SFI SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the intelligent tester.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
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    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    Result
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    NEXT

    NEXT

  3. CONNECT INTELLIGENT TESTER TO DLC3*

    Tech Tips

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

    When any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.

    Result
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    NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*

    Tech Tips

    If necessary, record or print DTCs and freeze frame data.


    Result
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    NEXT

    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA*

    Tech Tips

    Refer to the relevant pages.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  6. CONDUCT VISUAL INSPECTION

    Result
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    NEXT

    NEXT

  7. SET CHECK MODE DIAGNOSIS*

    Tech Tips

    Refer to Check Mode Procedure.

    Click here

    Result
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    NEXT

    NEXT

  8. CONFIRM PROBLEM SYMPTOMS

    Tech Tips


    • Refer to Problem Symptoms Table.

      Click here

    • If the engine does not start, first perform the Check for 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 Click here

    A

  9. SIMULATE SYMPTOMS

    Result
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    NEXT

    NEXT

  10. CHECK FOR DTC*

    Tech Tips

    Refer to the relevant pages.

    Click here

    Result
    Result Proceed to
    Trouble code output A
    No trouble code output B

    B

    GO TO STEP 12 Click here

    A

  11. REFER TO DTC CHART

    Tech Tips

    Refer to the relevant pages.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  12. CONDUCT BASIC INSPECTION

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

    B

    GO TO STEP 17 Click here

    A

  13. REFER TO PROBLEM SYMPTOMS TABLE

    Tech Tips

    Refer to Problem Symptoms Table.

    Click here

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

    B

    CONDUCT PARTS INSPECTION Click here

    A

  14. CHECK ECM POWER SOURCE CIRCUIT

    Tech Tips

    Refer to the relevant pages.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  15. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    B

    GO TO STEP 18 Click here

    A

  16. CHECK FOR INTERMITTENT PROBLEMS

    Result
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    NEXT

    NEXT

    GO TO STEP 18 Click here

  17. CONDUCT PARTS INSPECTION

    Result
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    NEXT

    NEXT

  18. IDENTIFY PROBLEM

    Result
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    NEXT

    NEXT

  19. ADJUST AND/OR REPAIR

    Result
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    NEXT

    NEXT

  20. CONDUCT CONFIRMATION TEST

    Result
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    NEXT

    NEXT

    END