Washer Fluid Pump, Headlights (6/104) [2017-2022]: Description
The Washer fluid pump, headlights, is an electronic centrifugal pump used for headlight washing. The washer pump is not activated when there is less than one liter of washer fluid left in the reservoir.
The washer pump is activated by pulling the wiper lever towards the steering wheel. The Steering Wheel Module (SWM) sends this information to the Central Electronic Module (CEM) to activate washing. The Central Electronic Module (CEM) then activates the internal relay, which supplies voltage to the washer pump.