Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM10000000258CJ
Model Year Start: 2023 Model: RAV4 Prod Date Range: [10/2022 - 10/2023]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL; 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]

REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during occupant detection ECU removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

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 [10/2022 - 10/2023]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for Gasoline Model): CALIBRATION

Disconnect cable from negative (-) auxiliary battery terminal

Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)

Stop and start system

2023 MY RAV4 [10/2022 - 10/2023]; STOP AND START: STOP AND START SYSTEM: PRECAUTION

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 (for Gasoline model)*

Pre-collision system

Reset back door close position

Power back door system (for Gasoline model)

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

  • Occupant detection ECU
  • Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: INITIALIZATION

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

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

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

Disconnect cable from negative (-) auxiliary 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 (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 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

  • Occupant detection ECU
  • Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: INITIALIZATION

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.

    Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • If the front seat airbag assembly was deployed, replace the front seat airbag assembly, front seatback frame sub-assembly, separate type front seatback pad and separate type front seatback cover with the necessary parts in accordance with the extent of the collision damage.
  • Replace any other damaged parts as necessary.

2. REMOVE DECK BOARD ASSEMBLY (for HV Model)

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. REMOVE REAR NO. 2 FLOOR BOARD (for HV Model)

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

4. REMOVE BATTERY HOLE COVER (for HV Model)

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

  • for A25A-FKS:

    Click here 2023 MY RAV4 [10/2022 - 10/2023]; MAINTENANCE: A25A-FKS BATTERY: REMOVAL+

  • for A25A-FXS:

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

6. REMOVE FRONT SEAT ASSEMBLY RH

(a) for Manual Seat:

HINT:

Use the same procedure described for the LH side.

Click here 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; SEAT: FRONT SEAT ASSEMBLY (for Manual Seat): REMOVAL

(b) for Power Seat:

HINT:

Use the same procedure described for the LH side.

Click here 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; SEAT: FRONT SEAT ASSEMBLY (for Power Seat): REMOVAL

7. REMOVE OCCUPANT DETECTION ECU

(a) for Manual Seat:

(1) Disconnect the 2 connectors.

(2) Insert a screwdriver at the position shown in the illustration and detach the claw and remove the occupant detection ECU.

NOTICE:

If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one.

HINT:

Tape the screwdriver tip before use.

Protective Tape

(b) for Power Seat:

(1) Disconnect the 2 connectors.

Protective Tape

(2) Insert a screwdriver at the position shown in the illustration and detach the claw and remove the occupant detection ECU.

NOTICE:

If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one.

HINT:

Tape the screwdriver tip before use.