Subaru XT 1988 Service Manual page 1370

6-3 WIRING DIAGRAM AND TROUBLESHOOTING
El
FAUL TV PUMP MOTOR DRIVE CIRCUIT
Turn ignition switch OFF.
Yes
: Replace fusible link.
I
Check if fusible link is burned.
I
No
No
: Repair connections or harness.
I
Check if 12 volts are produced at terminal W
of pump motor.
Yes
No
Yes
~
Check if brushes are worn. Check if 12 volts are produced at terminal L
of pump motor.
No
Yes
I
Replace motor pump ASSY.
I
I
Replace brushes.
I
No
I
R ' . h
I
Check if continuity exists between
I epalr connections or arness.
(J)
B,
(jJ)
Rand
@
W terminals of signal
controller body harness connector and their
corresponding terminals of power controller.
Yes
No
: Replace signal controller.
I
Replace power controller.
Recheck if system operates properly when
tested in accordance with procedures under
[[D.
Yes
END
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