Subaru Impreza 2002 Service Manual page 3315

AIRBAG SYSTEM (DIAGNOSTICS)
B: AIRBAG WARNING LIGHT REMAINS OFF.
DIAGNOSIS:
• Fuse No. 13 (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.
• Before replacing the airbag module, seat belt pretensioner roll connector, control module, and
sensor, reconnect each part and confirm that the 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:
1 : LHD MODEL: 3
RHD MODEL: 1
B31
1 2 1 2 3
3 4 5 6 7 8 9 10 11 12 13 14
AIRBAG WARNING LIGHT FAILURE
B31
AB1
AB6
AIRBAG CONTROL MODULE
I12
4 5 6
1 2 3
7 8 9 10 11 12 13 14 15
18 19 20 21
NO.13
A7
AIRBAG
AIRBAG
CIRCUIT
INDICATOR
A6
LIGHT
A:
I10
B: I12
AB6
4 5 6 1 2 3 4 5 6 7
16 17 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
22 23 24 25 26 27 28
AB-36
IG SW
I10
8 9 10 11 12 13 14
RE0024