Subaru Legacy 2002 Service Manual page 3324

No.
1 CHECK CRUISE CONTROL MAIN SWITCH
CIRCUIT.
1) Turn ignition switch OFF.
2) Disconnect cruise control main switch har-
ness connector.
3) Turn ignition switch ON.
4) Measure voltage between harness connec-
tor terminal and chassis ground.
Connector & terminal
(i19) No. 3 (+) — Chassis ground (−):
2 CHECK CRUISE CONTROL MAIN SWITCH
CIRCUIT.
1) Turn ignition switch OFF.
2) Disconnect cruise control module harness
connector.
3) Measure resistance between cruise control
module harness connector terminal and cruise
control main switch harness connector termi-
nal.
Connector & terminal
(B94) No. 15 (+) — (i19) No. 5 (−):
(B94) No. 1 (+) — (i19) No. 6 (−):
(B94) No. 11(+) — (i19) No. 1 (−):
3 CHECK CRUISE CONTROL MAIN SWITCH.
Remove and check cruise control main
switch. <Ref. to CC-7, Cruise Control Main
Switch.>
DIAGNOSTICS CHART WITH SYMPTOM
Step Check
Is the voltage more than 10
V?
Is the resistance less than
10 Ω?
Is cruise control main
switch OK?
CC-17
Cruise Control System (Diagnostics)
Yes
¼ Check fuse No.
Go to step 2.
18 (in fuse & relay
box).
¼ Check harness
for open or short
between cruise
control main
switch and fuse &
relay box.
Go to step 3. Repair harness.
Replace cruise Replace cruise
control module. control main
switch.
No