CC(H4SO)-20
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step
Check
Yes
No
1
CHECK SET/COAST SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control module har-
ness connector.
3) Measure the voltage between harness con-
nector terminal and chassis ground when SET/
COAST switch is pressed and not pressed.
Connector & terminal
(B94) No. 10 (+) — Chassis ground (
−
):
Is the voltage 0 V when the
SET/COAST switch is not
pressed? Is the voltage more
than 10 V when the SET/
COAST switch is pressed?
2
CHECK RESUME/ACCEL SWITCH CIRCUIT.
Measure the voltage between harness connec-
tor terminal and chassis ground when
RESUME/ACCEL switch is pressed and not
pressed.
Connector & terminal
(B94) No. 9 (+) — Chassis ground (
−
):
Is the voltage 0 V when the
RESUME/ACCEL switch is not
pressed? Is the voltage more
than 10 V when the RESUME/
ACCEL switch is pressed?
3
CHECK CANCEL SWITCH CIRCUIT.
Measure the voltage between harness connec-
tor terminal and chassis ground when CAN-
CEL switch is pressed and not pressed.
Connector & terminal
(B94) No. 9 (+) — Chassis ground (
−
):
(B94) No. 10 (+) — Chassis ground (
−
):
Is the voltage 0 V when the
CANCEL switch is not
pressed? Is the voltage more
than 10 V when the CANCEL
switch is pressed?
Cruise control
command switch
circuit is OK.
4
CHECK POWER SUPPLY FOR COMMAND
SWITCH.
Check the horn operation.
Does the horn sound?
• Check the fuse
No. 6 (in main fuse
box).
• Check the horn
relay. <Ref. to
COM-3, INSPEC-
TION, Horn Sys-
tem.>
• Check the har-
ness for open or
short between
cruise control
command switch
and fuse & relay
box.
5
CHECK CRUISE CONTROL COMMAND
SWITCH.
Remove and check the cruise control com-
mand switch. <Ref. to CC-9, Cruise Control
Command Switch.>
Is the cruise control command
switch OK?
Check the harness
between cruise
control command
switch and cruise
control module.
Replace the cruise
control command
switch.
Содержание 2004 Forester
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