Hyundai Santa Fe: Head Lamp Leveling 
Actuator. Repair procedures - Auto Head Lamp Leveling Device - Body Electrical SystemHyundai Santa Fe: Head Lamp Leveling Actuator. Repair procedures

Inspection with GDS

Initialization and diagnosis sequence by using GDS equipment.
Below content summarize the procedure for A/S using GDS.
No.
Procedure
1
Locate vehicle to flat plane
2
Tire check
3
IGN1 ON
4
Head lamp Low Beam ON
5
Connection with diagnostic tool
6
Initial command by diagnostic tool
7
Clear DTC Code
8
IGN1 OFF → ON
9
Re- Connection with diagnostic tool
10
Checking of HLLD output value as 15% and DTC Code
11
HLLD actuating by diagnostic tool command
12
Head lamp mechanical Initial Aiming

1.
There’s no load in vehicle and vehicle should be on flat plane.
2.
Should check of HLLD output value(15%) after initial setting.
3.
Should do first electrical initial setting by diagnostic tool and then mechanical aiming afterward.
1.
Select the vehicle model and "Head lamp leveling".

2.
GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.

3.
To perform functional test on AHLS outputs, select "Actuation Test".

4.
Select " Parameter setting & Zero position Initial".

5.
Confirm that AHLS operate forcefully in "Head lamp leveling" menu.

6.
To check the DTC of the head lamp leveling system, select "Diagnostic trouble codes"

    Components and Components Location
    Component Location 1. Head lamp leveling unit and sensor 2. Head lamp leveling actuator ...

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