Subaru Legacy 2004 Service Manual page 3546

AIRBAG SYSTEM (DIAGNOSTICS)
J: DTC 31
DTC DETECTING CONDITION:
• 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 OFF, disconnect the
ground terminal from the 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 airbag module connector of the driver's
and passenger's seats for safety reasons.
WIRING DIAGRAM:
AB16
Diagnostic Chart with Trouble Code
AB6
AB6
1 2 3
1 2
7 8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28
AIRBAG CONTROL MODULE
AB16
FRONT SUB SENSOR RH
4 5 6
AB(diag)-56
AB-00667