Kia Sorento: Auto Head lamp leveling Unit Operation
Second Generation XM (2011-2024) / Kia Sorento XM 2011-2024 Service Manual / Body Electrical System / Head lamp leveling Device / Auto Head lamp leveling Unit Operation
Operating Procedure
| 1. |
Suspension angle change resulted from vehicle's load change.
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| 2. |
Height sensor signal change
|
| 3. |
Calculation of HLLD signal by AHLS ECU algorithm.
|
| 4. |
Sending a proper signal to HLLD (head lamp levelling device) and
driving actuator.
|
| 5. |
Actuation of HLLD and compensation of headlamp beam range.
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Operating Condition
| • |
IGN1 ON & Head lamp low bean ON
|
| • |
Sensor angle changed over 1° and keeping 10~12seconds with vehicle
standing.
|
| • |
Sensor angle changed over 1° and keeping 10~12seconds and when
vehicle runs over 20km/h with constant speed.
|
| • |
Leveling control is off after controlling HLLD for few seconds.
|
| • |
To eliminate mechanical tolerance, the lamp position is always
reached from the lower side.
|
System characteristics
| 1. |
Height sensor & unit
|
Auto Head lamp leveling Unit Description
According to driving environment and loading state of vehicle, head lamp
lighting direction is changed to keep the driver's visibility range and to protect
the driver's vision from gl ...
Auto Head lamp leveling Unit Removal
Height Sensor & Unit
1.
Disconnect the negative(-) battery terminal.
2.
Remove the height sensor connector (A).
...
See also:
On-vehicle Inspection
Inspect ignition coil assembly and
Perform spark test
1.
Check for DTCs.
...
Oil hydraulic Motor(Actuator) Circuit Diagram
...
Front Strut Assembly Disassembly
1.
Remove the dust cover(A).
2.
Using the special tool (09546-26000), compress the coil spring
(A).
3.
...
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