Subaru Legacy 2002 Service Manual page 3296

DIAGNOSTIC CHART WITH DIAGNOSTIC TROUBLE CODE (DTC)
No.
1 CHECK SIDE AIRBAG HARNESS (RH).
1) Turn the ignition switch OFF, disconnect
the battery ground cable, and wait more than
20 seconds.
2) Disconnect connector (AB26) from the seat
belt pretensioner (RH). <Ref. to SB-8, Front
Seat Belt.>
3) Disconnect connector (AB25) from (AB24).
4) Disconnect connector (AB18) from the air-
bag control module. <Ref. to AB-17, Airbag
Control Module.>
5) Connect connector (1I) in test harness I or
I2 to the connector (AB18).
6) Disconnect connector (AB28) from the side
airbag sensor (RH), and connect connector
(1G) in test harness G to connector (AB28).
7) Measure the resistance between connector
(3I) in test harness I or I2 and connector (3G)
in test harness G.
Connector & terminal
(3I) No. 17 — (3G) No. 2:
(3I) No. 18 — (3G) No. 4:
(3I) No. 19 — (3G) No. 1:
(3I) No. 20 — (3G) No. 5:
2 CHECK SIDE AIRBAG HARNESS (RH).
Measure the resistance between connector
(3I) in test harness I or I2 and the chassis
ground.
Connector & terminal
(3I) No. 17 — Chassis ground:
(3I) No. 18 — Chassis ground:
(3I) No. 19 — Chassis ground:
(3I) No. 20 — Chassis ground:
Step
Is the resistance less than
10 Ω?
Is the resistance more than
1 MΩ?
AB-67
Airbag System (Diagnostics)
Check Yes
Go to step 2.
Replace side air-
bag sensor (RH).
<Ref. to AB-18,
Side Airbag Sen-
sor.> When sen-
sor replacement is
not OK, replace
the airbag control
module. <Ref. to
AB-17, Airbag
Control Module.>
No
Replace side air-
bag harness.
<Ref. to AB-16,
Side Airbag Har-
ness.>
Replace side air-
bag harness.
<Ref. to AB-16,
Side Airbag Har-
ness.>