HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR: REMOVAL; 2024 - 2025 MY RAV4 HV [10/2023

Last Modified: 05-08-2025	6.11:8.1.0	Doc ID: RM100000002FR78
Model Year Start: 2024	Model: RAV4 HV	Prod Date Range: [10/2023 - ]
Title: HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR: REMOVAL; 2024 - 2025 MY RAV4 HV [10/2023 - ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during hybrid battery thermistor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedures	Effect/Inoperative Function when Necessary Procedure not Performed
*: When performing learning using the Techstream. Click here
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane control system
		Parking support brake system*
		Pre-collision system
	Reset back door close position	Power back door system
	Back door lock initialization	Power door lock control system

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
Click here
To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

NOTICE:

After the ignition switch is turned off, the audio and visual system records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 2 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal.

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

2. REMOVE HV BATTERY

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3. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

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4. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

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5. REMOVE NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the 5 nuts.

(b) Pull back the rear No. 1 HV battery shield and remove the No. 2 hybrid battery shield sub-assembly from the HV battery.

*1	Rear No. 1 HV Battery Shield
*2	No. 2 Hybrid Battery Shield Sub-assembly
	Pull Back

HINT:

Pull back the rear No. 1 HV battery shield until it is separated from the stud bolt of the No. 2 hybrid battery shield sub-assembly.

6. REMOVE NO. 1 HV BATTERY INTAKE DUCT LH

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the clip to disconnect the No. 1 HV battery intake duct LH from the HV battery.

(b) Disengage the claw of hybrid battery thermistor (sensor portion) and remove the No. 1 HV battery intake duct LH.

7. REMOVE HYBRID BATTERY THERMISTOR

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Disengage the clamp.

(b) Disengage the 2 claws and remove the No. 1 hybrid battery packing from the HV battery.

(d) Disconnect the battery voltage sensor connector.

(e) Disengage the 4 clamps.

(f) Disengage the 3 claws of the hybrid battery thermistor (sensor portions) and remove the hybrid battery thermistor from the HV battery.