Subaru Legacy 2003 Service Manual page 3647

DIAGNOSTIC CHART WITH DIAGNOSTIC TROUBLE CODE (DTC)
AIRBAG SYSTEM (DIAGNOSTICS)
P: DTC 51
DIAGNOSIS:
• Side airbag sensor (RH) is faulty.
• Side airbag harness (RH) is faulty.
• Airbag control module is faulty.
CAUTION:
• 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.
• Before replacing the airbag module, 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:
AB24 AB28
1 2
1 2
3 4
AB18 AIRBAG CONTROL MODULE
AB28
SIDE AIRBAG
SENSOR RH
AB18
1 2 3 4 5 6
7 8 9 10 11 12
AB-64
AB24
AB25
INFLATOR
(SIDE RH)
AB-00299