Kia Sorento Owner's Manual Quiz
Kia Sorento XM 2011-2023 Repair Manual

Automatic Headlamp Leveling Unit Operation

In this manual: Kia Sorento XM 2011-2023 Repair Manual
Kia Sorento XM Owner's Manual. — 168Kia Sorento XM 2011-2023 Repair Manual — 1285
5steps
~30min
2/5difficulty
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Operating Procedure
  1. Change in suspension angle due to change in vehicle load.
  2. Height sensor signal change
  3. Calculation of the HLLD signal by the AHLS ECU algorithm.
  4. Sends the proper signal to the HLLD (headlamp leveling device) and actuator.
  5. Activation of the HLLD and compensation of headlamp range.
Operating Condition
  • IGN1 ON and low beam headlamps ON
  • The sensor angle changes by more than 1° and is maintained for 10–12 seconds while the vehicle is stationary.
  • The sensor angle changes by more than 1° and is maintained for 10–12 seconds while the vehicle travels at a constant speed above 20 km/h.
  • Leveling control is turned off after HLLD control for several seconds.
  • To compensate for mechanical tolerances, the lamp position is always reached from the lower side.
System Features
  1. Height Sensor and Unit
    No. Components
    1 Height sensor
    2 Sensor Mounting Bracket
    3 Communication
    4 Mounting Screw

    A. The microprocessor detects the position of the control arm, mechanical angle change, or speed signal.
    B. As the actuator control device of the internal control program, installed on the rear center arm.

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