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Removal [11/2021 - ]: Procedure

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  1. PRECAUTION 
    NOTE:

    After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - ]

    Refer to PRECAUTION [11/2021 - ]

  2. 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.

  3. REMOVE SERVICE PLUG GRIP 

    Refer to PROCEDURE - Step 5

  4. REMOVE INVERTER PROTECTOR NO. 2 

    See step  8

  5. DISCONNECT ENGINE ROOM MAIN WIRE 

    Refer to PROCEDURE - Step 4

  6. REMOVE CONNECTOR COVER ASSEMBLY 

    See step  10

  7. CHECK TERMINAL VOLTAGE 

    See step  11

  8. INSTALL CONNECTOR COVER ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1078466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using a T25 "TORX" socket wrench, install the connector cover assembly to the inverter with converter assembly with the bolt (A).

        Torque: 4.5 N*m (46 kgf*cm, 40 in.*lbf) 

        NOTE:

        Do not touch the waterproof seal of the connector cover assembly.

      2. Install the bolt (B).

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  9. CONNECT ENGINE ROOM MAIN WIRE 

    Refer to PROCEDURE - Step 31

  10. INSTALL NO. 2 INVERTER PROTECTOR 

    See step  18

  11. REMOVE BATTERY COOLING BLOWER ASSEMBLY 

    Refer to REMOVAL [11/2021 - ]

  12. REMOVE NO. 1 HV BATTERY COVER PANEL RH 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1079372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Service Plug Grip *2 Battery Cover Lock Striker
      *a Projection *b Turn
      *c Button - -
      1. Using the service plug grip, remove the battery cover lock striker.

        HINT: 

        Insert the projection of the service plug grip and turn the button of the battery cover lock striker counterclockwise to release the lock.

      2. Remove the 3 bolts, 3 nuts and No. 1 HV battery cover panel RH from the HV battery.
  13. DISCONNECT FLOOR UNDER WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1080349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Shield Ground - -
      1. Disconnect the 2 HV battery junction block assembly connectors.
        NOTE:

        Insulate each disconnected high-voltage connector with insulating tape. Wrap the connector from the wire harness side to the end of the connector.

      2. Disconnect the shield ground from the HV battery.
  14. DISCONNECT FLOOR WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1074167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE HYBRID BATTERY HOSE ASSEMBLY 
    1. GTY1074168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE NO. 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 
    Refer to PROCEDURE - Step 3
  17. DISCONNECT FLOOR WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1074732Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE NO. 4 HV BATTERY PROTECTOR 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1074174Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. DISCONNECT FLOOR WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1074175Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE HV BATTERY 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:
    • Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the HV battery.
    • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
    • Use cardboard or another similar material to protect the HV battery and vehicle body from damage.
    • Since the HV battery is very heavy, 2 people are needed to remove it. When removing the HV battery, be careful not to damage the parts around it.
    • When removing the HV battery from the vehicle, do not allow it to contact the vehicle.
    • When removing/installing/moving the HV battery, make sure not to tilt it more than 80°.
    • Insulate the disconnected terminals or connectors with insulating tape.
    • If the HV battery has been struck or dropped, replace it.
    1. GTY1074733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. PERFORM RECOVERY INSPECTION 
    1. Before returning the HV battery, make sure to perform a recovery inspection.

      Refer to RECOVERY INSPECTION [11/2021 - ] 

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