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How To Proceed With Troubleshooting [09/2023 - ]: Procedure

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  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CONNECT GTS TO THE DLC3* 

    HINT: 

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK DTC AND SAVE FREEZE FRAME DATA* 
    1. Check DTC

      Powertrain > Hybrid Control > Trouble Codes 

    2. Check and save freeze frame data

      Refer to FREEZE FRAME DATA [09/2023 - ] 

      HINT: 

      • Make sure to save freeze frame data because the data is necessary for simulation tests.
      • If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.

        Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]

      Result

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

    Result: 

    B 

    PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2023 - ]  

    Result: 

    A 

    See step  5

  5. CLEAR DTC AND FREEZE FRAME DATA* 

    Powertrain > Hybrid Control > Trouble Codes 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  6

  6. CONDUCT VISUAL INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. CONFIRM PROBLEM SYMPTOMS 

    Result

    Result Proceed to
    Malfunction does not occur A
    Malfunction occurs B

    Result: 

    B 

    See step  10

    Result: 

    A 

    See step  8

  8. DUPLICATE CONDITIONS THAT PRODUCE SYMPTOMS 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CHECK FOR DTC* 

    Powertrain > Hybrid Control > Trouble Codes 

    Result

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

    Result: 

    B 

    See step  17

    Result: 

    A 

    See step  10

  10. CONDUCT BASIC INSPECTION 

    Result

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

    Result: 

    B 

    See step  18

    Result: 

    A 

    See step  11

  11. CHECK ECU POWER SOURCE CIRCUIT 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  12

  12. CONFIRM CIRCUITS INDICATED BY OUTPUT DTCS 

    Result

    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    Result: 

    B 

    See step  14

    Result: 

    A 

    See step  13

  13. CHECK FOR INTERMITTENT PROBLEMS 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]

    Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [09/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  14

  14. IDENTIFY PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  15

  15. ADJUST AND/OR REPAIR 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  16

  16. CONDUCT CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

  17. REFER TO DTC CHART 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2023 - ] 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  12

  18. CONDUCT PARTS INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  14

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