Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Hybrid / Battery Control / Hv Battery Thermistor / Removal

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 Procedure	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 departure alert system (w/ Steering Control)
		Pre-collision system
		Intelligent clearance sonar system*
		Lighting System (for HV Model with Cornering Light)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system
Replacement of HV battery	Battery status info update	HV battery status information cannot be updated

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 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.

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PROCEDURE

1. REMOVE HV BATTERY

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2. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

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3. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

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4. 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.

5. 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.

6. 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.

Installation

Hv Battery

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

Installation

Hv Battery

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Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual