Hyundai Sonata: Auto Head Lamp Leveling Device / Auto Head Lamp Leveling Unit Troubleshooting
| Inspection with 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. |
Select the vehicle model and "Auto Head Lamp Leveling System (AHLS)"
|
| 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" |
Auto Head Lamp Leveling Unit Repair procedures
Inspection
1.
Ignition "ON".
2.
Turn on the head lamp switch.
3.
Check for operation. If the aim of the head lamps changes smoothly when the head lamp leveling switch is turned.
4.
If ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced carefully at the factory
to give you the longest tire life and best overall performance.
In most cases, you will not need to have your wheels aligned again. However,
if you notice unusual tire wear or your vehicle pulling one way or the other, t ...
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
The Tire Pressure Monitoring System (TPMS) monitors the
pressure and temperature inside the tire in order to warn the driver of
changes in pressure which may influence the operation of the vehicle.
The TPMS control module analyzes wireless information fro
In other words, the s ...
