Subaru Legacy 2005 Service Manual page 4199

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
11 CHECK HARNESS.
1) Disconnect the combination meter connec-
tor.
2) Measure the resistance between the junc-
tion connector and the combination meter con-
nector.
Connector & terminal
(i10) No. 21 — (i77) No. 1 — 6:
(i10) No. 22 — (i77) No. 7 — 12:
NOTE:
The junction connector of i77 are in user de-
fined alignment.
12 CHECK HARNESS.
1) Disconnect the body integrated unit con-
nector (B280) and auto A/C control module
connector (B283).
2) Measure the resistance between body inte-
grated unit connector and auto A/C control
module connector.
Connector & terminal
(B283) No. 1 — (B280) No. 26:
(B283) No. 11 — (B280) No. 25:
13 CHECK HARNESS.
1) Connect the junction connector.
2) Measure the resistance between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 25 — Chassis ground:
(B280) No. 26 — Chassis ground:
(i84) No. 26 — Chassis ground:
(i84) No. 27 — Chassis ground:
14 CHECK HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between body inte-
grated unit connector and chassis ground.
Connector & terminal
(B280) No. 25 (+) — Chassis ground(
(B280) No. 26 (+) — Chassis ground(
(i84) No. 26 (+) — Chassis ground(
(i84) No. 27 (+) — Chassis ground(
Check
Is the resistance less than
10Ω?
Is the resistance less than
10Ω?
Is the resistance less than
10Ω?
Is the voltage 6 V or more?
−
):
−
):
−
):
−
):
LAN(diag)-69
LAN SYSTEM (DIAGNOSTICS)
Yes
Go to step 12. Repair the open
circuit of harness
or replace har-
ness.
Go to step 13. Repair the open
circuit of harness
or replace har-
ness.
Repair the short Go to step 14.
circuit of harness
or replace har-
ness.
Repair the short Replace the body
circuit of harness integrated unit.
or replace har- <Ref. to SL-44,
ness. REMOVAL, Body
Integrated Mod-
ule.>
No