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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery Control System - Service Information (2 Of 4) >> HV BATTERY (for PHEV Model) >> Removal [08/2023 - ] >> Procedure

Removal [08/2023 - ]: Procedure

  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 [10/2022 - ]

    Refer to PRECAUTION [10/2022 - ]

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

        Enter the following menus: Powertrain / HV supply battery assembly / Data List / Hybrid/EV Battery Temperature 1 to 20.

        Powertrain > HV Battery > 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
        Hybrid/EV Battery Temperature 7
        Hybrid/EV Battery Temperature 8
        Hybrid/EV Battery Temperature 9
        Hybrid/EV Battery Temperature 10
        Hybrid/EV Battery Temperature 11
        Hybrid/EV Battery Temperature 12
        Hybrid/EV Battery Temperature 13
        Hybrid/EV Battery Temperature 14
        Hybrid/EV Battery Temperature 15
        Hybrid/EV Battery Temperature 16
        Hybrid/EV Battery Temperature 17
        Hybrid/EV Battery Temperature 18
        Hybrid/EV Battery Temperature 19
        Hybrid/EV Battery Temperature 20
        NOTE:

        If any of the temperatures listed in "Hybrid/EV Battery Temperature 1 to 20" are 50°C or more, leave the vehicle until the temperature drops to less than 50°C.

  3. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    Refer to PROCEDURE - Step 2

  4. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [08/2023 - ]

  5. REMOVE NO. 2 INVERTER PROTECTOR 

    Refer to PROCEDURE - Step 8

  6. REMOVE CONNECTOR COVER ASSEMBLY 
    Refer to PROCEDURE - Step 9
  7. CHECK TERMINAL VOLTAGE 
    Refer to PROCEDURE - Step 10
  8. INSTALL CONNECTOR COVER ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    Do not allow any foreign matter or water to enter the inverter with converter assembly.
    1. GTY1079589Courtesy 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).
      2. Install the 2 bolts (B).

        Torque: 8.0 N.m (82 kgf/cm, 

  9. INSTALL NO. 2 INVERTER PROTECTOR 

    Refer to PROCEDURE - Step 19

  10. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10 [10/2022 - 10/2024] , or refer to PROCEDURE - Step 10 [10/2024 - ]

  11. REMOVE FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 35

  12. REMOVE NO. 2 FLOOR UNDER COVER 
    1. GTY1079956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 36

  14. REMOVE ENGINE UNDER COVER HEAT INSULATOR 
    1. GTY1079066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Service Plug Grip *2 No. 23 Traction Battery Bracket
      *a Projection *b Turn
      *c Button - -
      1. Insert the projection of the service plug grip and turn the button of the No. 23 traction battery bracket counterclockwise to release the lock to remove the No. 23 traction battery bracket.
      2. Remove the 2 bolts, 2 nuts and engine under cover heat insulator.
  15. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    Refer to REMOVAL [08/2023 - ]

  16. REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR 
    1. GTY1080024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE FRONT LOWER NO. 1 FLOOR HEAT INSULATOR 
    1. GTY1080023Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. DISCONNECT NO. 3 LIQUID TUBE 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:

    Seal the openings of the disconnected parts with vinyl tape to prevent entry of moisture and foreign matter.
    1. GTY1080037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. DISCONNECT NO. 9 DISCHARGE TUBE 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:

    Seal the openings of the disconnected parts with vinyl tape to prevent entry of moisture and foreign matter.
    1. GTY1080035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. DISCONNECT FLOOR UNDER WIRE 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:

    Insulate the disconnected terminals and connector with insulating tape.
    1. GTY1080032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1079560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Green-colored Lock - -
      Slide - -
      1. Disengage the rubber cap and slide it as shown in the illustration.
      2. Using a screwdriver, slide the green-colored lock of the connector as shown in the illustration to release it and disconnect the HV floor under wire.
  21. DISCONNECT NO. 2 TRACTION BATTERY WIRE 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:

    Insulate the disconnected terminals and connector with insulating tape.
    1. GTY1080045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. REMOVE HV SUPPLY BATTERY ASSEMBLY 
    WARNING:
    • Because the weight of the HV supply battery assembly is extremely heavy, make sure to follow the work procedures described in the appropriate service information .
    • If work is not performed according to the procedures described in the appropriate service information , there is a danger that the components could fall down.
    • Do not damage the HV supply battery assembly with the fork etc.
    • Be sure to wear insulated gloves and protective goggles.
    GTY563885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. GTY1079113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Area That Can Touch The Ground - -
      1. Using an engine lifter and 4 attachments or equivalent tools, support the HV supply battery assembly as shown in the illustration.
        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.
        • Do not apply any load outside of the area that can touch the ground.
    2. GTY1080042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. GTY1080453Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Area That Can Touch The Ground - -
      1. Slowly lower the engine lifter to remove the HV supply battery assembly.
        NOTE:

        Be careful not to drop the HV supply battery assembly.

      2. Follow the procedure below when moving the HV supply battery assembly from the engine lifter.
      3. Install the SST at the position shown in the illustration.
        • SST: 09893-42010 
      4. Using 4 hooks, 4 belt slings and a chain block, hoist the HV supply battery assembly.
        NOTE:

        When removing/installing/moving the HV supply battery assembly, make sure not to tilt it more than 80°.

      5. Using the height adjustable attachment, set so that the HV supply battery assembly is in contact with the position shown in the illustration, and place the HV supply battery assembly on the height adjustable attachment.
        NOTE:
        • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
        • 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.
        • Do not apply any load outside of the area that can touch the ground.
        • Do not place the lower surface of the battery on the ground.
  23. REMOVE VALVE TO CONNECTOR TUBE 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    NOTE:
    • Insulate the disconnected terminals and connector with insulating tape.
    • Seal the openings of the disconnected parts with vinyl tape to prevent entry of moisture and foreign matter.
    1. GTY1080000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. PERFORM RECOVERY INSPECTION 
    1. Before returning the HV supply battery assembly, make sure to perform a recovery inspection.

      Refer to RECOVERY INSPECTION [08/2023 - ]

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