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AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM DIAGNOSIS SYSTEM

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  1. DESCRIPTION


    1. Automatic headlight beam level control system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.

  2. CHECK DLC3


    1. Check the DLC3.

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  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery.

  4. DIAGNOSIS SYSTEM


    1. A01FMBJC03
      *a Headlight Leveling Warning Light
      *b Multi-information Display

      If the automatic headlight beam level control system malfunctions, the headlight leveling warning light illuminates and "Check Headlight System" is displayed on the multi-information display.

      Tip:

      • In this case, the headlight light control ECU sub-assembly LH stores DTCs.

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      • When the system returns to normal, the headlight leveling warning light turns off and "Check Headlight System" is no longer displayed on the multi-information display.