HYBRID BATTERY 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
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    Result
    Proceed to
    NEXT

    NEXT

  3. CONNECT INTELLIGENT TESTER TO DLC3*

    Tech Tips

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

    Result
    Proceed to
    NEXT

    NEXT

  4. CHECK DTC AND SAVE FREEZE FRAME DATA*


    1. Check for DTC.

      Click here

    2. Check for Freeze frame data.

      Click here

      Tech Tips


      • for LHD:

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

        Click here

      • for RHD:

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

        Click here

      Result
      Proceed to
      NEXT

    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA*

    Click here

    Result
    Proceed to
    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, perform steps 9 and 11 first.

    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
    Proceed to
    NEXT

    NEXT

  9. CHECK FOR DTCS*

    Click here

    Result
    Result Proceed to
    Trouble code A
    No code B

    B

    CONDUCT BASIC INSPECTION Click here

    A

  10. REFER TO DTC CHART

    Click here

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 13 Click here

  11. CONDUCT BASIC INSPECTION

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

    B

    CONDUCT PARTS INSPECTION Click here

    A

  12. CHECK ECU POWER SOURCE CIRCUIT

    Result
    Proceed to
    NEXT

    NEXT

  13. CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    B

    GO TO STEP 16 Click here

    A

  14. CHECK FOR INTERMITTENT PROBLEMS

    Click here

    Result
    Proceed to
    NEXT

    NEXT

    GO TO STEP 16 Click here

  15. CONDUCT PARTS INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  16. IDENTIFY PROBLEM

    Result
    Proceed to
    NEXT

    NEXT

  17. ADJUST AND/OR REPAIR

    Result
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    NEXT

    NEXT

  18. CONDUCT CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END