AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM INITIALIZATION

Note


  • Synchronize the vehicle information when the headlight leveling ECU assembly is replaced with a new one.

  • Initialize the headlight leveling ECU assembly when the headlight leveling ECU assembly is replaced.

  • Initialize the headlight leveling ECU assembly (set the zero point of the height control sensor in the headlight leveling ECU assembly) after the vehicle height changes due to replacement of suspension components or after performing operations such as removal and reinstallation or replacement of the rear height control sensor sub-assembly.

  • Adjust the headlight aim after initializing the headlight leveling ECU assembly.

    Click here

  • When a malfunction is detected in the automatic headlight beam level control system, rear height control sensor sub-assembly signal initialization is impossible. Perform troubleshooting before initialization.


  1. SYNCHRONIZE VEHICLE INFORMATION


    1. When using the GTS:


      1. Turn the power switch off.

      2. Connect the GTS to the DLC3.

      3. A011Q2GC01
        *a Headlight Leveling Warning Light

        Turn the power switch on (IG), and check that the headlight leveling warning light continuously blinks at 0.5 Hz.

      4. Enter the following menus: Body Electrical / HL AutoLeveling / Utility / ECU Information Sync.


        Body Electrical > HL AutoLeveling > Utility
        Tester Display
        ECU Information Sync

      5. Check what is displayed on the screen of the GTS and press "Next".

      6. Check that the headlight leveling warning light continuously blinks 6 times at 2 Hz.

      7. Press "Exit" and turn the power switch off.

        Note

        After synchronizing vehicle information, initialize the headlight leveling ECU assembly.

    2. When not using the GTS:


      1. A011Q2GC01
        *a Headlight Leveling Warning Light

        Turn the power switch on (IG), and check that the headlight leveling warning light continuously blinks at 0.5 Hz.

      2. Turn the low beam headlights on and off 8 times using the light control switch within 20 seconds after turning the power switch on (IG).

        Note

        Turn the low beam headlights on and off at less than 2-second intervals.

        Tech Tips

        If the light control switch operation cannot be finished within 20 seconds, turn the power switch off. Then, turn the power switch on (IG) and restart the procedure.

      3. Check that the headlight leveling warning light continuously blinks 6 times at 2 Hz.

      4. Turn the power switch off.

        Note

        After synchronizing vehicle information, initialize the headlight leveling ECU assembly.

  2. HEADLIGHT LEVELING ECU ASSEMBLY INITIALIZATION


    1. Prepare vehicle for initialization


      1. Unload the trunk and vehicle, ensuring that the spare tire, tools and jack are in their original positions.

      2. Check that there are no occupants in the vehicle.

      3. Turn off the headlights.

      4. Stop the vehicle on a level surface and keep the vehicle height unchanged.

    2. A011Q2GC01
      *a Headlight Leveling Warning Light

      Check headlight leveling warning light


      1. Turn the power switch on (IG), and check the headlight leveling warning light.

        Tech Tips

        If the headlight leveling warning light does not come on when turning the power switch on (IG), perform troubleshooting according to Problem Symptoms Table.

        Click here

      2. Initialization (When using the GTS)


        1. Turn the power switch off.

        2. Connect the GTS to the DLC3.

        3. Turn the power switch on (IG).

        4. Enter the following menus: Body Electrical / HL AutoLeveling / Utility / Height Sensor Initialization.


          Body Electrical > HL AutoLeveling > Utility
        3. Tester Display
        Height Sensor Initialization

    3. Check what is displayed on the screen of the GTS and press "Next".

    4. A011OD0C01
      *a Fuel Receiver Gauge (for Sport Package)
      A011OTIC01
      *a Fuel Receiver Gauge (for Standard)

      Check the proper "Position ID" by the fuel level according to the table below.

      Tech Tips

      The "Position ID" is determined by the present fuel level as shown below.

      Fuel Level Position ID Number of Times Headlight Leveling Warning Light Blinks
      Fuel level is within A range. EMPTY 1
      Fuel level is within B range. 1/4 to over EMPTY 2
      Fuel level is within C range. 1/2 to over 1/4 3
      Fuel level is within D range. 3/4 to over 1/2 4
      Fuel level is within E range. FULL to over 3/4 5

    5. Check what is displayed on the GTS, select the proper "Position ID" and press "Next".

    6. Press "Exit".

    7. Check the warning light.

      Tech Tips


      • *1: The number of times that the warning light blinks is determined by the "Position ID" selected.

      • If initialization does not finish normally, restart initialization from procedure (a).

    8. Check that initialization finishes normally and turn the power switch off.

    9. Initialization (When not using the GTS)


      1. Turn the power switch on (IG).

      2. A011OD0C01
      10. *a Fuel Receiver Gauge (for Sport Package)
A011OTIC01
*a Fuel Receiver Gauge (for Standard)

Check the specified number of times to turn the low beam headlights on and off.

Tech Tips

The number of times the low beam headlights need to be turned on and off is determined by the present fuel level as shown below.

Fuel Level Number of Times to Turn Low Beam Headlights On and Off
Fuel level is within A range. 1
Fuel level is within B range. 2
Fuel level is within C range. 3
Fuel level is within D range. 4
Fuel level is within E range. 5

  • Turn the power switch off.

  • Turn the power switch on (IG) with the light control switch off.

  • Turn and hold the dimmer switch in the FLASH position, and turn the taillights on and off using the light control switch 3 times.

    Note

    Turn the taillights on and off within 5 seconds.

    Tech Tips

    When the switch operation is normal, the headlight leveling warning light blinks at 1 Hz.

  • Turn the low beam headlights on and off according to the specified number of times using the light control switch within 20 seconds.

    Tech Tips

    Turn the low beam headlights on and off at less than 3-second intervals.

  • Check the warning light.

    Tech Tips


    • *1: The number of times that the warning light blinks is determined by the number of times the low beam headlights are turned on and off.

    • If initialization does not finish normally, disconnect SST from the DLC3 and turn the power switch off. Then, restart initialization from procedure (a).

  • Check that initialization finishes normally and turn the power switch off.