Subaru Legacy 2004 Service Manual page 3563

Q: DTC 46
DTC DETECTING CONDITION:
• Side airbag harness (LH) is shorted to power supply.
• Airbag control module is faulty.
CAUTION:
• Before diagnosing the airbag system, be sure to turn the ignition switch OFF, disconnect the
ground terminal 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 airbag module connector of the driver's
and passenger's seats for safety reasons.
• When inspecting the airbag rear harness, disconnect the side airbag module connector, curtain
airbag module connector and seat belt pretensioner connector for safety reasons.
WIRING DIAGRAM:
:
WC
WITH CURTAIN AIRBAG
:
OC WITHOUT CURTAIN AIRBAG
AB23
AB19
1 2
1 2 3 4
Diagnostic Chart with Trouble Code
AB17 AIRBAG CONTROL MODULE
WC
OC
AB19
AB20
INFLATOR
(SIDE LH)
AB17
1 2 3 4
5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20
(WITH CURTAIN AIRBAG)
AB(diag)-73
AIRBAG SYSTEM (DIAGNOSTICS)
AB23
SIDE AIRBAG
SENSOR LH
AB17
1 2 3 4 5 6
7 8 9 10 11 12
(WITHOUT CURTAIN AIRBAG)
AB-00774