FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Heated Element: Testing and Inspection

1. Using a ohmmeter, check Pin 1 of the mirror motor harness connector for continuity to ground. If OK, go to Step 2. If not OK, repair as necessary.
2. Activate the rear window defogger switch, use a voltmeter and check Pin 2 for battery voltage.
a. If OK, go to Step 3. If not OK, check fuse 5 in the Junction Block and repair as necessary
b. Check rear window defogger switch, refer to Heated Glass Element/Rear Window Defogger. If OK, go to Step c. If not OK, replace HVAC control.
c. If no voltage repair wire as necessary.
3. Remove mirror glass and check wires. If wires are OK, replace mirror glass. If not OK, repair as necessary or replace mirror.