SFI SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


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 intelligent tester, inspect the DLC3.


      NEXT


      4.CHECK DTC AND FREEZE FRAME DATA*

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


      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*

        HINT:
        Refer to DTC Check / Clear (Click here).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SELECT CHECK MODE DIAGNOSIS*

          HINT:
          Refer to Check Mode Procedure (Click here).


        NEXT


        8.CONFIRM PROBLEM SYMPTOMS

          HINT:
          1. Refer to Problem Symptoms Table (Click here).
          2. If the engine does not start, first perform the "Check DTC" procedures and "Conduct Basic Inspection" procedures below.

          Result
          		Proceed to
          Malfunction does not occur
          		A
          Malfunction occurs
          		B


        		B.
        GO TO STEP 10
        A


        9.SIMULATE SYMPTOMS

          HINT:
          Refer to Problem Symptoms Table (Click here).


        NEXT


        10.CHECK DTC*

          HINT:
          Refer to DTC Check / Clear (Click here).

          Result
          		Proceed to
          DTC is output
          		A
          DTC is not output
          		B


        		B.
        GO TO STEP 12
        A


        11.REFER TO DTC CHART

          HINT:
          Refer to Diagnostic Trouble Code Chart (Click here).


        NEXT


        12.CONDUCT BASIC INSPECTION

          HINT:
          Refer to Basic Inspection (Click here).

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


        		B.
        GO TO STEP 17
        A


        13.REFER TO PROBLEM SYMPTOMS TABLE

          HINT:
          Refer to Problem Symptoms Table (Click here).

          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 ECM Power Source Circuit (Click here).


        NEXT


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


        		B.
        GO TO STEP 18
        A


        16.CHECK FOR INTERMITTENT PROBLEMS

          HINT:
          Refer to Check for Intermittent Problems (Click here).


        NEXT


        17.CONDUCT PARTS INSPECTION

          NEXT


          18.IDENTIFY PROBLEM

            NEXT


            19.ADJUST AND/OR REPAIR

              NEXT


              20.CONDUCT CONFIRMATION TEST

                NEXT

                END