) Side airbag sensor (RH)
(2) Front sub sensor (RH) (7) Roll connector (14) Side airbag inflator (LH)
(3) Front sub sensor harness (LH) (8) Airbag main harness (15) Side airbag inflator (RH)
(4) Front sub sensor harness (RH) (9) Driver’s airbag inflator (16) Lap pretensioner
(5)
Airbag control module with built-in
safety and electric sensor(10) Side airbag harness (LH)
(12) Side airbag sensor (LH)
Connector
No.(AB1) (AB2) (AB3) (AB4) (AB7) (AB8) (AB9) (AB10) (AB11) (AB12) (AB13) (AB14)
Pole 622841212242422
Color Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Male/Female Male Female Female Female Female Female Female Female Female Female Female Male
Connector
No.(AB15) (AB18) (AB19) (AB20) (AB21) (AB25) (AB26)
Pole 2222222
Color Yellow Yellow Yellow Yellow Yellow Orange Orange
Male/Female Female Female Female Female Female Female Male
AB-00738
(1)
(2)
(5)
(6)
(8)
(7)
(11)
(13)
(12)(10)
(b)
(c) (a)
(9)
(14)
(15)
(3)(4)
(16)
AB14
AB15
AB13
AB26
AB21
B31
AB2
AB25
AB20
AB12
AB18
AB7AB1
AB3AB8
AB19
AB10
AB11AB9
AB4

AB-26
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
WI-03208
YG 2YB 1YG 6YB 5W7L10G12B9W12L9G7B10
YG 2YB 1YG 1YB 2W 1L 2G 3B 4W 1L 2G 3B 4
AB7AB8
AB10AB12AB9
YR 2Y1
YR 1Y 2AB19
AB20
AB25
AB12
AB10AB8AB7
AB19
AB11
AB9
AB11
YR 5Y6
YR 1Y 2AB20
AIRBAG CONTROL MODULE
SIDE AIRBAG
SENSOR RH SIDE AIRBAG
SENSOR LH
INFLATOR
(SIDE LH)INFLATOR
(SIDE RH)
1234
21
123456
78910111210 11 12
123456
789
PRETENSIONER
LHPRETENSIONER
RH
YR 3Y4
YR 1Y 2AB25
LAP
SEAT BELT
PRETENSIONER
A/B(R)-03A/B(R)-03
(YELLOW) (YELLOW)
(YELLOW)(YELLOW)
(YELLOW)
(YELLOW)(YELLOW)
21(YELLOW)
(YELLOW)

AB-34
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Warning Light Failure
11.Airbag Warning Light Failure
A: AIRBAG WARNING LIGHT REMAINS ON.
DIAGNOSIS:
 Airbag warning light unit is faulty.
 Airbag control module to airbag warning light circuit is shorted or open.
 Grounding circuit is faulty.
 Airbag control module is faulty.
 (AB1) and (B31) are not connected properly.
 (AB3) is not connected properly to the airbag control module.
CAUTION:
 Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground cable from battery, and wait more than 20 seconds before starting to work.
 After replacing the airbag module, seat belt pretensioner, roll connector, control module or sensor,
reconnect each part and confirm that the airbag warning light operates properly.
 When inspecting the airbag main harness, disconnect the airbag module connector of the driver
and passenger seats for safety reasons.

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 light is faulty.
 Airbag main harness is faulty.
 Airbag control module is faulty.
CAUTION:
 Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the
ground cable from battery, and wait more than 20 seconds before starting to work.
 After replacing the airbag module, seat belt pretensioner, roll connector, control module or sensor,
reconnect each part and confirm that the airbag warning light operates properly.
 When inspecting the airbag main harness, disconnect the airbag module connector of the driver
and passenger seats for safety reasons.
1. LHD MODEL
WIRING DIAGRAM:
AB-00739
12
34561
2345678910123456789101112131415161718192021222324252627282930
B31 i11AB3
i10
B:
C: i10
i11
AIRBAG
WARNING
LIGHTCOMBINATION
METERB9
B8
B10
NO.14
i3B38 28
i2B37 19
5
AIRBAG CONTROL MODULEAB3
B31
AB1
3
3
AIRBAG
CIRCUIT
E
BATTERY
1234567891011121314151617
1819202122232425262728
IGNITION
SWITCH
B: C:

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).>