Subaru IMPREZA GD 2007 Series Manual page 3582

asieps_tobira_IM_US.book 39 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Step
3 CHECK AIRBAG MAIN HARNESS.
1) Remove the instrument panel lower cover
and disconnect the connectors (AB26) and
(AB2).
2) Remove the console side cover lower on the
passenger's side and disconnect the connec-
tors (AB27) and (AB4).
3) Disconnect the connector (AB3) from airbag
control module, and connect the connector (1R)
in the test harness R.
4) Connect the battery ground terminal and
turn the ignition switch to ON.
5) Connect two connectors, (5R) and (6R) in
the test harness R.
NOTE:
After the problem has been eliminated, discon-
nect connectors (5R) and (6R).
4 CHECK GROUND CIRCUIT.
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait for 20 sec-
onds or more.
2) Disconnect the connector (AB3) from airbag
control module.
3) Connect the connector (1R) in the test har-
ness R to body harness connector (AB3).
4) Measure resistance between connector
(2R) in the test harness R and chassis ground.
Connector & terminal
(2R) No. 10 — Chassis ground:
(2R) No. 11 — Chassis ground:
5 CHECK AIRBAG MAIN HARNESS.
1) Disconnect the connectors (5R) and (6R).
2) Remove the combination meter.
3) Measure resistance between connector
(i11) and connector (2R) in the test harness R.
Connector & terminal
(2R) No. 7 — (i11) No. 8:
6 CHECK POOR CONTACT OF CONNECTORS
(AB1) AND (B31).
1) Turn the ignition switch to OFF, disconnect
the battery ground cable, and wait for 20 sec-
onds or more.
2) Confirm that there is a firm contact between
connectors (AB1) and (B31).
7 CHECK AIRBAG MAIN HARNESS.
Check the airbag main harness for defect.
Airbag Warning Light Failure
Check
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 in connec-
tors (AB1) and (B31)?
Is there any defect in the airbag
main harness?
AB(diag)-39
AIRBAG SYSTEM (DIAGNOSTICS)
Yes No
Go to step 4. Go to step 5.
Replace the airbag Repair the chassis
control module. ground circuit.
<Ref. to AB-17,
Airbag Control
Module.>
Check the combi- Go to step 6.
nation meter.
Go to step 7.
Repair the body
harness or replace
the airbag main
harness along with
body harness.
Replace the airbag Repair the body
main harness harness.
along with body
harness.