VS - Lighting Systems - Lighting - 998542

Headlamps applications with light sources exceeding 2000 lm per side require an automatic levelling system

7.6.4. Automatic levelling An automatic levelling system is mandatory for high luminance headlamps; it includes complementary sensors and one Electronic Control Unit that manages beams aiming according to the car load and chassis dynamics.

Automatic levelling diagram

ECU

Levelling actuator

+

-

+ - 0

+ - 0

Chassis movement

Front levelling sensor

Rear levelling sensor

Chassis movement

7.7. Headlamp fixation points

Check that no play occurs by controlling the headlight fixation points

The headlight must be securely fixed on the vehicle to ensure stable lighting performance. All headlight mounting points must be in a good shape prior to setting any aiming values.

Fix point

The aiming accuracy must be within 0.1%. Any broken parts on the mounting brackets strongly affect the light performance on the road and could possibly dazzle the other road users. The headlight is equipped with both vertical and lateral aiming devices. All must be in a serviceable condition to properly set the beam pattern on the vehicle for the road.

Lateral aiming

Vertical aiming

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