Subaru Impreza 2003 Service Manual page 2889

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
M: DTC 42
DIAGNOSIS:
• Side airbag harness (LH) is faulty.
• Side airbag module (LH) 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 driver's airbag module and passenger's
airbag module connectors for safety reasons.
• When inspecting the side airbag harness, disconnect the side airbag module connector and seat
belt pretensioner connector for the safety reasons.
WIRING DIAGRAM:
AB9 AB10
1 2
1
3
AB7
INFLATOR
(SIDE LH)
AB7
2 1 2 3 4 5 6
4 7 8 9 10 11 12
AIRBAG CONTROL MODULE
AB9
AB10
AB29
SIDE AIRBAG
SENSOR LH
AB-63
AIRBAG SYSTEM (DIAGNOSTICS)
AB-00566