LANE DEPARTURE ALERT SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the lane departure alert system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT
  2. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

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

      Result
      Proceed to
      NEXT

    NEXT
  3. CHECK CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    B
    A
  4. CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM)*


    1. Check for DTCs and note any codes that are output.

      Click here


      Chassis > Lane Departure Alert > Trouble Codes
    2. Clear the DTCs.

      Click here


      Chassis > Lane Departure Alert > Clear DTCs
    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Click here


      Chassis > Lane Departure Alert > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B
    A
  5. PROBLEM SYMPTOMS TABLE

    Tech Tips

    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
    A
  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  7. ADJUST, REPAIR OR REPLACE

    Note

    When the lane departure warning camera is replaced with a new one, adjustment of the lane departure warning camera beam axis must be performed.

    Click here

    Result
    Proceed to
    NEXT

    NEXT
  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT