Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FH98
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 - 02/2019]
Title: HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL; 2019 MY RAV4 HV [11/2018 - 02/2019]

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

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane control system

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision system

Memorize steering angle neutral point

Parking assist monitor system

2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION

Panoramic view monitor system

2019 - 2022 MY RAV4 HV [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION

Reset back door close position

Power back door system

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

Replacement of hybrid vehicle control ECU assembly

Code registration

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

2019 MY RAV4 HV [11/2018 - 10/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

NOTICE:

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

6 minutes

Vehicle not enrolled in Toyota Entune system and safety connect system

1 minute

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read precaution thoroughly before servicing.

  • w/ Occupant Classification System:

    Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): PRECAUTION

  • w/o Occupant Classification System:

    Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/o Occupant Classification System): 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.

2. REMOVE DECK BOARD ASSEMBLY

Click here 2019 MY RAV4 HV [11/2018 - 02/2019]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

3. REMOVE REAR NO. 2 FLOOR BOARD

Click here 2019 MY RAV4 HV [11/2018 - 02/2019]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

4. REMOVE BATTERY HOLE COVER

Click here 2019 MY RAV4 HV [11/2018 - 02/2019]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here 2019 MY RAV4 HV [11/2018 - 02/2019]; 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 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

6. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY: REMOVAL

7. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the clamp.

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

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