>
Hyundai Equus Manuals

Hyundai Equus: Auto Head lamp leveling Unit Description and Operation - Head lamp leveling Device - Body Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Auto Head lamp leveling Unit Description and Operation

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Body Electrical System / Head lamp leveling Device / Auto Head lamp leveling Unit Description and Operation

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 glare, aiming at safety driving.
Sensor integrated ECU mounting on the rear center arm drives the actuator mounting on the head lamp since sensing the input signal following the vehicle's statical changes.
Head lamp beam is automatically operated by chassis tilt.
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 levelling device and driving actuator.
Operating Condition
1.
Ignition on
2.
Low beam on
3.
On stop : If sensor lever change is 2° 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

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 levelling unit sensing the input signal following the vehicle's statical changes.

    Auto Head lamp leveling Unit Schematic Diagrams
    Circuit Diagram ...

    Auto Head lamp leveling Unit Repair procedures
    Removal 1. Remove the head lamp leveling unit linkage (A) from trailing arm. 2. Loosen the mounting bolts (3EA) of automatic head lamp leveling unit assembly. Tightening torque : 3 ~ 5 N.m ...

    See also:

    Master Cylinder Repair procedures
    Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the cover. 3. Disconnect the ECM connector (A) and TCM connector (B). And then take the protect ...

    Limousine Rear Body
    Rear body Roof panel rear cornerSide outer panel rear cornerRear parkage tray panel tooling hole(O23)Side outer panel rear cornerTooling hole (14X10)Tooling hole (O10) ...

    Troubleshooting
    Troubleshooting SymptomProbable causeRemedyExcessive play in steeringLoose yoke plugRetightenLoose steering gear mounting boltsRetightenLoose or worn tie rod endRetighten or replace as necessaryS ...

    Categories

    Hyundai Equus Manuals

    © 2011-2026 Copyright www.heqmanual.com