Subaru 1600 Service Manual page 842

ELECTRICAL SYSTEM
a. Defogger does not clear windowpane
Turn on key switch.
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No
See if harness-side connector is securely connected
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Connect connector properly.
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to terminal of printed heating wire.
Yes
Seeiffuse(ISA,Rear IYes
I
Replace fuse.
I
defogger) is blown. I
No
No
Check for voltage at blue/white terminal of harness-
I
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side connector of rear defogger switch.
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Repair connector connection or harness.
Yes
Check for voltage at blue/red terminal of rear defogger No
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switch when it is turned on.
1
Defective switch.
Yes
Check terminal of printed heating wire for secure
No
I Solder terminal.
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soldering.
Yes
Repair harness between rear defoger switch and
printed heating wire,
OJ
connector connections.
b. Switch lamp does not light when defogger switch is turned on
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Tum on key switch.
I
;
I
Check if windowpane is cleared.
INo
Refer to "Defoger does not clear windowpane" in
I Item a.
Yes
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Check for zero voltage between grounding terminal
I
No
Repair defective groundinJ, faulty connector con-
(black) of defoger switch and car body.
I
nections, or harness.
Yes
.
I Replace switch lamp bulb.
J
15-179