Subaru Impreza 2003 Service Manual page 2871

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
C: DTC 15
DIAGNOSIS:
• Airbag main harness circuit (Driver) is shorted to the power supply.
• Airbag module harness (Driver) is shorted to the power supply.
• Roll connector is shorted to the power supply.
• Driver's airbag module 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.
WIRING DIAGRAM:
AB21 (YELLOW)
1 2
1 2 3
7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28
AB3 AIRBAG CONTROL MODULE
(DRIVER SIDE)
AB3 (YELLOW) AB2
1 2
4 5 6
AB21
AB26
STEERING
ROLL CONNECTOR
AB2
INFLATOR
AB-45
AIRBAG SYSTEM (DIAGNOSTICS)
AB-00534