Subaru IMPREZA GD 2007 Series Manual page 3715

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Step
1 CHECK CLUTCH SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the clutch switch harness con-
nector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B107) No. 2 (+) — Chassis ground (–):
2 CHECK CLUTCH SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector of ECM.
3) Measure the resistance between clutch
switch harness connector terminal and ECM
harness connector terminal.
Connector & terminal
(B107) No. 1 — (B136) No. 25:
3 CHECK CLUTCH SWITCH.
Remove and check the clutch switch. <Ref. to
CC-7, Clutch Switch.>
Check
Is the voltage 10 V or more?
Is the resistance less than 10 Ω? Go to step 3.
Is clutch switch OK?
CC(ETC)(diag)-24
Yes No
Go to step 2. • Check fuse No.
18 (in fuse & relay
box).
• Check open or
shorted circuit of
harness between
clutch switch and
fuse & relay box.
Repair the har-
ness.
Clutch switch cir- Replace the clutch
cuit is OK. switch.