Removal [12/2023 - ]: Procedure

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 [09/2023 - ]

Refer to PRECAUTION [09/2023 - ]

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   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.

Refer to PROCEDURE - Step 1

Refer to REMOVAL [12/2023 - ]

Refer to PROCEDURE - Step 6

Refer to PROCEDURE - Step 19

Refer to PROCEDURE - Step 11

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   *1	Service Plug Grip	*2	No. 23 Traction Battery Bracket
   *a	Projection	*b	Turn
   *c	Button	-	-
   	Install in this Direction	-	-

   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 4 nuts and engine under cover heat insulator.

Refer to REMOVAL [12/2023 - ]

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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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. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

WARNING: Be sure to wear insulated gloves and protective goggles. NOTE: Insulate the disconnected terminals and connector with insulating tape.

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   *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.

WARNING: Be sure to wear insulated gloves and protective goggles. NOTE: Insulate the disconnected terminals and connector with insulating tape.

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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   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.

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   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.

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. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Before returning the HV supply battery assembly, make sure to perform a recovery inspection.

   Refer to RECOVERY INSPECTION [12/2023 - ]