SFI SYSTEM(w/ EGR 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 intelligent tester, inspect the DLC3.

    Result
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    NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*

    Tech Tips

    Record or print DTCs and freeze frame data, if necessary Click here.

    Result
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    NEXT

    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA*

    Tech Tips

    Refer to DTC Check / Clear Click here.

    Result
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    NEXT

    NEXT

  6. CONDUCT VISUAL INSPECTION

    Result
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    NEXT

    NEXT

  7. SELECT 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 DTC" procedures and "Conduct Basic Inspection" procedures below.

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

    B

    GO TO STEP 10 Click here

    A

  9. SIMULATE SYMPTOMS

    Tech Tips

    Refer to Problem Symptoms Table Click here.

    Result
    Proceed to
    NEXT

    NEXT

  10. CHECK DTC*

    Tech Tips

    Refer to DTC Check / Clear Click here.

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

    B

    GO TO STEP 12 Click here

    A

  11. REFER TO DTC CHART

    Tech Tips

    Refer to Diagnostic Trouble Code Chart Click here.

    Result
    Proceed to
    NEXT

    NEXT

  12. CONDUCT BASIC INSPECTION

    Tech Tips

    Refer to Basic Inspection Click here.

    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

    GO TO STEP 17 Click here

    A

  14. CHECK ECM POWER SOURCE CIRCUIT

    Tech Tips

    Refer to ECM Power Source Circuit 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

    Tech Tips

    Refer to Check for Intermittent Problems Click here.

    Result
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    NEXT

    NEXT

  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
    Proceed to
    NEXT

    NEXT

    END