Subaru 2009 IMPREZA Service Manual page 2870

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AD:DTC 71 DRIVER'S AIRBAG FAILURE

DTC DETECTING CONDITION:

• Airbag main harness circuit is open, shorted or shorted to ground.

• Airbag module harness (Driver's side) circuit is open, shorted or shorted to ground.

• Roll connector circuit is open, shorted or shorted to ground.

• Driver's airbag module is faulty.

• Airbag control module is faulty.

• Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the

ground terminal from battery, and wait 20 seconds or more before starting to work.

• When replacing the airbag module, seat belt pretensioner, roll connector, control module and sen-

sor, reconnect each part and check that the warning light operates properly.

• When inspecting the airbag main harness, disconnect the airbag module connectors of the driver's

and passenger's seats for safety.

• When inspecting the airbag rear harness, disconnect the side airbag module connector, curtain

airbag module connector and seat belt pretensioner connector for safety reasons.

Prior to starting work, prepare two airbag resistors (98299PA040).

WIRING DIAGRAM:

Diagnostic Chart with Trouble Code

AIRBAG CONTROL MODULE

ROLL CONNECTOR

AIRBAG MODULE

AIRBAG SYSTEM (DIAGNOSTICS)

5 6 7 8 9 10

21 22 23 24 25 26 27 28