Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000002FR6R
Model Year Start: 2024 Model: RAV4 HV Prod Date Range: [10/2023 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL; 2024 MY RAV4 HV [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 hybrid vehicle control ECU assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for HV Model): CALIBRATION

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane control system

2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Parking support brake system*

Pre-collision system

Reset back door close position

Power back door system

2024 MY RAV4 RAV4 HV [10/2023 -        ]; DOOR / HATCH: POWER BACK DOOR SYSTEM: INITIALIZATION

Back door lock initialization

Power door lock control system

2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

w/ Smart Key System:

  • Hybrid vehicle control ECU assembly

Code registration

  • Wireless door lock control system (with smart key system)
  • Smart key system (for Entry function)
  • Smart key system (for start function)
  • Hybrid control system cannot be started

2022 - 2024 MY RAV4 HV [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

w/o Smart Key System:

  • Hybrid vehicle control ECU assembly

Code registration

Engine start function

2023 - 2024 MY RAV4 HV [10/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (for HV Model without Smart Key System): REGISTRATION

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition 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 Audio Multimedia system or safety connect system

6 minutes

Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system

1 minute

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read precaution thoroughly before servicing.

Click here 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: 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.

2. REMOVE DECK BOARD ASSEMBLY

Click here 2024 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. REMOVE REAR NO. 2 FLOOR BOARD

Click here 2024 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

4. REMOVE BATTERY HOLE COVER

Click here 2024 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here 2024 MY RAV4 HV [10/2023 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL

CAUTION:

  • Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
  • If the airbag deploys for any reason, it may cause a serious accident.

NOTICE:

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

Click here 2024 MY RAV4 RAV4 HV [10/2023 -        ]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

6. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here 2024 MY RAV4 RAV4 HV [10/2023 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY: REMOVAL

7. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY

(a) Disconnect the connector.

(b) w/ VEHICLE APPROACHING SPEAKER CONTROLLER:

(1) Disconnect the connector.

(c) Disengage the clamp.

(d) Disconnect the 3 hybrid vehicle control ECU assembly connectors as shown in the illustration.

(e) Remove the 2 nuts and hybrid vehicle control ECU assembly.

8. REMOVE VEHICLE APPROACHING SPEAKER CONTROLLER (w/ VEHICLE APPROACHING SPEAKER CONTROLLER)

Click here 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE APPROACHING SPEAKER ECU: REMOVAL+