Subaru Legacy 2002 Service Manual page 3289

DIAGNOSTIC CHART WITH DIAGNOSTIC TROUBLE CODE (DTC)
Airbag System (Diagnostics)
M: DTC 42
S002811I98
DIAGNOSIS:
¼ Side airbag harness (LH) is faulty.
¼ Side airbag module (LH) is faulty.
¼ Airbag control module is faulty.
CAUTION:
¼ Before diagnosing the airbag system, be sure to turn the ignition switch OFF, disconnect the
ground cable from the battery, and wait more than 20 seconds before starting to work.
¼ Before replacing the airbag module, roll connector, control module, and sensor, reconnect each
part and confirm that the warning light operates properly.
¼ When inspecting the airbag main harness, disconnect the driver's airbag module and passenger's
airbag module connectors for safety reasons.
¼ When inspecting the side airbag harness, disconnect the side airbag module connector and seat
belt pretensioner connector for the safety reasons.
WIRING DIAGRAM:
B5M1217
AB-60