Windshield Washer

When the wiper/washer switch is activated, the SCCM sends the washer request to the driver side windshield wiper motor over the LIN. The windshield wash relay is internal to the driver side windshield wiper motor. When the driver side windshield wiper motor activates the windshield wash relay, voltage is provided to the washer pump, directing washer fluid to the windshield. When the switch is released, the windshield wiper motors continue to activate for 3 additional wipes and then turn off.