ECD 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 THE 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 on the CAN communication system first.

    Click here

    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.


    Result
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    NEXT

    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA*

    Click here

    Result
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    NEXT

    NEXT

  6. CONDUCT VISUAL INSPECTION

    Result
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    NEXT

    NEXT

  7. CONFIRM PROBLEM SYMPTOMS

    Tech Tips

    If the engine does not start, first perform the "Check for DTC" procedures and "Conduct Basic Inspection" procedures below.

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

    B

    GO TO STEP 9 Click here

    A

  8. SIMULATE SYMPTOMS

    Result
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    NEXT

    NEXT

  9. CHECK FOR DTC*

    Click here

    Result
    Result Proceed to
    Trouble code A
    No trouble code B

    B

    CONDUCT BASIC INSPECTION Click here

    A

  10. REFER TO DTC CHART

    Click here

    Result
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    NEXT

    NEXT

    GO TO STEP 13 Click here

  11. CONDUCT BASIC INSPECTION

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

    B

    GO TO STEP 16 Click here

    A

  12. 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

  13. CHECK ECM POWER SOURCE CIRCUIT

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  14. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    B

    GO TO STEP 17 Click here

    A

  15. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result
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    NEXT

    NEXT

    GO TO STEP 17 Click here

  16. CONDUCT PARTS INSPECTION

    Result
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    NEXT

    NEXT

  17. IDENTIFY PROBLEM

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    NEXT

    NEXT

  18. ADJUST AND/OR REPAIR

    Result
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    NEXT

    NEXT

  19. CONDUCT CONFIRMATION TEST

    Result
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    NEXT

    NEXT

    END