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 procedure to troubleshoot the cruise control 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

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  4. CHECK METER / GAUGE SYSTEM*


    1. Use the GTS to check if the meter / gauge system is functioning normally.

      Click here

      Result
      Result Proceed to
      Meter / gauge system DTCs are not output A
      Meter / gauge system DTCs are output B

    B

    GO TO METER / GAUGE SYSTEM Click here

    A

  5. CHECK VEHICLE STABILITY CONTROL SYSTEM*


    1. Use the GTS to check if the vehicle stability control system is functioning normally.


      • Vehicle stability control system (for Hydraulic brake booster): Click here

      • Vehicle stability control system (for Vacuum brake booster): Click here

      Result
      Result Proceed to
      Vehicle stability control system DTCs are not output A
      Vehicle stability control system DTCs are output B

    B

    GO TO VEHICLE STABILITY CONTROL SYSTEM Vehicle stability control system (for Hydraulic brake booster): Click here
    GO TO VEHICLE STABILITY CONTROL SYSTEM Vehicle stability control system (for Vacuum brake booster): Click here

    A

  6. CHECK FOR DTC*


    1. Check for DTCs.

      Click here

    2. Clear the DTCs.

      Click here

    3. Recheck for DTCs.

      Click here

      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  7. 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

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

    A

  8. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List/Active Test

      Click here

    2. Road test

      Click here

    3. Terminals of ECU

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  10. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END