Subaru LEGACY 2004 Service Manual page 751

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK FUSE (No. 7).
1) Turn the ignition switch to OFF.
2) Remove the fuse (No. 7).
2 CONTINUITY CHECK OF WIRING HAR-
NESS.
1) Disconnect the connector (B281) from body
integrated unit.
2) Measure the voltage between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B281) No. 2 (+) — Chassis ground (
3 CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in body
4 CHECK BODY INTEGRATED UNIT HAR-
NESS.
1) Connect all the connectors.
2) Perform the clear memory mode.
3) Read DTC.
Check
Is the fuse blown out?
Is the voltage more than 10 V? Go to step 3.
!
):
integrated unit connector?
Is the same DTC displayed?
LAN(diag)-35
LAN SYSTEM (DIAGNOSTICS)
Yes
Replace the fuse Go to step 2.
(No. 7). If the
replaced fuse has
blown out easily,
repair the short cir-
cuit in harness
between fuse (No.
7) and body inte-
grated unit.
Repair the har-
ness for open or
shorted circuit
between body inte-
grated unit and
fuse.
Repair the poor Go to step 4.
contact connector.
Replace the body Temporary poor
integrated unit. contact occurs.
<Ref. to SL-46,
Body Integrated
Unit.>
No