Hid Headlamp, Adjusting: Procedure
-- The vehicle must be standing on a flat surface.
-- Turn the headlamp switch to "low beam" - not "Auto".
-- Close all the doors and the rear lid and keep them closed for the duration of the testing/adjusting procedure.
-- Connect the Vehicle Diagnostic Tester. Refer to Vehicle Diagnostic Tester.
-- Select the Diagnostic mode and start the diagnostics.
-- Select the tab test plan .
-- Select select individual tests and choose the following sequence.
- Body
- Electrical Equipment
- 01 - OBD-capable systems
- 55 - Dynamic headlamp range control - J431/J745
- 55 - Headlamp range control, functions
- 55 - Basic setting
The headlamps move into the basic setting with this program.
-- 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 under the dividing line with the adjustment screw -1-.
-- Then adjust the light-dark border, starting from the bottom, on the dividing line.
-- For side adjustment, turn the adjusting screw -2-.
The allocation on the right headlamp is reversed.
-- After the headlamp is adjusted, complete the "Basic setting". Switch off the ignition and disconnect the diagnostic connector.
-- The vehicle must be standing on a flat surface.
-- Turn the headlamp switch to "low beam" - not "Auto".
-- Close all the doors and the rear lid and keep them closed for the duration of the testing/adjusting procedure.
-- Connect the Vehicle Diagnostic Tester. Refer to Vehicle Diagnostic Tester.
-- Select the Diagnostic mode and start the diagnostics.
-- Select the tab test plan .
-- Select select individual tests and choose the following sequence.
- Body
- Electrical Equipment
- 01 - OBD-capable systems
- 09 - Electronic central electrical J519
- 09 - Vehicle Electrical System Control Module, functions
- 09 - Headlamp basic setting
The headlamps move into the basic setting with this program.
-- During the program, you will be asked to perform a Headlamp Adjustment.
Headlamp Adjustment
- The horizontal light-dark border -4- must touch the dividing line -1- on the adjusting unit test surface.
- The point -2- must be positioned exactly in the center - center mark for the line -3-.
- Based on this adjustment, rotate the side adjusting screw 6.5 turns to adjust the side adjustment bend point -2- to the left as shown in the illustration below.
- The horizontal light-dark border -4- remains unchanged.
6.5 turns on the site adjusting screw creates an adjustment of 31 cm in relation to a 10 m projection distance.
-- To adjust the height of the headlamp, set the light-dark border just under the dividing line with the adjustment screw -1-.
-- Then adjust the light-dark border, starting from the bottom, on the dividing line.
- The side adjustment bolt -2- must be secured with the plugs after the adjustment is made. For the correct plugs.
The allocation on the right headlamp is reversed.
-- After the headlamp is adjusted, complete the "Basic setting". Switch off the ignition and disconnect the diagnostic connector.