Subaru Impreza 2003 Service Manual page 2877

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
H: DTC 24
DIAGNOSIS:
• Airbag control module is faulty.
• Airbag main harness circuit is open.
• Fuse No, 11 (in joint box) is blown.
• Body harness circuit is open.
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 driver's airbag module and passenger's
airbag module connectors for safety reasons.
WIRING DIAGRAM:
1 : LHD MODEL: 1
RHD MODEL: 6
B31
1 2
3 4 5 6
B31
AB1
AB3 AIRBAG CONTROL MODULE
AB1
2 1
1 2 3
6 5 4 3
7 8 9
18 19 20
No.11
AB3
4 5 6
10 11 12 13 14 15 16 17
21 22 23 24 25 26 27 28
AB-51
AIRBAG SYSTEM (DIAGNOSTICS)
IGNITION
SWITCH
AB-00546