LIGHTING SYSTEM INITIALIZATION

DTC Code DTC Name
INITIALIZATION

CAUTION / NOTICE / HINT

Note


  • Initialize the headlight swivel ECU after the headlight swivel ECU is replaced.

  • If the vehicle is not equipped with the air suspension system, initialize the headlight swivel ECU (set the zero point of the height control sensor in the headlight swivel ECU) after the vehicle height changes due to replacement of suspension components or after performing such operations as removal and reinstallation or replacement of the rear height control sensor sub-assembly.

  • If the vehicle is not equipped with the air suspension system, adjust the headlight aim after initializing the headlight swivel ECU.

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

PROCEDURE


  1. PREPARE VEHICLE FOR INITIALIZATION


    1. Unload the trunk and vehicle, making sure 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.

      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK AFS OFF INDICATOR LIGHT


    1. Turn the ignition switch to ON and check the warning light.

      OK
      Condition Specified Condition
      The headlight swivel ECU has been replaced with a new one. Warning light continuously blinks 6 times at 2 Hz.
      Removal and reinstallation of the headlight swivel ECU, 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. Indicator light comes on for approximately 3 seconds, and then goes off (bulb check function).

      Tech Tips

      If the warning light does not come on when turning the ignition switch to ON, inspect and repair it according to Problem Symptoms Table.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    GO TO PROBLEM SYMPTOMS TABLE

    OK

  3. INITIALIZATION


    1. A01XCBPC02
      *a Front view of DLC3

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

      Text in Illustration
      *a Front view of DLC3
      SST
      09843-18040
    2. A01XEJ8C01
      *A for European Model
      *B except European Model

      Turn the low beam headlights on and off using the headlight dimmer 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 range A 1
      Fuel level is within range B 2
      Fuel level is within range C 3
      Fuel level is within range D 4
      Fuel level is within range E 5

      Note


      • Turn the low beam headlights on and off at intervals of less than 3 seconds.

      • Be sure to operate the headlight dimmer switch from outside the vehicle.

    3. Check the warning light.

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

      Tech Tips


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

      • If initialization cannot be finished normally, disconnect SST from the DLC3 and turn the ignition switch off. Then, restart from procedure 1.

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    GO TO PROBLEM SYMPTOMS TABLE Click here