LED Headlamp, Adjusting

LED Headlamp, Adjusting

Special tools, testers and auxiliary items required

• Vehicle Diagnostic Tester

Checking and Adjusting Conditions

• Tire pressure OK.

• The headlamp lens must be clean and dry.

• The headlamp lens may not be damaged.

• Headlamp reflectors and bulbs OK.

• The compressed air reservoir must be filled. Start the engine and let it run at idle for approximately 2 minutes.

• The headlamp must cool down to room temperature -- open the hood and touch the housing cover on the back of the headlamp.

• The electromechanical parking brake must not be engaged so vehicle is not under stress.

• Vehicle and headlamp adjusting unit must be on a level surface.

• The headlamp adjusting unit must be aligned to the vehicle. Refer to Headlamp adjusting unit instructions.






• The headlamp adjuster must be distance - a - 30 to 70 cm in front of the headlamp and should not deviate more than dimension - b - = 3 cm from the LED headlamp center point.

• The inclination dimension is set on the headlamp adjusting unit. Refer to Headlamp adjusting unit operating instructions.

• The angle dimension - arrow - is stamped on the upper edge of the headlamp - 1 - in %.






• The headlamp must be adjusted according to the angle dimension stamped on the headlamp.

• The percentage indicator is based on a 10 meter projection distance. At an angle dimension of 1.0%, for example, converts to 10 cm.

Procedure

- The vehicles must be standing on a flat surface.

- Turn the Light Switch (E1) to low beam - not to Auto.

- Close all the doors and the rear lid and keep them closed for the duration of the testing/adjusting procedure.

- To prepare the headlamp adjustment, select "adjust LED headlamp" in "Guided Functions" mode of the (VAS5051B).

• This program moves the suspension into the air spring standard vehicle height

- Select the function or path:






- Follow the instructions on the (VAS5051B) display.

- During the program, you will be asked to perform a headlamp adjustment.

Headlamp Adjustment






• The horizontal light-dark border must touch the dividing line - 1 - on the adjusting unit test surface.

• The point - 2 - between the left horizontal part and the right vertical part of the light-dark border must run vertically through the central mark - 3 -. The bright core of the light beam must be to the right of the vertical.

• To determine the point - 2 - more easily, cover and uncover the left half of the headlamp several times. Then check low beam again.

• After correct headlamp adjustment, the center of the high beam light beam must be on the central marking - 3 -.

- To adjust the height of the headlamp, set the light-dark border just above the dividing line with the adjustment screw - 1 -.






- Then adjust the light-dark border, starting from the top, on the dividing line.

- For side adjustment, turn adjusting screw - 2 -.

• The allocation on the right headlamp is reversed.

- After the headlamp adjustment has been successful, follow the instructions on the (VAS5051B) display in order to leave the air suspension normal level.

• If the program get interrupted, then the air suspension normal level must be deactivated manually.

- Disconnect the diagnostic connector.