Subaru Impreza 2002 Service Manual page 3716

Step
1 CHECK POWER SUPPLY.
1)Turn the ignition switch to OFF.
2)Disconnect the cruise control module har-
ness connector.
3)Turn the ignition switch to ON.
4)Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B94) No. 12 (+) — Chassis ground ( − − − − ):
2 CHECK GROUND CIRCUIT.
1)Turn the ignition switch OFF.
2)Measure the resistance between harness
connector terminal and chassis ground.
Connector & terminal
(B94) No. 6 — Chassis ground:
DIAGNOSTICS CHART WITH SYMPTOM
Is the voltage more than 10 V? Go to step 2.
Is the resistance less than 10
Ω?
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Check
CC-17
Yes
• Check the fuse
No. 18 (in fuse &
relay box).
• Check the har-
ness for open or
short between
cruise control
module and fuse &
relay box.
Power supply and Repair the har-
ground circuit are ness.
OK.
No