Wiper and Washer Systems: Description and Operation

Wipers and Washers

NOTE: The Smart Junction Box (SJB) may also be identified as the Generic Electronic Module (GEM).

The windshield wiper and washer system consists of the following:

- Windshield wiper blade
- Windshield wiper pivot arm
- Windshield wiper mounting arm and pivot shaft
- Windshield wiper motor
- Windshield washer reservoir
- Windshield washer pump
- Multifunction switch
- SJB

The washer system consists of the washer reservoir and washer pump. When the multifunction switch is placed into the wash mode, the SJB integral electronics activate the washer pump to direct washer fluid to the windshield. When the front windshield washer system is activated, the wipers will cycle 3 times with washer fluid followed by one final courtesy wipe a few seconds later to clear any remaining fluid that is dripping down from the top of the windshield.

If equipped with automatic headlamps, the SJB will illuminate the exterior lamps, including the parking lamps, when the front wipers are on for more than 10 seconds.

When the wiper control is set on any intermittent setting except INT 1, the speed dependant wipers will automatically adjust with the vehicle speed. This feature decreases the time between wipes when the vehicle speed increases.