AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM INITIALIZATION

Note

If the headlight ECU sub-assembly LH has been replaced, it is the necessary synchronize the vehicle information.


  1. SYNCHRONIZE VEHICLE INFORMATION


    1. When using the GTS:


      1. Turn the engine switch off.

      2. Connect the GTS to the DLC3.

      3. Turn the engine switch on (IG), and check that the "Headlight System Uninitialized Visit Your Dealer" on the multi-information display continuously blink at 0.5 Hz.

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

      5. Check the display on the GTS and press "Next".

      6. Check that the "Headlight System Uninitialized Visit Your Dealer" on the multi-information display continuously blink 6 times at 2 Hz.

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

        Note

        After synchronizing the vehicle information, initialize the headlight ECU sub-assembly LH.

    2. When not using the GTS:


      1. Turn the engine switch on (IG), and check that the "Headlight System Uninitialized Visit Your Dealer" on the multi-information display continuously blink at 0.5 Hz.

      2. Using the light control switch, turn the low beam headlights on and off 8 times within 20 seconds after turning the engine switch on (IG).

        Note


        • If the low beam headlights or clearance lights turn on when the engine switch is turned on (IG) on a vehicle without the light control switch OFF position, shine a light on the automatic light control sensor to change the vehicle to daytime mode.

        • Turn the low beam headlights on and off at intervals of less than 2 seconds.

        Tech Tips

        If this step cannot be completed within 20 seconds, turn the engine switch off. Then, turn the engine switch on (IG) and restart the procedure.

      3. Check that the "Headlight System Uninitialized Visit Your Dealer" on the multi-information display continuously blink 6 times at 2 Hz.

        Tech Tips


        • If "Headlight System Uninitialized Visit Your Dealer" on the multi-information display does not stop continuously blinking 6 times at 2 Hz, perform the procedure again from the beginning.

        • If "Headlight System Uninitialized Visit Your Dealer" on the multi-information display stops blinking and remains illuminated, the headlight ECU sub-assembly or rear height control sensor sub-assembly may be malfunctioning.

      4. Turn the engine switch off.

        Note

        After synchronizing the vehicle information, initialize the headlight ECU sub-assembly LH.