CC(H4SO)-31
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK TRANSMISSION TYPE.
Is the target MT model?
2
CHECK HARNESS BETWEEN BATTERY
AND VEHICLE SPEED SENSOR.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
vehicle speed sensor.
3) Turn the ignition switch to ON.
4) Measure the voltage between vehicle
speed sensor harness connector terminal and
chassis ground.
Connector & terminal
(B17) No. 3 (+) — Chassis ground (
−
):
Is the voltage more than 10 V? Go to step
Check the harness
for open or short
between fuse relay
and vehicle speed
sensor.
3
CHECK HARNESS BETWEEN CRUISE CON-
TROL MODULE AND VEHICLE SPEED SEN-
SOR.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
cruise control module.
3) Measure the resistance between vehicle
speed sensor harness connector terminal and
cruise control module harness connector ter-
minal.
Connector & terminal
(B17) No. 1 — (B94) No. 19:
Is the resistance less than 10
Ω
?
Repair the har-
ness.
4
CHECK HARNESS BETWEEN VEHICLE
SPEED SENSOR AND ENGINE GROUND.
1) Turn the ignition switch to OFF.
2) Measure the resistance between vehicle
speed sensor harness connector terminal and
engine ground.
Connector & terminal
(B17) No. 2 — Engine ground:
Is the resistance less than 10
Ω
?
Repair the har-
ness.
5
CHECK VEHICLE SPEED SENSOR.
1) Connect the harness connector to vehicle
speed sensor.
2) Lift-up the vehicle and support with rigid
racks.
3) Drive the vehicle at speed greater than 20
km/h (12 MPH).
Warning:
Be careful not to be caught up by the run-
ning wheels.
4) Measure the voltage between cruise control
module harness connector terminal and chas-
sis ground.
Connector & terminal
(B94) No. 19 (+) — Chassis ground (
−
):
Is the voltage less than 0 V
←
→
more than 5 V?
Replace the cruise
control module.
<Ref. to CC-7,
Cruise Control
Module.>
Replace the vehi-
cle speed sensor.
6
CHECK HARNESS BETWEEN CRUISE CON-
TROL MODULE AND TCM.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
TCM and cruise control module.
3) Measure the resistance between cruise
control module harness connector terminal
and TCM harness connector terminal.
Connector & terminal
(B94) No. 19 — (B56) No. 17:
Is the resistance less than 10
Ω
?
Repair the har-
ness.
Содержание 2004 Forester
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