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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 [02/2019 - 06/2020] >> Procedure

Hybrid System Indicator Malfunction [02/2019 - 06/2020]: Procedure

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

      Refer to DIAGNOSIS SYSTEM [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 06/2020]

      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 [02/2019 - 10/2019] , or refer to DIAGNOSIS SYSTEM [10/2019 - 06/2020]

    Result: 

    See step  2

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

      for 2WD:

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020]

      for AWD:

      Refer to DTC CHECK / CLEAR [02/2019 - 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 2WD:

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2018 - 06/2020]

    for AWD:

    Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 06/2020]

    Result: 

    See step  3

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

      Refer to DATA LIST / ACTIVE TEST [11/2018 - 08/2020]

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      HV System Indicator Hybrid system indicator value Min.: -512%, Max.: 511% -512 to 511% -

      Body Electrical > Combination Meter > Data List 

      Tester Display
      HV 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 [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020]

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [11/2018 - 10/2022]