volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Assembly overview - headlights with halogen bulb H4 > < Operation and safety notes for gas discharge bulbs
H4 headlights
H4 headlights
  Note
t  Before working on headlights, always switch off the headlights and remove the ignition key.
t  When dealing with complaints, it is absolutely essential that the function and operation of the lighting system are first understood.
t  Additional information:
→ Current flow diagrams, Electrical fault finding and Fitting locations
→ Operating manual
Fault detection and fault display:
The onboard supply control unit has a self-diagnostic function, which makes fault finding on headlights easier.
For fault finding, use vehicle diagnosis, testing and information system -VAS 5051A- in „Guided fault finding“ mode.
   

Assembly overview - headlights with halogen bulb H4 > < Operation and safety notes for gas discharge bulbs