Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001YL5K
Model Year Start: 2022 Model: Avalon HV Prod Date Range: [08/2021 -           ]
Title: A25A-FXS (BATTERY / CHARGING): BATTERY CURRENT SENSOR: REMOVAL; 2022 MY Avalon HV [08/2021 -        ]

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 battery state sensor 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

Link
*1: When performing learning using the Techstream.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for HV Model): CALIBRATION

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision system

Intelligent clearance sonar system*1

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

Panoramic view monitor system

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION

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.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. REMOVE LUGGAGE TRIM SERVICE HOLE COVER

Click here 2022 MY Avalon HV [08/2021 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. REMOVE BATTERY STATE SENSOR ASSEMBLY

(a) Remove the nut and disconnect the No.2 frame wire from the battery state sensor assembly.

NOTICE:

When disconnecting the engine wire, some systems need to be initialized after the engine wire is reconnected.

Click here 2022 MY Avalon Avalon HV [08/2021 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

(b) Loosen the nut and remove the battery state sensor assembly from the auxiliary battery.

(c) Disconnect the battery state sensor assembly connector.