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Removal [11/2021 - ]: Procedure

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  1. READ VALUE USING GTS 
    1. GTY1075510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Read the Data List.

        Powertrain > HV Battery > Data List 

        Tester Display
        Hybrid Battery Temperature 1
        Hybrid Battery Temperature 2
        Hybrid Battery Temperature 3
        Hybrid Battery Temperature 4
        Hybrid Battery Temperature 5
        Hybrid Battery Temperature 6
        NOTE:

        If any of the temperatures listed in "Hybrid Battery Temperature 1 to 6" are 50°C or more, leave the vehicle until the temperature drops to less than 50°C.

  2. REMOVE HV BATTERY 

    Refer to PROCEDURE - Step 20

  3. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 23
  4. REMOVE NO. 1 HV BATTERY HOSE 
    Refer to PROCEDURE - Step 24
  5. REMOVE BATTERY ECU ASSEMBLY 
    Refer to PROCEDURE - Step 25
  6. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY 
    See step  21
  7. REMOVE HYBRID BATTERY TERMINAL BLOCK 
    See step  22
  8. REMOVE NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.
    1. GTY1074542Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE NO. 1 HV BATTERY COVER INTAKE DUCT 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.
    1. GTY1080400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the clip to disconnect the No. 1 HV battery cover intake duct from the HV battery.
      2. Disengage the claw of hybrid battery thermistor (sensor portion) and remove the No. 1 HV battery cover intake duct.
  10. REMOVE NO. 1 HV SUPPLY STACK SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:

    Insulate each disconnected high-voltage connector with insulating tape. Wrap the connector from the wire harness side to the end of the connector.
    1. GTY1074539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY998849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 2 HV SUPPLY STACK SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.
    1. GTY1074538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY998847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. PERFORM RECOVERY INSPECTION 
    NOTE:

    Before returning the HV supply stack sub-assembly, make sure to perform a recovery inspection.

    Refer to RECOVERY INSPECTION [11/2021 - ] 

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