Subaru Legacy 2004 Service Manual page 3580

AIRBAG SYSTEM (DIAGNOSTICS)
AB:DTC 62
DTC DETECTING CONDITION:
• Seat belt pretensioner (LH) circuit is open, shorted or shorted to ground.
• Airbag control module is faulty.
• Pretensioner is faulty.
• Pretensioner harness 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 rear harness, disconnect the side airbag module connector, curtain
airbag module connector and seat belt pretensioner connector for safety reasons.
WIRING DIAGRAM:
WITH CURTAIN AIRBAG
*
1 : 6
*
2 : 5
WITHOUT CURTAIN AIRBAG
*
1 : 2
*
2 : 1
Diagnostic Chart with Trouble Code
AB17 AIRBAG CONTROL MODULE
PRETENSIONER LH
AB21 AB17
1 2
1 2
5 6 7 8 9 10 11 12
13 14 15 16 17 18 19
(WITH CURTAIN AIRBAG)
AB(diag)-90
AB21
AB17
3 4
1 2 3 4 5 6
7 8 9 10 11 12
20
(WITHOUT CURTAIN AIRBAG)
AB-00776