Sfi System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CONNECT GTS TO DLC3*

  4. CHECK DTC AND FREEZE FRAME DATA*

  5. CLEAR DTC AND FREEZE FRAME DATA*

  6. CONDUCT VISUAL INSPECTION

  7. SELECT CHECK MODE DIAGNOSIS*

  8. CONFIRM PROBLEM SYMPTOMS

  9. SIMULATE SYMPTOMS

  10. DTC CHECK*

  11. REFER TO DTC CHART

  12. CONDUCT BASIC INSPECTION

  13. REFER TO PROBLEM SYMPTOMS TABLE

  14. CHECK ECM POWER SOURCE CIRCUIT

  15. CIRCUIT INSPECTION

  16. CHECK FOR INTERMITTENT PROBLEMS

  17. CONDUCT PARTS INSPECTION

  18. IDENTIFICATION OF PROBLEM

  19. ADJUSTMENT AND/OR REPAIR

  20. CONDUCT CONFIRMATION TEST

Sfi System -- How To Proceed With Troubleshooting


*: Use the GTS.
1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

      NEXT


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

      NEXT


      4.CHECK DTC AND FREEZE FRAME DATA*

      1. Check for DTCs (LandCruiser RM000000VNG00DX.html) and freeze frame data.

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

      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*

      1. Clear the DTCs and freeze frame data (LandCruiser RM000000VNG00DX.html).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SELECT CHECK MODE DIAGNOSIS*

        1. Switch the ECM from normal mode to check mode.

          HINT:
          Refer to Check Mode Procedure (LandCruiser RM000000VNH00AX.html).

        NEXT


        8.CONFIRM PROBLEM SYMPTOMS

        1. Confirm problem symptoms.

          HINT:
          1. Refer to Problem Symptoms Table (LandCruiser RM000000PDG10AX.html).
          2. If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.
          2. Result
          		Proceed To
          Malfunction does not occur
          		A
          Malfunction occurs
          		B


        		B.
        GO TO STEP 10
        A


        9.SIMULATE SYMPTOMS

          NEXT


          10.DTC CHECK*

          1. Check for DTCs.

            HINT:
            Refer to DTC Check / Clear (LandCruiser RM000000VNG00DX.html).
            2. Result
            		Proceed To
            Trouble code output
            		A
            No code
            		B


          		B.
          GO TO STEP 12
          A


          11.REFER TO DTC CHART
            HINT:
            Refer to Diagnostic Trouble Code Chart (LandCruiser RM000000VNN00FX.html).

          NEXT

          GO TO STEP 14


          12.CONDUCT BASIC INSPECTION

          1. Conduct basic inspection.

            HINT:
            Refer to Basic Inspection (LandCruiser RM000000VNI00AX.html).
            2. 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 (LandCruiser RM000000PDG10AX.html).
            Result
            		Proceed To
            Malfunctioning parts not confirmed
            		A
            Malfunctioning parts confirmed
            		B


          		B.
          GO TO STEP 17
          A


          14.CHECK ECM POWER SOURCE CIRCUIT

          1. Check the ECM power source circuit.

            HINT:
            Refer to ECM Power Source Circuit (LandCruiser RM0000027690EIX.html).

          NEXT


          15.CIRCUIT INSPECTION
            Result
            		Proceed To
            Malfunction not confirmed
            		A
            Malfunction confirmed
            		B


          		B.
          GO TO STEP 18
          A


          16.CHECK FOR INTERMITTENT PROBLEMS

          1. Check for intermittent problems.

            HINT:
            Refer to Check for Intermittent Problems (LandCruiser RM000000VNL00AX.html).

          NEXT

          GO TO STEP 18


          17.CONDUCT PARTS INSPECTION

            NEXT


            18.IDENTIFICATION OF PROBLEM

              NEXT


              19.ADJUSTMENT AND/OR REPAIR

                NEXT


                20.CONDUCT CONFIRMATION TEST

                  NEXT

                  END