FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test H: The Rear Window Defrost Switch on Indicator Is Inoperative

PINPOINT TEST H: THE REAR WINDOW DEFROST SWITCH ON INDICATOR IS INOPERATIVE


H1:






H2-H4:






H4 Continued:






Normal Operation
When the rear window defrost relay is energized, switched voltage is supplied to the rear window defrost switch indicator through circuit 59 (DG/VT). The switch is grounded through circuit 57 (BK).

Possible Causes
- fuse
- circuit 57 (BK) open
- circuit 59 (DG/VT) open
- circuit 186 (BN/LB) open
- rear window defrost switch