Headlamp Washer System

HEADLAMP WASHER SYSTEM DESCRIPTION AND OPERATION

HEADLAMP WASHER SYSTEM COMPONENTS
The headlamp washer system consists of the following components:
- Headlamp washer relay
- Headlamp washer fluid pump
- HDLP WASH 20 A fuse
- Windshield wiper/washer switch
- BCM

HEADLAMP WASHER SYSTEM OPERATION
Battery voltage is supplied to the headlamp washer relay switched input. The BCM controls the operation of the headlamp washer relay. The headlamps need to be in ON position to allow the headlamp washer operation. At every fourth operation of the windshield washer a headlamp wash cycle is initiated. A headlamp wash cycle consists of a prewash, then a pause, and then a wash operation.