Subaru B9 TRIBECA WX 2007 Manual page 118

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Step
1 READ DTC.
Read the DTC. <Ref. to AB(diag)-32, READ
DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
2 CHECK POOR CONTACT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than 20
seconds.
2) Confirm that there is solid connection
between the airbag control module and connec-
tor (AB6).
3 CHECK AIRBAG MAIN HARNESS.
1) Remove the instrument panel lower cover
and disconnect the connectors (AB7) and
(AB2).
2) Remove the console side cover lower on the
passenger's side and disconnect the connec-
tors (AB10) and (AB9).
3) Disconnect the connector (AB6) from the
airbag control module, and connect the connec-
tor (1U) in the test harness U.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Connect the connectors (7U) and (8U) in the
test harness U.
NOTE:
After the fault has been cleared, disconnect the
connectors (7U) and (8U).
4 CHECK GROUND CIRCUIT.
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 body harness connector (AB6).
4) Measure the resistance between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 10 — Chassis ground:
(2U) No. 11 — Chassis ground:
5 CHECK AIRBAG MAIN HARNESS AND
BULKHEAD HARNESS.
1) Disconnect the connectors (7U) and (8U).
2) Remove the combination meter.
3) Measure the resistance between connector
(i11) and connector (2U) in the test harness U.
Connector & terminal
(2U) No. 7 — (i11) No. 12:
6 CHECK POOR CONTACT OF CONNECTORS
(AB) AND (B31).
1) Turn the ignition switch to OFF, disconnect
the battery ground terminal, and wait more than
20 seconds.
2) Confirm that there is a firm contact between
connectors (AB) and (B31).
Airbag Warning Light Failure
Check
Is DTC displayed?
Is there poor contact in connec-
tor (AB6)?
Does the airbag warning light
go off?
Is the resistance less than 10
Ω?
Is the resistance less than 10
Ω?
Is there poor contact between
connectors (AB) and (B31)?
AB(diag)-43
AIRBAG SYSTEM (DIAGNOSTICS)
Yes No
Perform the diag- Go to step 2.
nosis according to
DTC.
If the poor contact Go to step 3.
of the connector is
not fixed, replace
the airbag main
harness along with
body harness or
replace the airbag
control module.
<Ref. to AB-19,
Airbag Control
Module.>
Go to step 4. Go to step 5.
Replace the airbag Repair the chassis
control module. ground circuit.
<Ref. to AB-19,
Airbag Control
Module.>
Check the combi- Go to step 6.
nation meter.
Repair the bulk- Go to step 7.
head harness or
replace the airbag
main harness
along with body
harness.