HYBRID CONTROL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

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HINT:
The intelligent tester should be used in steps 3, 4, 5 and 10.



1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

      NEXT


      3.CONNECT INTELLIGENT TESTER TO THE DLC3

        HINT:
        If the display indicates a communication fault in the tester, inspect the DLC3.


      NEXT


      4.CHECK DTC AND FREEZE FRAME DATA

        HINT:
        Record or print DTCs and freeze frame data, if necessary.


      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA

        NEXT


        6.CONDUCT VISUAL INSPECTION

          NEXT


          7.CONFIRM PROBLEM SYMPTOMS

            HINT:
            If the engine does not start, perform steps 9 and 11 first.

            Result:
            Result
            		Proceed to
            Malfunction does not occur
            		A
            Malfunction occurs
            		B



          		B.
          GO TO STEP 10
          A


          8.SIMULATE SYMPTOMS

            NEXT


            9.CHECK DTC

              Result:
              Result
              		Proceed to
              Malfunction code
              		A
              No code
              		B



            		B.
            GO TO STEP 11
            A


            10.REFER TO DTC CHART

              NEXT

              GO TO STEP 13


              11.CONDUCT BASIC INSPECTION

                Result:
                Result
                		Proceed to
                Malfunctioning parts not confirmed
                		A
                Malfunctioning parts confirmed
                		B



              		B.
              GO TO STEP 16
              A


              12.REFER TO PROBLEM SYMPTOMS TABLE

                Result:
                Result
                		Proceed to
                Malfunctioning circuit confirmed
                		A
                Malfunctioning parts confirmed
                		B



              		B.
              GO TO STEP 16
              A


              13.CHECK ECU POWER SOURCE CIRCUIT

                NEXT


                14.CONDUCT CIRCUIT INSPECTION

                  Result:
                  Result
                  		Proceed to
                  Malfunction not confirmed
                  		A
                  Malfunction confirmed
                  		B



                		B.
                GO TO STEP 17
                A


                15.CHECK FOR INTERMITTENT PROBLEMS

                  NEXT

                  GO TO STEP 17


                  16.CONDUCT PARTS INSPECTION

                    NEXT


                    17.IDENTIFY PROBLEM

                      NEXT


                      18.ADJUST AND/OR REPAIR

                        NEXT


                        19.CONDUCT CONFIRMATION TEST

                          NEXT

                          END