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Kia Forte: Auto Head Lamp Leveling Unit Operation - Auto Head Lamp Leveling Device - Body Electrical System - Kia Forte TD 2014-2018 Service ManualKia Forte: Auto Head Lamp Leveling Unit Operation

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Body Electrical System / Auto Head Lamp Leveling Device / Auto Head Lamp Leveling Unit Operation

Operating Procedure
1.
Suspension angle change resulted from vehicle's load change.
2.
Sensor angle change.
3.
Microprocessor calculates necessary head lamp angle change amount.
4.
Sending a proper signal to head lamp leveling device and driving actuator.
Operating Condition
1.
Ignition on
2.
Low beam on
3.
On stop : If sensor lever change is 0.7° and above, head lamp is operated after max. 1.5 sec.
4.
On driving : If vehicle velocity is over 4km/h(2.48mile/h), velocity change is not over 0.8-1.6km/h(0.5 ~ 1.0mile/h) per second, and loading condition is changed, then head lamp is operated.
Components
1.
Auto head lamp leveling unit
1. Leveling unit & sensor
2. Sensor mounting bracket
3. Sensor linkage

A.
Using a Micro-processor, percept the operation lever's mechanical angle change or speed signal.
B.
As an actuator control device of inner control program, mounting on the rear center arm.
2.
Actuator
A.
Change the head lamp lighting direction up or down since automatic head lamp leveling unit sensing the input signal following the vehicle's statically changes.

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 Inspection
1. Ignition "ON". 2. Turn on the head lamp switch. 3. Check for operation. If the aim of the head lam ...

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