Removal [08/2021 - 09/2022]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / HV Battery / Data List / Hybrid Battery Temperature 1 to 6.

   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

4. Read the Data List.
   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.

Refer to REMOVAL [08/2021 - 09/2022]

Refer to PROCEDURE - Step 3

Refer to PROCEDURE - Step 10

Refer to PROCEDURE - Step 11

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.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bolt (A)
   *b	Bolt (B)

2. Install the bolt (B).

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

Refer to PROCEDURE - Step 18

Refer to REMOVAL [06/2018 - ]

1. Using the service plug grip, remove the battery cover lock striker.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Service Plug Grip
   *2	Battery Cover Lock Striker
   *a	Projection
   *b	Turn
   *c	Button

   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.

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.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A	Type A	*B	Type B
   *a	Shield Ground	-	-

2. Disconnect the shield ground from the HV battery.
3. Disconnect the floor wire connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disengage the clamp.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *A

   Type A

   *B

   Type B

2. Disconnect the electric vehicle battery plug assembly connector.
3. Disconnect the HV battery junction block assembly connector.

1. Disconnect the hybrid battery hose assembly from the vehicle.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disengage the 2 claws to remove the hybrid battery hose assembly from the HV battery.

Refer to PROCEDURE - Step 4

1. Disengage the 2 clamps.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disengage the clamp to remove the No. 4 HV battery protector from the HV battery.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disengage the clamp.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the HV battery connector.

1. Remove the 5 bolts and HV battery from the vehicle body.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   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. Remove the 4 nuts and No. 4 HV battery shield sub-assembly from the HV battery.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the 4 nuts and No. 3 HV battery shield sub-assembly from the HV battery.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the 2 bolts, 2 nuts and No. 4 HV battery end plate sub-assembly from the HV battery.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bolt
   *b	Nut

1. Remove the 12 nuts and No. 5 HV battery end plate sub-assembly from the HV battery.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Refer to RECOVERY INSPECTION [08/2020 - ]