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Home >> Toyota >> 2021 >> RAV4 XLE, AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> Meter / Gauge System >> Hybrid System Indicator Malfunction [08/2020 - ] >> Procedure

Hybrid System Indicator Malfunction [08/2020 - ]: Procedure

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

      Refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021] , or refer to DIAGNOSIS SYSTEM [12/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - 11/2024] , or refer to DIAGNOSIS SYSTEM [11/2024 - ]

      Result

      Result Proceed to
      CAN communication DTCs are not output. A
      CAN communication DTCs are output. B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    Refer to DIAGNOSIS SYSTEM [08/2020 - 12/2021] , or refer to DIAGNOSIS SYSTEM [12/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - 11/2024] , or refer to DIAGNOSIS SYSTEM [11/2024 - ]

    Result: 

    See step  2

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

      for AWD with NICKEL METAL HYDRIDE BATTERY:

      Refer to DTC CHECK / CLEAR [02/2019 - 10/2022] , or refer to DTC CHECK / CLEAR [10/2022 - ]

      for LITHIUM-ION BATTERY:

      Refer to DTC CHECK / CLEAR [06/2020 - 10/2022] , or refer to DTC CHECK / CLEAR [10/2022 - ]

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      Hybrid control system DTCs are not output. A
      Hybrid control system DTC is output. B

    Result: 

    GO TO HYBRID CONTROL SYSTEM 

    for AWD with NICKEL METAL HYDRIDE BATTERY:

    Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

    for LITHIUM-ION BATTERY:

    Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

    Result: 

    See step  3

  3. READ VALUE USING TECHSTREAM (HV/EV SYSTEM INDICATOR) 
    1. Using the Techstream, perform the Active Test.

      Refer to DATA LIST / ACTIVE TEST [08/2020 - 10/2022] , or refer to DATA LIST / ACTIVE TEST [10/2022 - ]

      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 Current hybrid system indicator value "Unset" is displayed when the vehicle is stopped and the power switch is ON (READY).

      Body Electrical > Combination Meter > Data List 

      Tester Display
      HV/EV System Indicator

      OK

      Hybrid system indicator value displayed on the Techstream is almost the same as the hybrid system indicator indication.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [11/2018 - 10/2022] , or refer to REMOVAL [10/2022 - ]