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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (Meter / Gauge / Display - Diagnostic Codes & Symptom Tests (Hybrid)) >> METER / GAUGE SYSTEM (for HV Model) >> Symptom Tests >> Hybrid System Indicator Malfunction [08/2020 - ] >> Procedure

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

WARNING: This page is about a different variant/trim than selected.
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [08/2020 - 08/2021] , or refer to DIAGNOSIS SYSTEM [08/2021 - ]

      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 [04/2018 - ] 

    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 [08/2020 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ] 

    Result: 

    See step  3

  3. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data List.
    5. Read the Data List according to the display on the Techstream.

      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 [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]