Subaru Impreza 2002 Service Manual page 3333

AIRBAG SYSTEM (DIAGNOSTICS)
J: DTC 31
DIAGNOSIS:
• Front sub-sensor harness (RH) circuit is shorted.
• Front sub-sensor harness (RH) circuit is open.
• Front sub-sensor (RH) 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:
AB14
1 2
DIAGNOSTIC CHART WITH TROUBLE CODE
AB6
AB16
1 2 3
1 2
7 8 9 10 11 12 13 14 15
18 19 20 21 22
AIRBAG CONTROL MODULE
AB14
AB15
AB16
FRONT SUB SENSOR RH
AB6
4 5 6
16 17
23 24 25 26 27 28
AB-54
RE0029