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 COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*


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

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

    B
    A
  4. CHECK FOR DTC*

    Refer to DTC Check / Clear.

    Click here


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

    2. Clear the DTCs.


      Powertrain > Cruise Control > Clear DTCs
    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.


      Powertrain > Cruise Control > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output B

    B
    A
  5. PROBLEM SYMPTOMS TABLE

    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 ECM

      Click here

    2. Data List / Active Test

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  7. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT
  8. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT