AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM INITIALIZATION

Note


  • 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, height control sensor signal initialization is impossible. Perform troubleshooting before 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.


      NEXT

  2. CHECK HEADLIGHT LEVELING WARNING


    1. A01HZMYE02
      Text in Illustration
      *a Multi-information Display

      Turn the ignition switch to ON, and check the headlight leveling warning.

      OK
      Condition Specified Condition
      The headlight leveling ECU assembly has been replaced with a new one. Headlight leveling warning repeatedly blinks 6 times at 2 Hz.
      Replacement of the rear height control sensor sub-assembly, removal and reinstallation of the rear height control sensor sub-assembly, replacement of the suspension, etc. has been performed. Headlight leveling warning is not displayed.

      NG

      GO TO PROBLEM SYMPTOMS TABLE Click here

      OK

  3. INITIALIZATION


    1. A01HYBVE45

      Connect SST to terminals 4 (CG) and 8 (LVL) of the DLC3.

      SST
      09843-18040
    2. A01I11JE01

      Turn the low beam headlights on and off using the light control switch within 20 seconds after connecting the terminals.

      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

      Note


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

      • Be sure to operate the light control switch from outside the vehicle.

    3. Check the headlight leveling warning.

      OK
      Condition Specified Condition
      The headlight leveling ECU assembly has been replaced with a new one. Blinks 6 times at 2 Hz → Repeatedly blinks N*1 times at 2 Hz.
      Replacement of the rear height control sensor sub-assembly, removal and reinstallation of the rear height control sensor sub-assembly, replacement of the suspension, etc. has been performed. Off → Repeatedly blinks N*1 times at 2 Hz.

      Tech Tips


      • *1: The number of times that the headlight leveling warning 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 ignition switch off. Then, restart initialization from step 1.


      NG

      GO TO PROBLEM SYMPTOMS TABLE Click here

      OK
      TURN IGNITION SWITCH OFF (END)