CRUISE CONTROL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use the following procedure to troubleshoot the cruise control system.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT AUXILIARY BATTERY VOLTAGE

    1. Measure the auxiliary battery voltage with the power switch off.

      2. Standard Voltage:
      11 to 14 V

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

    NEXT


    3.CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

    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.
    GO TO CAN COMMUNICATION SYSTEM (Click here)
    A


    4.CHECK FOR DTC*
      Refer to DTC Check / Clear (Click here).

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

    2. Clear the DTCs.

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

      Result:
      Result
      		Proceed to
      DTC does not reoccur
      		A
      DTC reoccurs
      		B



    		B.
    GO TO DTC CHART (Click here )
    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.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU (Click here)

    2. Data List / Active Test (Click here)


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    7.ADJUST, REPAIR OR REPLACE

      NEXT


      8.CONFIRMATION TEST

        NEXT

        END