SUBARU FORESTER 2004 Service Repair Manual

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-21
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
5. Airbag Control Module I/O Signal
A: WIRING DIAGRAM
1. LHD MODEL
B31(BLACK)(GREEN)
(GREEN) (YELLOW)
(YELLOW)B82
WI-03204
7
6
2
3
8
GWGRGY
GY
R
GRGB
GRL
W
GYRGRLW
19
BB28
1
R
2354
653192
AIRBAG
CIRCUIT AIRBAG
WARNING LED
IG
IGNITION RELAY
(IG) FB-33
F/B FUSE No. 14
(IG)FB-20
F/B FUSE No. 11
(IG)FB-21
F/B FUSE No. 6
(IG)
L
GR
GW
W
B
GRGR5GR
GB
B9
C8
BB10
1
2
L
W
REF. TO GND(L)-04
CHECK
CONNECTOR
DIAGNOSIS
CONNECTOR
DIAGNOSIS
TERMINAL
B31
AB1
AIRBAG CONTROL MODULE
AB3
B81
B82
B79B38i3
B37i2
TO POWER SUPPLY ROUTING
(GRAY)
B79
1234567891011121314
B
B
12
3456
B37
AB3
COMBINATION
METER B: C:
i11i10
i11
i10 B: C:
A/B(L)-01
A/B(L)-01
12345678910
123456789101112131415161718192021222324252627282930
34 128910 11
12 13 14 15 16 17 18 19 20 21 22 23 24567
1234567891011121314151617
1819202122232425262728
1
34562
B38
219
32
1234 5610 11 12 13 14 15716
23 3019 20
22 26 27 28 29817
24 3118
25
REF. TO GND(L)-02
BB

AB-22
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
WI-03205
AIRBAG CONTROL MODULE
L1G2YBr 1BR
2
AB13 (YELLOW) (BLACK)
(YELLOW)(YELLOW) INFLATOR (DRIVER SIDE)STEERING
ROLL CONNECTOR FRONT SUB SENSOR LH
FRONT SUB SENSOR RH
INFLATOR (PASSENGER SIDE)
(YELLOW)AB15(YELLOW)AB3
(YELLOW)
AB18
AB2
AB3
AB15AB18
AB4
GA
LWG
YLYWYBY
AB21
AB26YL 2YW1
15 26
YBrBR
9 20
13 147 8
YL 2YW 1Y
2
BW
28
YB
1
YGYR
11 10
YR 4YG
3
1212
AB21
BW
GAB-1
B
27
B
A/B(L)-02
A/B(L)-02
1234567891011121314151617
1819202122232425262728
AB4
1
234
AB14
AB13
LW 2G1
AB2
21

AB-23
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
WI-03411
YB 1YG 2YB 6YG 5B9G12L10W7B10G7L9W12
YB 1YG 2YB 1YG 2B 4G 3L 2W
1B 4G
3L
2W 1
AB7AB8
AB10AB12AB9
YR
2YR 1
YR 1YR 2AB19
AB20AB12
AB10AB8AB7
AB19
AB11AB9 (YELLOW)
(YELLOW)(YELLOW)
(YELLOW)(YELLOW) (YELLOW) (YELLOW)
(YELLOW)
AB11
YR 5YR 6
YR 1YR 2AB20
AIRBAG CONTROL MODULE
SIDE AIR BAG
SENSOR RH SIDE AIR BAG
SENSOR LH
INFLATOR
(SIDE LH)INFLATOR
(SIDE RH)
1221
34
123456
78910111210 11 12
123456
789
PRETENSIONER
LHPRETENSIONER
RH
A/B(L)-03A/B(L)-03

