Subaru XT 1988 Service Manual page 1401

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WIRING DIAGRAM AND TROUBLESHOOTING
6-3
(3) Driver's window operation is defective.
Turn ignition switch "ON".
See if driver's window operation is normal by
Refer to previous articles (1) and (2).
means of main switch.
I Yes
No
No
See if resistance is
on
between terminal (8) of I Yes
See if voltage is about 12V at terminal (Y or G)
control unit and vehicle body (grounding).
of control unit while setting main switch to UP
No
or DOWN position.
Yes
Repair wiring between control unit and vehicle
body, or connector. Replace control unit.
Turn ignition switch "OFF".
See if resistance is
on
between following termi·
No
I Repair wiring or connector.
nals and earth.
(1 ) terminal (8) of control unit
(2) terminal (8) of main switch.
Yes
See if resistance is
on
between following termi·
No
: Replace auto switch.
nals and earth.
(1 ) at raising; (G) and (W)
(2) at lowering; (Y) and (W)
Yes
See if resistance is
on
between wiring (R or Y
No
Repair wiring between control unit and main
or G or RL) of control unit and wiring (R or Y
switch, or connector.
or G or W) of main switch.
Yes
Turn ignition switch "OFF".
See if voltage is approx. 12V at terminal (R) of
No
I
Repair wiring.
I
control unit.
Yes
Replace control unit.
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