Sfi System (For Hatchback) How To Proceed With Troubleshooting

Engine Hybrid System. Yaris. Ncp93, 131
1Nz-Fe Engine Control. Yaris. Ncp93, 131

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. CONNECT TECHSTREAM 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. CHECK DTC*

  11. REFER TO DTC CHART

  12. CONDUCT BASIC INSPECTION

  13. REFER TO PROBLEM SYMPTOMS TABLE

  14. CHECK ECM POWER SOURCE CIRCUIT

  15. CONDUCT CIRCUIT INSPECTION

  16. CHECK FOR INTERMITTENT PROBLEMS

  17. CONDUCT PARTS INSPECTION

  18. IDENTIFY PROBLEM

  19. ADJUST AND/OR REPAIR

  20. CONDUCT CONFIRMATION TEST

Sfi System (For Hatchback) -- How To Proceed With Troubleshooting


HINT:
*: Use the Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CUSTOMER PROBLEM ANALYSIS

      NEXT


      3.CONNECT TECHSTREAM TO DLC3*
        HINT:
        If the display indicates a communication fault in the Techstream, 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 (YARIS_NCP93 RM000000PDK0T5X.html) and freeze frame data (YARIS_NCP93 RM000000SXS05AX.html).

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

      NEXT


      5.CLEAR DTC AND FREEZE FRAME DATA*

      1. Clear DTCs and freeze frame data (YARIS_NCP93 RM000000PDK0T5X.html).


      NEXT


      6.CONDUCT VISUAL INSPECTION

        NEXT


        7.SELECT CHECK MODE DIAGNOSIS*

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

          2. HINT:
          Refer to Check Mode Procedure (YARIS_NCP93 RM000000PDL0L8X.html).

        NEXT


        8.CONFIRM PROBLEM SYMPTOMS

        1. Confirm problem symptoms.

          2. HINT:
          If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.
          Result
          Result
          		Proceed to
          Malfunction does not occur
          		A
          Malfunction occurs
          		B


        		B.
        GO TO STEP 10
        A


        9.SIMULATE SYMPTOMS
          HINT:
          Refer to Symptom Simulation (YARIS_NCP93 RM00000135202EX.html).

        NEXT


        10.CHECK DTC*

        1. Check for DTCs.

          2. HINT:
          Refer to DTC Check / Clear (YARIS_NCP93 RM000000PDK0T5X.html).
          Result
          Result
          		Proceed to
          Trouble code output
          		A
          No trouble code output
          		B


        		B.
        GO TO STEP 12
        A


        11.REFER TO DTC CHART

        1. Refer to Diagnostic Trouble Code Chart (YARIS_NCP93 RM000000PDF0EWX.html).


        NEXT


        12.CONDUCT BASIC INSPECTION

        1. Conduct basic inspection (YARIS_NCP93 RM000000PDM0JRX.html).

          2. 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

        1. Refer to Problem Symptoms Table (YARIS_NCP93 RM000000PDG0L6X.html).

          2. Result
          Result
          		Proceed to
          Malfunctioning circuit 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.

          2. HINT:
          Refer to ECM Power Source Circuit (YARIS_NCP93 RM000001F7102NX.html).

        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

        1. Check for intermittent problems.

          2. HINT:
          Refer to Check for Intermittent Problems (YARIS_NCP93 RM000000PDQ0Q2X.html).

        NEXT


        17.CONDUCT PARTS INSPECTION

          NEXT


          18.IDENTIFY PROBLEM

            NEXT


            19.ADJUST AND/OR REPAIR

              NEXT


              20.CONDUCT CONFIRMATION TEST

                NEXT

                END