Subaru XT 1988 Service Manual page 1335

WIRING DIAGRAM AND TROUBLESHOOTING
6-3
2) Headlights do not Open or Retract When Retractable Headlight Switch is Operated
Check if headl ights open or retract when
No
Refer to "Headlights do not open or retract
lighting switch is operated. when lighting switch is operated".
t
Yes
No
Check if resistance between motor side of
retract switch and GND is zero ohms.
Replace retractable headlight switch.
j
Yes
Check if resistance between retract switch
No
and timer and between timer and lighting
Repair harness.
switch is zero ohms.
t
Yes
Replace timer.
3) Headlights do not Open or Retract When Passing Switch is Operated
Check if headlights open or retract when
No
Refer to "Headl ights do not open or retract
lighting switch is operated. when lighting switch is operated".
Yes
Check if voltage is produced at power termi-
No
nal of timer and if resistance between ground Repair harness.
terminal and body metal is zero.
Yes
Check if resistance at passing switch is zero
No
when switch is operated.
Replace passing switch.
Yes
Repair harness between timer and passing
switch or between passing switch and body
metal.
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