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AIRBAG SYSTEM (DIAGNOSTICS)
Step
1
CHECK AIRBAG CONTROL MODULE.
1) Turn the ignition switch OFF, disconnect the
battery ground cable, and wait more than 20
seconds.
2) Disconnect the connector (AB6) from air-
bag control module.
3) Connect the connector (1U) in the test har-
ness U to connector (AB6).
4) Connect the battery ground cable and turn
the ignition switch to ON.
5) Measure the resistance between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 1 (+) — Chassis ground (
2
CHECK FUSE No. 25 (IN JOINT BOX).
1) Confirm that the ignition switch is turned
OFF.
2) Remove the fuse No. 25 (in joint box) and
perform visual inspection.
Diagnostic Chart with Trouble Code
Is the voltage more than 10 V? Replace the airbag
−
):
Is the fuse No. 25 blown out?
AB(diag)-54
Check
control module.
<Ref. to AB-22,
Airbag Control
Module.>
Replace the fuse
No. 25. If the fuse
No. 25 is blown
again, repair the
bulkhead harness.
Or replace the air-
bag main harness
with body harness.
Yes
No
Go to step 2.
Repair the body
harness.
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