Subaru IMPREZA GD 2007 Series Manual page 3627

asieps_tobira_IM_US.book 84 ページ ２０１２年１月１７日 火曜日 午後３時４８分
AIRBAG SYSTEM (DIAGNOSTICS)
Step
1 CHECK POOR CONTACT OF CONNECTORS.
Check for poor contact of the connectors
between the airbag control module, side airbag
module (RH) and the side airbag sensor (RH).
2 CHECK SIDE AIRBAG MODULE.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait for 20 sec-
onds or more.
2) Disconnect connector (AB11) from side air-
bag module (RH), and connect connector (1F)
in test harness F to connector (AB11).
3) Connect the airbag resistor to the connector
(3F) of test harness F.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
3 CHECK SIDE AIRBAG HARNESS (RH).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait for 20 sec-
onds or more.
2) Disconnect connector (AB20) from seat belt
pretensioner (RH).
3) Disconnect the airbag resistor from test har-
ness.
4) Disconnect the connector (AB8) from airbag
control module.
5) Connect the connector (1R) in the test har-
ness R to connector (AB8).
6) Connect the battery ground terminal and
turn the ignition switch to ON.
7) Measure the voltage between connector
(3R) in the test harness R and chassis ground.
Connector & terminal
(3R) No. 18 (+) — Chassis ground (–):
(3R) No. 20 (+) — Chassis ground (–):
4 CHECK AIRBAG CONTROL MODULE.
1) Connect all connectors.
2) Erase the memory.
3) Perform the Inspection Mode.
4) Read the DTC.
5 CHECK FOR ANY OTHER DTC ON DISPLAY. Is any other DTC displayed?
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?
AB(diag)-84
Check Yes
Replace the side
airbag harness
(RH) along with the
body harness.
Replace the side
airbag module
(RH). <Ref. to AB-
15, REMOVAL,
Side Airbag Mod-
ule.>
Go to step 4.
Replace the airbag
control module.
<Ref. to AB-17,
Airbag Control
Module.>
Check DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
AB(diag)-43, List
of Diagnostic Trou-
ble Code (DTC).>
No
Go to step 2.
Go to step 3.
Replace the side
airbag harness
along with the body
harness.
Go to step 5.
Finish the diagno-
sis.