Toyota Avalon (XX50): Fuse Box

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / Hybrid / Battery Control / Fuse Box

Components

COMPONENTS

ILLUSTRATION

*1	NO. 1 HV BATTERY SHIELD PANEL	*2	UPPER HV BATTERY COVER SUB-ASSEMBLY
*3	HYBRID BATTERY TERMINAL BLOCK	-	-
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

Inspection

INSPECTION

PROCEDURE

1. INSPECT HYBRID BATTERY TERMINAL BLOCK

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
Hybrid Battery Terminal Block	Always	Below 1 Ω

If the result is not as specified, replace the hybrid battery terminal block.

Installation

INSTALLATION

PROCEDURE

1. INSTALL HYBRID BATTERY TERMINAL BLOCK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Connect the 2 hybrid battery terminal block connectors.

NOTICE:

Make sure that the connectors are connected securely.

(b) Install the hybrid battery terminal block to the HV battery with the bolt.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

NOTICE:

Make sure to align the hole of the hybrid battery terminal block with the pin.

2. INSTALL NO. 1 HV BATTERY SHIELD PANEL

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3. INSTALL UPPER HV BATTERY COVER SUB-ASSEMBLY

Click here

4. INSTALL HV BATTERY

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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 terminal block 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 hybrid battery terminal block	High voltage fuse accumulated load history reset	DTCs are stored

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 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

Click here

2. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

Click here

3. REMOVE NO. 1 HV BATTERY SHIELD PANEL

Click here

4. REMOVE HYBRID BATTERY TERMINAL BLOCK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the bolt to separate the hybrid battery terminal block from the HV battery.