FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Heated Glass Control Module: Testing and Inspection

INPUT TEST
(1) Enter vehicle, latch driver safety belt, close door.
(2) Press and hold Rear Window Defroster Switch.
(3) Turn ignition switch to RUN.
(4) Release rear window defroster switch.

The central timer module will actuate the chime each time one of the following inputs is actuated:
^ Driver safety belt, unlatch then relatch.
^ Illuminated entry actuator switch, lift then release outside door handle without opening the door.
^ Rear window defroster switch, press then release.

OUTPUT TEST
(1) Enter vehicle.
(2) Press and hold rear window defroster switch.
(3) Turn ignition switch to RUN.
(4) Release rear window defroster switch.
(5) Move windshield wiper switch to intermittent position, first detent up from OFF.
(6) Press and release defroster switch to actuate outputs.
(7) Press and release defroster switch to deactivate outputs.

Outputs will activate in this order:
(1) intermittent windshield wiper
(2) rear window defroster indicator
(3) interior lamps
(4) safety belt warning indicator