FC BOOST CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • *: Use the GTS

  • Use the following procedure to troubleshoot the FC boost control system.

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 GTS TO THE DLC3*

    Tech Tips

    If the display on the GTS indicates a communication error, inspect the DLC3.

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*

    Click here

    Tech Tips


    • Make sure to save freeze frame data because the data is necessary for performing simulation tests.

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

    • Check the DTC(s) and freeze frame data for the FC control system and EV control system as well.

    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

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

    B

    GO TO STEP 10 Click here

    A

  8. DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS

    Result
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    NEXT

    NEXT

  9. CHECK FOR DTCS*

    Click here

    Result
    Result Proceed to
    DTCs are output A
    DTCs are not output B

    B

    CONDUCT BASIC INSPECTION Click here

    A

  10. REFER TO DTC CHART

    Result
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    NEXT

    NEXT

  11. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    B

    GO TO STEP 13 Click here

    A

  12. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result
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    NEXT

    NEXT

  13. IDENTIFY PROBLEM

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    NEXT

    NEXT

  14. ADJUST AND/OR REPAIR

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    NEXT

    NEXT

  15. CONDUCT CONFIRMATION TEST

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    NEXT

    NEXT

    END

  16. CONDUCT BASIC INSPECTION

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

    B

    CONDUCT PARTS INSPECTION Click here

    A

  17. CHECK ECU POWER SOURCE CIRCUIT

    Click here

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 11 Click here

  18. CONDUCT PARTS INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 13 Click here