AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

  • Use the following procedure to troubleshoot the automatic headlight beam level control system.

  • *: Use the Techstream.

  1. VEHICLE BROUGHT TO WORKSHOP

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  2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE

    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

      NEXT

  4. CHECK FOR DTC*

    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC is output. B
      B

      Go to step 8
      A

  5. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table Click here.

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table. A
      Fault is listed in Problem Symptoms Table. B
      B

      Go to step 8
      A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

      NEXT

  7. ADJUST, REPAIR OR REPLACE

    NEXT

  8. CONFIRMATION TEST

    NEXT
    END