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Home >> Toyota >> 2024 >> Land Cruiser Base >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Hybrid Battery Control System - Service Information (1 Of 2) >> HV Battery >> Removal [02/2024 - ] >> Procedure

Removal [02/2024 - ]: Procedure

  1. PRECAUTION 
    NOTE:
    • If the HV supply battery assembly has been struck or dropped, replace it.
    • When connecting a connector to the HV supply battery assembly, confirm that the connector is securely connected through the following:

      - Push the connector until a click sound is heard.

      - Visually check and confirm that the connector is securely connected by pulling on it.

    • Make sure to insulate the high-voltage connectors and terminals of the HV supply battery assembly with insulating tape after removing it.

      If the HV supply battery assembly stored without insulating the connectors and terminals, electric shock or fire may result.

    • When performing repairs around the HV supply battery assembly, such as using a tap, do not allow metal shavings to enter the HV supply battery assembly.
    • Do not touch any high voltage wire harnesses, connectors or parts with bare hands.
    • Hold the areas shown in the illustration and lift the HV supply battery assembly.
      GTY1096914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Do not allow foreign matter, such as grease or oil, to adhere to the bolts or nuts of the HV supply battery assembly.
    • Do not put your hands into the openings of the HV supply battery assembly.
      GTY1097589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Opening
    • When removing/installing/moving the HV supply battery assembly assembly, make sure not to tilt it more than 80°.
    • Do not climb on top of or stand on the HV supply battery assembly.
    • Do not allow any foreign matter or water to enter the HV supply battery assembly.
    • If any bolts, nuts or clips are dropped into the HV supply battery assembly, make sure to remove them.
  2. READ VALUE USING GTS 
    1. GTY1097466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Read the Data List.

        Powertrain > Hybrid Control > Data List 

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

        If any of the temperatures listed in "Hybrid/EV 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 REMOVAL [02/2024 - ]

  4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to REMOVAL [02/2024 - ]

  5. REMOVE UPPER INVERTER COVER SUB-ASSEMBLY 
    See step  5
  6. REMOVE INVERTER TERMINAL COVER 
    See step  6
  7. CHECK TERMINAL VOLTAGE 
    See step  7
  8. INSTALL INVERTER TERMINAL COVER 
    See step  15
  9. INSTALL UPPER INVERTER COVER SUB-ASSEMBLY 
    See step  16
  10. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to INSTALLATION [02/2024 - ]

  11. REMOVE TONNEAU COVER ASSEMBLY (w/ Tonneau Cover) 

    Refer to PROCEDURE - Step 3

  12. REMOVE REAR NO. 2 SEAT ASSEMBLY (w/ Rear No. 2 Seat) 

    Refer to REMOVAL [02/2024 - ]

  13. REMOVE DECK BOARD ASSEMBLY (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 10

  14. REMOVE ROPE HOOK ASSEMBLY (w/o Rear No. 2 Seat) 
    Refer to PROCEDURE - Step 9
  15. REMOVE DECK BOARD ASSEMBLY (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 11

  16. REMOVE REAR FLOOR BOARD REAR LH (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 13

  17. REMOVE REAR FLOOR BOARD REAR RH (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 14

  18. REMOVE DECK SIDE TRIM BOX RH (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 16

  19. REMOVE REAR FLOOR REAR MAT SUPPORT PLATE (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 15

  20. REMOVE REAR DECK FLOOR BOX (w/o Rear No. 2 Seat) 
    Refer to PROCEDURE - Step 12
  21. REMOVE REAR DECK FLOOR BOX (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 17

  22. REMOVE NO. 1 REAR FLOOR BOARD ASSEMBLY (w/o Rear No. 2 Seat) 

    Refer to PROCEDURE - Step 18

  23. REMOVE REAR FLOOR REAR MAT (w/ Rear No. 2 Seat) 
    1. GTY1223708Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. REMOVE EV BATTERY PANEL SUB-ASSEMBLY (w/o Rear No. 2 Seat) 
    1. GTY1226944Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. REMOVE NO. 3 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 

    Refer to PROCEDURE - Step 8

  26. REMOVE BATTERY COVER LOCK STRIKER 
    WARNING:

    Wear insulated gloves.
    1. GTY1096649Courtesy 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.

  27. REMOVE NO. 9 HV BATTERY SHIELD PANEL 
    WARNING:

    Wear insulated gloves.
    1. GTY1226938Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1224597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. DISCONNECT FLOOR UNDER WIRE 
    WARNING:

    Wear insulated gloves.
    1. GTY1226158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Nut Connector
      1. Remove the 2 nuts.
      2. Disconnect the 4 connectors.
        NOTE:

        To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.

      3. Using a screwdriver to disengage the claw and disconnect the floor wire from the traction battery device box.
  29. DISCONNECT NO. 3 FLOOR WIRE 
    WARNING:

    Wear insulated gloves.
    1. GTY1224588Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE NO. 2 HV BATTERY INTAKE DUCT LH 
    1. GTY1224600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE NO. 2 HYBRID BATTERY INTAKE DUCT 
    1. GTY1224602Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. DISCONNECT FLOOR WIRE 
    1. GTY1224589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE HV SUPPLY BATTERY ASSEMBLY 
    WARNING:

    Wear insulated gloves.
    1. GTY1221515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 8 bolts and HV supply battery assembly.
        NOTE:
        • Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the HV supply battery assembly.
        • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
        • Since the HV supply battery assembly is very heavy, 2 people are needed to remove it. When removing the HV supply battery assembly, be careful not to damage the parts around it.
        • When removing/installing/moving the HV supply battery assembly, make sure not to tilt it more than 80°.
        • If the HV supply battery assembly has been struck or dropped, replace it.
  34. REMOVE NO. 11 EV BATTERY CARRIER BRACKET 
    WARNING:

    Wear insulated gloves.
    1. GTY1092269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE NO. 10 EV BATTERY CARRIER BRACKET 
    WARNING:

    Wear insulated gloves.
    1. GTY1097655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE NO. 3 HYBRID BATTERY INTAKE DUCT LH 
    WARNING:

    Wear insulated gloves.
    1. GTY1089493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE NO. 3 HYBRID BATTERY INTAKE DUCT RH 
    WARNING:

    Wear insulated gloves.
    1. GTY1089486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  38. REMOVE NO. 2 HV BATTERY SHIELD PANEL 
    WARNING:

    Wear insulated gloves.
    1. GTY1089487Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  39. REMOVE NO. 1 HV BATTERY SHIELD PANEL 
    WARNING:

    Wear insulated gloves.
    1. GTY1097067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  40. REMOVE NO. 13 EV BATTERY CARRIER BRACKET 
    WARNING:

    Wear insulated gloves.
    1. GTY1226936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. REMOVE NO. 12 EV BATTERY CARRIER BRACKET 
    WARNING:

    Wear insulated gloves.
    1. GTY1224585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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