Subaru XT 1988 Service Manual page 1340

6-3
WIRING DIAGRAM AND TROUBLESHOOTING
1) Turn Signal Switch and Turn Signal
&
Hazard Unit (With built-in combination switch)
Lamp flashes irregularly or re-
mains lighted.
Turn ignition switch to "ON".
Determine if lamp bulb is of
No
When bulb capacity is not suit-
J
Replace bulb with specified one.
I
suitable wattage. able, it flashes too fast or too
I
slowly; when bulb is broken, it
flashes too fast.
Yes
Increase power voltage by running
No
Battery voltage is too low.
: Charge or replace battery.
I
engine, and see if lamp flashes
regularly.
Yes
Determine if harness connection
No
Faulty contact of harness connec-
. i
Repair harness and connector.
I
..
and grounded part of lamp are
tion and grounded part.
in good condition.
Yes
I Combination switch is defective.
I
I
Replace combination switch
I
Only one lamp lights.
Check with ignition switch on.
Check conduction between com-
No
Faulty be- : Repair connector or harness.
I
connector contact
bination switch connector and tween combination switch can-
turn signal lamp. nector and turn signal lamp, or
Conduction: O.5GR on RH side broken harness wire.
and O.5GL on LH side.
Yes
Faulty conduction of combina-
I
i
Replace combination switch.
I
tion switch.
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