Hyundai Sonata: Auto Head Lamp Leveling Device / Auto Head Lamp Leveling Unit Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Auto Head Lamp Leveling Device / 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 the operation does not work well, inspect the connector and terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. If the terminals look OK, go to step 5.

5.	Substitute with a known-good head lamp assembly and check for proper operation.

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Disconnect the head lamp leveling unit.

3.	Remove the head lamp leveling unit linkage (A).

4.	Remove the head lamp leveling unit assembly.

Installation

1.	Install the head lamp leveling unit.

2.	Reconnect the head lamp leveling unit connector.

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 ...

Auto Head Lamp Leveling Unit Troubleshooting

Inspection with GDS Initialization and diagnosis sequence by using GDS equipment. Below content summarize the procedure for A/S using GDS. NoProcedure1Locate vehicle to flat plane2Tire check3IG ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Gauges
Speedometer The speedometer indicates the speed of the vehicle and is calibrated in miles per hour (mph) and/or kilometers per hour (km/h). Tachometer The tachometer indicates the approximate number of engine revolutions per minute (rpm). Use the tachometer to select the correct shift points and ...

Hyundai Sonata LF 2014-2019 Owners Manual: Headlamp delay function
If the key is removed from the ignition switch or placed in the ACC position or the LOCK/OFF position with the headlamps ON, the headlamps (and/or parking lamps) remain on for about 5 minutes. However, if the driver’s door is opened and closed, the headlights are turned off after 15 seconds. Ho ...