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Hybrid System Indicator Malfunction [09/2022 - ]: Procedure

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  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [09/2022 - 11/2022] , or refer to DIAGNOSIS SYSTEM [11/2022 - ]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ]

    Result: 

    See step  2

  2. CHECK FOR DTC (HYBRID CONTROL SYSTEM) 
    1. Check if hybrid control system DTCs are output.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

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

    Result: 

    GO TO HYBRID CONTROL SYSTEM 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2022 - ]

    Result: 

    See step  3

  3. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      HV/EV System Indicator Hybrid system indicator value Min.: -101%, Max.: 511% or Unset See [Normal Condition 1] "Unset" is displayed when the vehicle is stopped and the ignition switch is ON (READY).

      HINT: 

      [Normal Condition 3]: HV/EV System Indicator 

      1. Refer to the following table to find the approximate indicated value of the hybrid system indicator based on the value of the Data List item:
        Data List: HV/EV System Indicator (%) Hybrid System Indicator Indication
        Unset Not indicated
        -100 Approximately 1 is indicated
        -50 Approximately 2 is indicated
        0 Approximately 3 is indicated
        50 Approximately 4 is indicated
        100 Approximately 5 is indicated
        200 Approximately 6 is indicated
        300 Approximately 7 is indicated
        400 Approximately 8 is indicated
        500 Approximately 9 is indicated
        GTY1121666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for 7 Inch Type Multi-information Display

      Body Electrical > Combination Meter > Data List 

      Tester Display
      HV/EV System Indicator

      Result

      Result Proceed to
      The value displayed in the Data List and on the hybrid system indicator approximately match A
      The value displayed in the Data List and on the hybrid system indicator do not match B

    Result: 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]