Subaru Legacy 2004 Service Manual page 3526

AIRBAG SYSTEM (DIAGNOSTICS)
Step
1 CHECK COMBINATION METER.
Turn the ignition switch to ON, and confirm that
warning lights equipped in the combination
meter are turned on.
2 CHECK FUSE NO. 5 (IN MAIN FUSE BOX).
Remove the fuse No. 5 and perform visual
inspection.
3 CHECK AIRBAG WARNING LIGHT CIRCUIT
(IN COMBINATION METER).
1) Turn the ignition switch OFF, disconnect the
battery ground terminal, and wait more than 20
seconds.
2) Disconnect the connector (AB1) from
(B31).
3) Connect the battery ground terminal and
turn the ignition switch ON.
4 CHECK AIRBAG MAIN HARNESS.
1) Turn the ignition switch OFF, disconnect the
battery ground terminal, and wait more than 20
seconds.
2) Connect the connector (AB1) to (B31).
3) Disconnect the connector (AB6) from air-
bag control module. <Ref. to AB-20, Airbag
Control Module.>
4) Connect the battery ground terminal and
turn the ignition switch ON.
Airbag Warning Light Failure
Do warning lights other than
the airbag turn on?
Is the fuse No. 5 (in main fuse
box) blown out?
Does the airbag warning light
turn on?
Does the airbag warning light
turn on?
AB(diag)-36
Check Yes
Go to step 2.
Replace the fuse
No. 5. If the fuse
No. 5 is blown
again, go to step
3.
Go to step 4.
Replace the airbag
control module.
<Ref. to AB-20,
Airbag Control
Module.>
No
Repair the combi-
nation meter
power supply.
<Ref. to IDI-3,
Combination
Meter System.>
Go to step 3.
Replace the airbag
warning light bulb
or combination
meter printed cir-
cuit. <Ref. to IDI-
16, Combination
Meter Assembly.>
Replace the airbag
main harness with
body harness.