Subaru Legacy 2005 Service Manual page 4175

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK HARNESS.
1) Disconnect the body integrated module
connector.
2) Measure the voltage between body inte-
grated module connector and chassis ground.
Connector & terminal
(B280) No. 13 (+) — Chassis ground (
2 CHECK HARNESS.
1) Disconnect the body integrated module
connector.
2) Disconnect the rear fog light relay.
3) Measure the resistance between body inte-
grated module connector and rear fog light
relay connector.
Connector & terminal
(B280) No. 13 — (B225) No. 27:
3 CHECK HARNESS.
1) Disconnect the body integrated module
connector.
2) Disconnect the rear fog light relay.
3) Measure the resistance between body inte-
grated module connector and chassis ground.
Connector & terminal
(B280) No. 13 — Chassis ground:
Check
Is the voltage 10 — 13 V?
−
):
Is the resistance less than 1
Ω?
Is the resistance more than 1
MΩ?
LAN(diag)-45
LAN SYSTEM (DIAGNOSTICS)
Yes
Temporary poor Go to step 2.
contact.
Go to step 3. Repair the open or
short circuit of har-
ness.
Replace the body Repair or replace
integrated mod- the short circuit of
ule. <Ref. to SL- harness.
44, Body Inte-
grated Module.>
No