HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR: REMOVAL; 2019 MY RAV4 HV [11/2018

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001FH9P
Model Year Start: 2019	Model: RAV4 HV	Prod Date Range: [11/2018 - 02/2019]
Title: HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR: REMOVAL; 2019 MY RAV4 HV [11/2018 - 02/2019]

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
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane control system
	Perform steering sensor zero point calibration	Pre-collision system
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor 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.
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To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

NOTICE:

After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name	See Procedure
Vehicle enrolled in Toyota Entune system or safety connect system	6 minutes
Vehicle not enrolled in Toyota Entune system and safety connect system	1 minute

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the power 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.