Operation CHARM: Car repair manuals for everyone.

Headlamp Washer System






Headlamp Washer System

Headlamp cleaning system function can be checked via output Diagnostic Test Mode (DTM) of Vehicle Electrical System Control Module (J519) --> [ Vehicle Electrical System Output Diagnostic Test Mode ] Initial Inspection and Diagnostic Overview.

Activation time period and delay time up to activation of Headlamp Washer Pump (V11) can be adjusted --> [ Headlamp Washer System Activation Time, Adapting ] Testing and Inspection.

Additional information:

--> Owner's Manual

General Description:

After switching the ignition on, headlamp lenses are also cleaned on first operation and then on every fifth operation of windshield wiper lever. To do this, windshield wiper lever must be pulled toward steering wheel for a minimum of 0.5 seconds with low-beam or high-beam headlamps switched on.

After assembly work or when first operating headlamp cleaning system, it must be ventilated to ensure proper function --> [ Headlamp Washer System, Bleeding ] Headlamp Washer System, Bleeding.

DTC recognition and display:

Vehicle Electrical System Control Module (J519) is equipped with On Board Diagnostics (OBD) which assists in troubleshooting.

For troubleshooting, use Vehicle Diagnostic, Testing and Information System (VAS 5051A) in operating mode " Guided Fault Finding".