2004 SUBARU FORESTER safety belt

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-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-46
AIRBAG SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
13.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC 11
DIAGNOSIS:
 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.
 Driver’s airbag module 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.
 When replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, confirm that airbag warning light is turn normally after reconnect the each parts.
 When inspecting the airbag main harness, disconnect the driver’s airbag module and passenger’s
airbag module connectors for safety reasons.
WIRING DIAGRAM:
AB-00741
AB3
AB21
AB26
AB222
11
14
13
AB21AB3AB2
1212
AIRBAG CONTROL MODULE
STEERING
ROLL CONNECTOR
INFLATOR
(DRIVER SIDE)
1234567891011121314151617
1819202122232425262728

AB-48
AIRBAG SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
B: DTC 12
DIAGNOSIS:
 Airbag main harness circuit is open, shorted or shorted to ground.
 Airbag module harness circuit (Passenger) is open, shorted or shorted to ground.
 Passenger’s airbag module 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.
 When replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-
sor, confirm that airbag warning light is turn normally after reconnect the each parts.
 When inspecting the airbag main harness, disconnect the airbag module connector of the driver
and passenger seats for safety reasons.
WIRING DIAGRAM:
AB-00742
AB3 INFLATOR
(PASSENGER SIDE)
AB4
AB4
AB27
11
10 3
47
8
1
2
AIRBAG CONTROL MODULEAB3
12341234567891011121314151617
1819202122232425262728

AB-50
AIRBAG SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
C: DTC 15
DIAGNOSIS:
 Airbag main harness circuit (Driver) is shorted to the power supply.
 Airbag module harness (Driver) is shorted to the power supply.
 Roll connector is shorted to the power supply.
 Driver’s airbag module 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 driver’s airbag module and passenger’s
airbag module connectors for safety reasons.
WIRING DIAGRAM:
AB-00741
AB3
AB21
AB26
AB222
11
14
13
AB21AB3AB2
1212
AIRBAG CONTROL MODULE
STEERING
ROLL CONNECTOR
INFLATOR
(DRIVER SIDE)
1234567891011121314151617
1819202122232425262728

AB-52
AIRBAG SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
D: DTC 16
DIAGNOSIS:
 Airbag main harness circuit (Passenger) is shorted to the power supply.
 Airbag module harness (Passenger) is shorted to the power supply.
 Passenger’s airbag module 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.
WIRING DIAGRAM:
AB-00742
AB3 INFLATOR
(PASSENGER SIDE)
AB4
AB4
AB27
11
10 3
47
8
1
2
AIRBAG CONTROL MODULEAB3
12341234567891011121314151617
1819202122232425262728