Headlight adjustment


Before an adjustment of the headlight is performed on vehicles with xenon lamps, a basic setting of the automatic regulation of the headlight range must always be done. The basic setting disconnects from the automatic control mechanism, to make an adjustment of the headlight possible. If a basic setting is not performed, the automatic regulation mechanism of the headlight will be damaged.

A basic setting must be done when:

Note:

Test prerequisities:

Procedure:

  1. Read and check the inclination measurement, which is embossed in percentage on the hood above the headlight. The percentage information derives to a projection distance of 10 metres. A value of for example 1,0 % corresponds to 10 centimetres.

  2. Select the basic setting: "Adjust light setting".

    • The headlights are now put in adjustment position. The values for the level sensors are erased and the fault code 1539 is stored. This is confirmed with the text: "headlight adjustment".

  3. Exit the basic setting.

  4. Adjust the headlights according to the national legislation and regulations.

  5. Select the basic setting: "Store setting".

    • The new headlight setting is stored and the values from the front and the rear level sensors are stored as new starting values. This is confirmed with the text: "Control position adjusted".

  6. Exit the basic setting.

  7. Turn off the ignition for 60 seconds to store the new values.

  8. Re-establish diagnosis with the system. Read and check that no faults are stored.

  9. Exit the function.