Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM1000000026RLI
Model Year Start: 2023 Model: RAV4 HV Prod Date Range: [10/2022 - 10/2023]
Title: MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL; 2023 MY RAV4 HV [10/2022 - 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 auxiliary battery removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedures

Necessary Procedures

Effect/Inoperative Function When Necessary Procedures are not Performed

Link
*: When performing learning using the Techstream.

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane control system

2022 - 2025 MY RAV4 RAV4 HV [12/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Parking support brake system (for HV model)*

Pre-collision system

Reset back door close position

Power back door system (for HV model)

2019 - 2023 MY RAV4 HV [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for HV Model): INITIALIZATION

Back door lock initialization

Power door lock control system

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

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.

    Click here 2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When replacing the battery, use a new battery of the same dimensions and same capacity or more from the same class at a 20-hour rate.

2. REMOVE DECK BOARD ASSEMBLY

(a) Remove the deck board assembly.

3. REMOVE REAR NO. 2 FLOOR BOARD

(a) Detach the 2 clips and 2 guides and remove the luggage trim service hole cover.

4. REMOVE BATTERY HOLE COVER

(a) Detach the 12 claws and remove the battery hole cover.

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

(a) Loosen the nut, and disconnect the cable from the negative (-) auxiliary battery terminal.

NOTICE:

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

Click here 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

6. REMOVE AUXILIARY BATTERY

(a) Open the connector cover.

(b) Loosen the nut and disconnect the cable from the positive (+) auxiliary battery terminal.

(c) Disconnect the battery hose from the auxiliary battery.

(d) Remove the bolt, nut and battery clamp sub-assembly as shown in the illustration.

(e) Remove the auxiliary battery.

(f) w/ No. 1 Battery Spacer:

Remove the No. 1 battery spacer.