Subaru B9 TRIBECA WX 2007 Manual page 143

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AIRBAG SYSTEM (DIAGNOSTICS)
Step
1 CHECK AIRBAG CONTROL MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than 20
seconds.
2) Disconnect the connector (AB6) from airbag
control module.
3) Connect the connector (1U) in the test har-
ness U to connector (AB6).
4) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 1 (+) — Chassis ground (–):
2 CHECK FUSE NO. 12 (IN JOINT BOX).
1) Confirm that the ignition switch is turned to
OFF.
2) Remove the fuse No. 12 (in joint box) and
perform visual inspection.
3 CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the Inspection Mode.
4) Read the DTC.
4 CHECK ANY OTHER DTC ON DISPLAY.
Diagnostic Chart with Trouble Code
Is the voltage 10 V or more?
Is the fuse No. 12 blown out?
Is the same DTC displayed?
Is any other DTC displayed?
AB(diag)-68
Check Yes
Replace the airbag
control module.
<Ref. to AB-19,
Airbag Control
Module.>
Replace the fuse
No. 12. If fuse No.
12 is blown out
again, repair the
body harness.
Replace the airbag
main harness
along with body
harness.
Replace the airbag
control module.
<Ref. to AB-19,
Airbag Control
Module.>
Check DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
AB(diag)-47, List
of Diagnostic Trou-
ble Code (DTC).>
No
Go to step 2.
Go to step 3.
Go to step 4.
Finish the diagno-
sis.