Subaru Impreza 2003 Service Manual page 3278

CRUISE CONTROL SYSTEM (DIAGNOSTICS)
F: DTC 38 MOTOR DRIVE SHAFT DOES NOT ENGAGE PROPERLY
Step
1 CHECK ACTUATOR MOTOR.
1)Turn the ignition switch to OFF.
2)Disconnect the harness connector from
cruise control actuator.
3)Remove the cruise control actuator from
mounting bracket.
4)Pull the cable by hand to check for loose-
ness or status of inner gear engagement.
G: DTC 39 MOTOR IS OVERLOADED
Step
1 CHECK THE OPERATING CURRENT TO AC-
TUATOR MOTOR.
1)Connect the Subaru Select Monitor to data
link connector.
2)Try to drive the vehicle while operating the
cruise control system.
3)Measure the operation current to the cruise
control actuator motor.
Connector & terminal
(B7) No. 4 (+) — Chassis ground ( − − − − ):
DIAGNOSTIC PROCEDURE WITH DTC
Are foreign particles caught in
the inner gear or does inner
gear engage and disengage
improperly?
Is the current more than 10 A? Replace the cruise
CC-34
Check
Replace the cruise
control actuator.
<Ref. to CC-3,
Actuator.>
Check
control module.
<Ref. to CC-4,
Cruise Control
Module.>
Yes No
Check the cruise
control cable
adjustment.<Ref.
to CC-4, CABLE
FREE PLAY, Gen-
eral Description.>
Yes No
Check the power
supply circuit.
<Ref. to CC-12,
CHECK POWER
SUPPLY, Diag-
nostic Procedure
with Symptom.>