Subaru B9 TRIBECA WX 2007 Manual page 657

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
Step
1 CHECK HARNESS.
1) Disconnect the body integrated unit connec-
tor (i84) and keyless entry control module con-
nector (i96).
2) Measure the resistance between har-
nesses.
Connector & terminal
(i84) No. 9 — (i96) No. 3:
2 CHECK HARNESS.
Measure the resistance between harness con-
nector and chassis ground.
Connector & terminal
(i84) No. 9 — Chassis ground:
3 CHECK HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between harness con-
nector and chassis ground.
Connector & terminal
(i84) No. 9 (+) — Chassis ground (–):
4 OPERATION CHECK
Check the door lock operation when the doors
LOCK/UNLOCK using manual LOCK switch.
5 OPERATION CHECK
1) Disconnect the key warning switch connec-
tor (B350).
2) Close all the doors, and then perform the
LOCK/UNLOCK operation on keyless entry
operation.
Check
Is the resistance less than 10
Ω?
Is the resistance less than 1
MΩ?
Is the voltage 6 V or more?
Does it operate on switch oper-
ation?
Does it operate?
LAN(diag)-82
Yes No
Go to step 2. Repair the open
circuit of harness
or replace har-
ness.
Go to step 3.
Repair the short
circuit of harness
or replace har-
ness.
Repair the short Go to step 4.
circuit of harness
or replace har-
ness.
Go to step 5.
Replace the body
integrated unit.
<Ref. to SL-51,
REMOVAL, Body
Integrated Unit.>
Check key warning Replace the key-
switch. less entry control
module. <Ref. to
SL-49, REMOVAL,
Keyless Entry Con-
trol Module.>