Subaru Forester 2004 - Page 558

CC(H4SO)-26
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK INHIBITOR SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the inhibitor switch harness
connector.
3) Turn the ignition switch to ON.
4) Turn the cruise control main switch to ON.
5) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(T7) No. 12 (+) — Chassis ground (
− ):
Is the voltage more than 10 V? Go to step 2. Check the harness
for open or short
between inhibitor
switch and cruise
control module.
2 CHECK INHIBITOR SWITCH CIRCUIT.
1) Turn the cruise control main switch and
ignition switch to OFF.
2) Disconnect the starter motor harness con-
nector.
3) Measure the resistance between inhibitor
switch harness connector terminal and starter
motor harness connector terminal.
Connector & terminal
(T7) No. 7 — (B14) No. 1:
Is the resistance less than 10
Ω?
Go to step 3. Repair the har-
ness.
3 CHECK INHIBITOR SWITCH.
Remove and check the inhibitor switch. <Ref.
to CC-12, Inhibitor Switch (AT model).>
Is the inhibitor switch OK? Inhibitor switch cir-
cuit is OK.
Replace the inhibi-
tor switch.