LIGHTING SYSTEM REGISTRATION

CAUTION / NOTICE / HINT

Note


  • The necessary procedures (adjustment, calibration, registration) that must be performed after parts are removed and installed, or replaced during No. 1 headlight ECU sub-assembly LH removal/installation are shown below.

    Performed Work or System Condition Necessary Procedures Proceed to
    Replacement of the No. 1 headlight ECU sub-assembly LH Synchronize the vehicle information SYNCHRONIZE VEHICLE INFORMATION
    Battery terminal is disconnected and connected. Steering sensor zero point calibration

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  • A new No. 1 headlight ECU sub-assembly LH cannot operate until vehicle information synchronization has been performed.

  • After replacing the No. 1 headlight ECU sub-assembly LH, it is necessary to synchronize the vehicle information.

  • Even if the No. 1 headlight ECU sub-assembly RH is replaced with a new one, vehicle information synchronization is not necessary.

PROCEDURE


  1. SYNCHRONIZE VEHICLE INFORMATION


    1. When using the GTS:


      1. Turn the power switch off.

      2. Connect the GTS to the DLC3.

      3. Turn the power switch on (IG) and check that "Headlight System Malfunction Visit Your Dealer" warning message is displayed on the multi-information display.

      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 the display on the GTS and press "Next".

      6. Check that the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display continuously blinks 6 times at 2 Hz.

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

        Tech Tips


        • If the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display does not start blinking after performing step (v), perform the procedure again.

        • If the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display changes from blinking to illuminated, the rear height control sensor sub-assembly LH may be malfunctioning.

    2. When not using the GTS:


      1. Turn the power switch on (IG) and check that "Headlight System Uninitialized Visit Your Dealer" warning message is displayed on the multi-information display.

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

        Note

        If the low beam headlights illuminate when the power switch is on (IG), shine a light on the automatic light control sensor to turn the low beam headlights off before operating the light control switch. (w/o Light Control Switch off Position)

        Tech Tips

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

      3. Check that the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display continuously blinks 6 times at 2 Hz.

        Tech Tips


        • If the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display does not start blinking after performing step (ii), perform the procedure again.

        • If the "Headlight System Malfunction Visit Your Dealer" warning message on the multi-information display changes from blinking to illuminated, turn the power switch off and then on (IG). If the "Headlight System Malfunction Visit Your Dealer" warning message is displayed 5 seconds or more after the power switch was turned on (IG), the rear height control sensor sub-assembly LH may be malfunctioning.

      4. Turn the power switch off.