SFI SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

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HINT:
*: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.CUSTOMER PROBLEM ANALYSIS

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      3.CONNECT INTELLIGENT TESTER TO DLC3*

        HINT:
        If the display indicates a communication fault in the tester, inspect the DLC3.
        When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.


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      4.CHECK DTC AND FREEZE FRAME DATA*

        HINT:
        Record or print DTCs and freeze frame data, if necessary.
        1. Check the DTC (Click here).
        1. Check the freeze frame data (Click here).


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      5.CLEAR DTC AND FREEZE FRAME DATA*

        HINT:
        Refer to the relevant pages (Click here).


      NEXT


      6.CONDUCT VISUAL INSPECTION

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        7.SELECT CHECK MODE DIAGNOSIS*

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          8.CONFIRM PROBLEM SYMPTOMS

            HINT:
            If the engine does not start, perform steps 10 and 12 first.

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


          		B.
          GO TO STEP 10
          A


          9.SIMULATE SYMPTOMS

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            10.CHECK FOR DTC*

              HINT:
              Refer to the relevant pages (Click here).

              Result 
              Result
              		Proceed to
              Trouble code
              		A
              No code
              		B


            		B.
            GO TO STEP 12
            A


            11.REFER TO DTC CHART

              HINT:
              Refer to the relevant pages (Click here).


            NEXT

            GO TO STEP 14


            12.CONDUCT BASIC INSPECTION
              Result 
              Result
              		Proceed to
              Malfunctioning parts not confirmed
              		A
              Malfunctioning parts confirmed
              		B


            		B.
            GO TO STEP 17
            A


            13.REFER TO PROBLEM SYMPTOMS TABLE
              Result 
              Result
              		Proceed to
              Malfunctioning circuit confirmed
              		A
              Malfunctioning parts confirmed
              		B


            		B.
            GO TO STEP 17
            A


            14.CHECK ECM POWER SOURCE CIRCUIT

              HINT:
              Refer to the relevant pages (Click here).


            NEXT


            15.CONDUCT CIRCUIT INSPECTION
              Result 
              Result
              		Proceed to
              Malfunction not confirmed
              		A
              Malfunction confirmed
              		B


            		B.
            GO TO STEP 18
            A


            16.CHECK FOR INTERMITTENT PROBLEMS

              NEXT

              GO TO STEP 18


              17.CONDUCT PARTS INSPECTION

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                18.IDENTIFY PROBLEM

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                  19.ADJUST AND/OR REPAIR

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                    20.CONDUCT CONFIRMATION TEST

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                      END