FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Wiper Motor Timer: Testing and Inspection

INPUT TEST
1. Enter vehicle, latch safety belt, and close door.
2. Press and hold rear defroster switch.
3. Turn ignition switch to RUN, then release rear defroster switch.
4. The central timer module will actuate the chime each time one of the following inputs is actuated:
a. Driver's safety belt: unlatch, then relatch.
b. Illuminated entry actuator switch: lift and release outside door handle without opening door.
c. Rear window defroster switch: press, then release.

OUTPUT TEST
1. Enter vehicle, then press and hold rear window defroster switch.
2. Turn ignition switch to RUN.
3. Release rear window defroster switch.
4. Move windshield wiper switch to intermittent position, first detent position up from OFF.
5. Depress and release defroster switch to actuate outputs.
6. Depress and release defroster switch to deactivate outputs.
7. Outputs will activate in the following order:
a. Intermittent windshield wiper.
b. Rear window defroster indicator.
c. Interior lamps.
d. Safety belt warning indicator.