DYNAMIC RADAR CRUISE CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the dynamic radar cruise control system.

  • *: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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

    Result
    Proceed to
    NEXT

    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD) B
      CAN DTC is output (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  4. CHECK FOR DTC*


    1. Clear the DTC.

      Click here

    2. Recheck for DTC.

      Click here

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

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to the 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. Operation Check.

      Click here

    2. Terminals of ECU.

      Click here

    3. Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. ADJUST, REPAIR OR REPLACE

    Note


    • If the driving support ECU has been replaced, turn the power switch OFF → ON (IG) for 10 seconds or more → OFF to perform the initialization.

    • When the front millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

      Click here

    Result
    Proceed to
    NEXT

    NEXT

  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END