Subaru XT 1988 Service Manual page 1409

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I
WIRING DIAGRAM AND TROUBLESHOOTING
(3) Cancel function will not operate.
The brake pedal is de- Check if the brake switch
Yes
Replace the cru ise control
pressed, but the cruise con- f---- and stop switch operate
unit to determine if it ope-
trol is not released. normally.
rates normally.
J
No
No
Replace the brake switch Again install the old control
and/or stop switch.
unit, replace the actuator,
and see if it operates nor-
mally.
No
MTvehicle
The clutch pedal is de-
~es
Again install the old actu-
H
Check if the clutch switch
pressed, but the cruise con-
operates normally.
ator, replace the valve, and
trol is not released.
see if it operates normally.
~
No
No
Replace the clutch switch.
Check wiring harness and
hoses.
AT vehicle
The se lect lever is set to
Stop the car, and check if
the engine can be started
Yes
@,
but the cruise control
---
i - - -
only when the select lever
is not released.
is set to
@
or
0.
t
No
Replace the inhibitor
switch.
The cru ise control is not released even at speeds below 30 km/h
(19 MPH).
Yes
The cruise control is not re-
---j
Check if the tachometer
Yes
Check if the connector of
leased even when the engine
operates normally.
the cruise control unit is
runs at 6,000 rpm or more.
properly connected.
j
No
No
Defective connection at the
Repair connector.
(-) terminal of the ignition
coil.
137
6-3
~
Replace the cru ise
control unit.
I
~[
Replace the actuator.'
M
Replace the valve.
,