Headlamp: Adjustments
Headlights, Adjusting
For specified headlight settings and adjustment instructions:
Vehicles with High intensity gas discharge (Xenon) headlights:
Special tools and equipment
- VAS 5051 with VAS 5051/1 and VAS 6017
NOTE: On vehicles with high intensity gas discharge (Xenon) headlights, always check, erase and then perform basic setting of fault memory before manually adjusting adjuster screws.
Test requirement:
- Vehicle diagnostic, testing and information system VAS 5051 with K wire adapter VAS 6017 connected, vehicle self-diagnosis and vehicle system "55 - headlight vertical aim control" selected.
Indicated on VAS 5051:
- Enter diagnostic function "04 - Basic setting" in selection -1-.
Indicated on VAS 5051:
1 - Enter display group
max. input value = 255
- Use keypad -2- to enter "001" for "display group number 001" and confirm by pressing Q key.
- The headlights will now be moved into setting position.
Indicated on VAS 5051:
1 - Display group 1
System in basic setting
2 - Headlight
Adjusting
The headlights are now in setting position.
NOTE: Basic setting function 1 switches off automatic range control and fault "Headlights not set" will be stored in DTC memory.
All models:
Adjusting screws on left headlight.
The arrangement for right headlight is symmetrically opposite.
1 - Height adjustment screw
2 - Height/lateral adjustment screw
- For height adjustment, turn adjustment screws -1- and -2- the same number of turns.
- For lateral adjustment, turn only adjustment screw -2-.
Vehicles with High intensity gas discharge (Xenon) headlights:
Indicated on VAS 5051:
- To change into display group 002 press s key -3-.
2 - Display group 1
System in basic setting
2 - Control position
Learned
The control module has now learned this setting.
NOTE: The fault "Headlights not set" in DTC memory will be erased and automatic range control function will be restored.
- End function "04 - Basic setting" by pressing key.
Indicated on VAS 5051:
- Enter diagnostic function "06 - End output" in selection -1-.