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. BASIC INSPECTION


    1. Measure the battery voltage with the ignition switch off.

      Standard Voltage
      11 to 14 V

    2. While using the parts location and system diagrams as a reference, inspect areas which can be visually checked for blown fuses, problems with wire harnesses (open and short circuits), improperly connected connectors, etc.

      Tech Tips

      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

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

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


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

      Click here

    2. Clear the DTCs .

      Click here

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Click here

      Result
      Result Proceed to
      DTCs are not output (symptoms can be confirmed or reproduced) A
      DTCs are not output (symptoms cannot be confirmed or reproduced) B
      DTCs are output C

    B

    GO TO SYMPTOM SIMULATION Click here

    C

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    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 7 Click here

    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

    If the pre-collision city sensor has been replaced, be sure to perform Pre-collision City Sensor Learning.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END