Subaru Legacy (2005 year). Service manual — part 896
AB(diag)-21
AIRBAG SYSTEM (DIAGNOSTICS)
Electrical Component Location
*1
: Model without curtain airbag
*2
: Model with curtain airbag
Connector
No.
(AB1)
(AB2)
(AB6)
(AB7)
(AB9)
(AB10)
(AB13)
(AB16)
(AB17)
(AB17)
(AB18)
(AB18)
Pin
6
4
28
4
4
4
2
2
12
*1
20
*2
12
*1
20
*2
Connector
color
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Yellow
Male/Female
Female
Female
Female
Male
Female
Male
Female Female Female
Female
Female Female
Connector
No.
(AB19)
(AB20)
(AB21)
(AB23)
(AB24)
(AB25)
(AB26)
(AB28)
(AB30)
(AB31)
(AB32)
(AB33)
Pin
2
2
2
4
2
2
2
4
2
2
4
2
Connector
color
Yellow
Yellow
Black
Yellow
Yellow
Yellow
Black
Yellow
Orange
Yellow
Yellow
Yellow
Male/Female
Female
Male
Female Female Female
Male
Female Female Female
Female
Female Female
Connector
No.
(AB34)
(AB37)
(AB37)
(AB39)
(AB40)
Pin
4
2
2
2
2
Connector
color
Yellow
Orange
Black
Yellow
Yellow
Male/Female
Female
Female
Female
Male
Male
AB(diag)-22
AIRBAG SYSTEM (DIAGNOSTICS)
Airbag Control Module I/O Signal
5. Airbag Control Module I/O Signal
A: SPECIFICATION
1. MODEL WITHOUT CURTAIN AIRBAG
• Terminal numbers in airbag control module connector are shown in the figure.
• Airbag warning light illuminates when the connector is removed from airbag control module.
Item
Control module terminal No.
Terminal marks
Check connector
(1)-2
CLR
(1)-19
DIG
Combination meter
(1)-3
LMP
Battery power supply
(1)-5
IG2
(1)-6
IG1
Passenger’s airbag module
1st stage output
(1)-10
PQ+
1st stage input
(1)-11
PQ
−
Passenger’s airbag module
2nd stage output
(1)-8
P2+
2nd stage input
(1)-7
P2
−
Driver’s airbag module
1st stage output
(1)-14
DQ+
1st stage input
(1)-13
DQ
−
Driver’s airbag module
2nd stage output
(1)-16
D2+
2nd stage input
(1)-17
D2
−
Front sub sensor LH
(1)-15
SL+
(1)-26
SL
−
Front sub sensor RH
(1)-9
SR+
(1)-20
SR
−
GND
(1)-27
GND
(1)-28
GND
Seat belt pretensioner LH
(2)-6
PL+
(2)-5
PL
−
Side airbag sensor LH
(2)-16
VUPL
(2)-18
ESL
(2)-17
SSL+
(2)-20
SSL
−
Side airbag module LH
(2)-10
FL+
(2)-9
FL
−
AB-01085
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
15
18
19
20
21
22
23
24
25
26
27
28
(3)
(1)
(2)
AB(diag)-23
AIRBAG SYSTEM (DIAGNOSTICS)
Airbag Control Module I/O Signal
2. MODEL WITH CURTAIN AIRBAG
• Terminal numbers in airbag control module connector are shown in the figure.
• Airbag warning light illuminates when the connector is removed from airbag control module.
Seat belt pretensioner RH
(3)-11
PR+
(3)-12
PR
−
Side airbag sensor RH
(3)-17
VUPR
(3)-15
ESR
(3)-16
SSR+
(3)-13
SSR
−
Side airbag module RH
(3)-7
FR+
(3)-8
FR
−
Item
Control module terminal No.
Terminal marks
Check connector
(1)-2
CLR
(1)-19
DIG
Combination meter
(1)-3
LMP
Battery power supply
(1)-5
IG2
(1)-6
IG1
Passenger’s airbag module
1st stage output
(1)-10
PQ+
1st stage input
(1)-11
PQ
−
Passenger’s airbag module
2nd stage output
(1)-8
P2+
2nd stage input
(1)-7
P2
−
Driver’s airbag module
1st stage output
(1)-14
DQ+
1st stage input
(1)-13
DQ
−
Driver’s airbag module
2nd stage output
(1)-16
D2+
2nd stage input
(1)-17
D2
−
Front sub sensor LH
(1)-15
SL+
(1)-26
SL
−
Front sub sensor RH
(1)-9
SR+
(1)-20
SR
−
GND
(1)-27
GND
(1)-28
GND
Item
Control module terminal No.
Terminal marks
AB-00937
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
(1)
(2)
(3)
AB(diag)-24
AIRBAG SYSTEM (DIAGNOSTICS)
Airbag Control Module I/O Signal
Seat belt pretensioner LH
(2)-6
PL+
(2)-5
PL
−
Side airbag sensor LH
(2)-16
VUPL
(2)-18
ESL
(2)-17
SSL+
(2)-20
SSL
−
Side airbag module LH
(2)-10
FL+
(2)-9
FL
−
Curtain airbag sensor LH
(2)-14
VUCL
(2)-13
ESCL
(2)-15
CSL+
(2)-1
CSL
−
Curtain airbag module LH
(2)-11
ICL+
(2)-12
ICL
−
Seat belt pretensioner RH
(3)-11
PR+
(3)-12
PR
−
Side airbag sensor RH
(3)-17
VUPR
(3)-15
ESR
(3)-16
SSR+
(3)-13
SSR
−
Side airbag module RH
(3)-7
FR+
(3)-8
FR
−
Curtain airbag sensor RH
(3)-19
VUCR+
(3)-20
ESCR
(3)-18
CSR+
(3)-4
CSR
−
Curtain airbag module RH
(3)-6
ICR+
(3)-5
ICR
−
Lap seat belt pretensioner RH
(3)-10
LPR+
(3)-9
LPR
−
Item
Control module terminal No.
Terminal marks
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