AB-24
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
2. RHD MODEL
A/B(R)-01A/B(R)-01
WI-03206
7
6
2
3
8
GWGY
GY
R
GRGR
RGRL
W
YWLgRBR
10
BB20
65143
6
B
BW
2
2753192
IG
IGNITION RELAY
(IG)FB-36
F/B FUSE No. 14
(IG)FB-20
F/B FUSE No. 11
(IG)FB-21
F/B FUSE No. 6
(IG)
L
GR
GW
W
B
GYGY16GY
GR
B
B9
C8
B10
1
2
L
W
BL
BL
REF. TO GND(R)-04
REF. TO E/G(RNA)-05REF. TO E/G(RTB20)-05REF. TO E/G(RTB25)-05
CHECK
CONNECTOR
DIAGNOSIS
CONNECTOR
DIAGNOSIS
TERMINAL
B31
AB1
(GRAY)
B79
AIRBAG CONTROL MODULE
AB3
B81
B82
B79
B38i3
TO POWER SUPPLY ROUTING
1234567891011121314
GY
(BLACK)B82
B
REF. TO GND(R)-05
B
i3
B31(GREEN) i11 C:
B:
(GREEN)
i10
AIRBAG
CIRCUIT AIRBAG WARNING
LED LIGHT
COMBINATION
METER B: C:
i11i10
12
34561
3456212345678910
123456789101112131415161718192021222324252627282930
(YELLOW)
AB3
1234567891011121314151617
1819202122232425262728
(YELLOW)
219
32
1234
5610 11 12 13 14 15716
23 3019 20
22 26 27 28 29817
24 3118
25

AB-25
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Control Module I/O Signal
WI-03207
AIRBAG CONTROL MODULE
L1G2P1Br 2
INFLATOR (DRIVER SIDE)FRONT SUB SENSOR LH
FRONT SUB SENSOR RH
INFLATOR (PASSENGER SIDE)
AB2
AB3
AB15AB18
AB4
GA
LG
YYBYBY
AB14
AB13P2Br
PBr 1
15 26
PBR
9 20
13 147 8
Y 2YB 1Y 2
B
28
YB 1
YGYR
11 10
YR 4YG 3B
A/B(R)-02
A/B(R)-02
STEERING
ROLL CONNECTOR
AB21
AB26Y2YB 1
AB13 (YELLOW) (BLACK)
(YELLOW)(YELLOW) (YELLOW)AB15(YELLOW)AB3
(YELLOW)
AB18
1212
AB211234567891011121314151617
1819202122232425262728
AB4
1
234
AB2
21

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-27
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Connector
6. Airbag Connector
A: OPERATION
1. POWER SUPPLY
1) How to disconnect:
(1) Move the slide lock (A) in the direction of the
arrow.
(2) Pull the female connector in the direction of
the arrow with slide lock (A) moved.
CAUTION:
When pulling, be sure to hold onto the connec-
tor and not the wire.
2) How to connect:
Holding the connector (A), and push it in carefully
until a connecting sound is heard.
CAUTION:
Be sure to insert the connector in until it locks.
Then pull on it gently to make sure that it is
locked.
2. DRIVER’S AIRBAG (AIRBAG MAIN HAR-
NESS AND ROLL CONNECTOR), SIDE AIR-
BAG AND PRETENSIONER
1) How to disconnect:
(1) Push the lock arm (A).
(2) With the lock arm (A) pushed in, move the
slide lock (B) in the direction of the arrow.
(3) With the slide lock pulled, remove the lock
arm to its original position, and then pull in the
direction of the arrow and separate the connec-
tor.
CAUTION:
When pulling, be sure to hold onto the connec-
tor and not the wire.
2) How to connect:
Holding the connector, and push it in carefully until
a connecting sound is heard.
CAUTION:
Be sure to insert the connector in until it locks.
Then pull on it gently to make sure that it is
locked.
AB-00015
AB-00016
AB-00017
(A) (B)
AB-00018
AB-00019

AB-28
AIRBAG SYSTEM (DIAGNOSTIC)
Airbag Connector
3. DRIVER’S AIRBAG, PRETENSIONER
1) How to disconnect:
(1) Using a flat tip screwdriver, pry the push
lock upward to unlock.
(2) Pull the connector to disconnect from driv-
er’s side airbag module assembly.
2) How to connect:
Connect the connector in reverse order of discon-
necting. At this time, be sure to insert the connector
in until connecting sound is heard.
CAUTION:
 Be sure to insert the connector in until it
locks. Then pull on it gently to make sure that it
is locked.
 Be sure to insert the push lock.
4. PASSENGER’S AIRBAG
1) How to disconnect:
(1) Push the lock arm (A).
(2) With the lock arm (A) pushed in, pull the
connector in direction of arrow to separate.
CAUTION:
When disconnecting the connector, be sure to
hold onto the connector and not the wire.
2) How to connect:
Holding the connector, and push it in carefully until
a connecting sound is heard.
CAUTION:
Be sure to insert the connector in until it locks.
Then pull on it gently to make sure that it is
locked.
AB-00478
AB-00479
AB-00480
AB-00021
(A)
AB-00022
AB-00023