CRUISE CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedures to troubleshoot the 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, recharge or replace the 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 B

    B
    A
  4. CHECK DTC OUTPUT*


    1. Check for DTCs.

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs.

      Click here

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

    B
    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
    A
  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Road Test.

      Click here

    2. Terminals of ECM.

      Click here

    3. Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  7. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT