Wiper and Washer Systems: Description and Operation

Wipers and Washers

The windshield wiper/washer system consists of the following components:

- Multifunction switch
- Windshield wiper blades
- Windshield wiper pivot arms
- Windshield wiper mounting arm and pivot shaft assembly
- Windshield wiper motor
- Windshield washer nozzle
- Windshield washer reservoir
- Windshield washer pump

The wiper system is activated by the multifunction switch. The multifunction switch provides input to the front wiper motor module to activate wash, low, high and intermittent modes. The relays are all integral to the wiper motor module and are not serviceable separately.

The washer system consists of the washer reservoir and washer pump. When the multifunction switch is placed into the wash mode, the windshield wiper motor integral electronics activate the washer pump to direct washer fluid to the windshield.