Subaru B9 TRIBECA WX 2007 Manual page 137

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AIRBAG SYSTEM (DIAGNOSTICS)
Step
1 CHECK POOR CONTACT OF CONNEC-
TORS.
Check for poor contact of the connectors
between the airbag control module and the pas-
senger's airbag module.
2 CHECK PASSENGER'S AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than 20
seconds.
2) Remove the console side cover lower on the
passenger's side.
3) Disconnect the connector (AB10) from
(AB9).
4) Connect the connector (1P) in the test har-
ness P to connector (AB9).
5) Connect the airbag resistor to the connec-
tors (2P) and (3P) of test harness P.
6) Connect the battery ground terminal and
turn the ignition switch to ON.
3 CHECK AIRBAG MAIN HARNESS (PASSEN-
GER'S AIRBAG HARNESS).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait more than 20
seconds.
2) Disconnect the airbag resistor from the con-
nectors (2P) and (3P) of test harness P.
3) Remove the instrument panel lower cover
and disconnect the connector (AB7) from
(AB2).
4) Disconnect the connector (AB6) from the
airbag control module, and connect the connec-
tor (1U) in the test harness U.
5) Measure the voltage between connector
(2U) in the test harness U and chassis ground.
Connector & terminal
(2U) No. 3 (+) — Chassis ground (–):
(2U) No. 5 (+) — Chassis ground (–):
(2U) No. 9 (+) — Chassis ground (–):
(2U) No. 13 (+) — Chassis ground (–):
4 CHECK AIRBAG CONTROL MODULE.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the Inspection Mode.
4) Read the DTC.
5 CHECK ANY OTHER DTC ON DISPLAY.
Diagnostic Chart with Trouble Code
Is there poor contact?
Does the airbag warning light
illuminate for 6 seconds and go
off?
Is the voltage less than 1 V?
Is the same DTC displayed?
Is any other DTC displayed?
AB(diag)-62
Check Yes
Replace the airbag
harness along with
chassis harness.
Replace the pas-
senger's airbag
module. <Ref. to
AB-15, Passen-
ger's Airbag Mod-
ule.>
Go to step 4.
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.
Replace the airbag
main harness
along with body
harness.
Go to step 5.
Finish the diagno-
sis.