Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001R5PR
Model Year Start: 2021 Model: RAV4 HV Prod Date Range: [08/2020 - 12/2021]
Title: A25A-FXS (COOLING): FLOW SHUTTING VALVE: REMOVAL; 2021 MY RAV4 HV [08/2020 - 12/2021]

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 flow shutting valve (water by-pass hose assembly) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedures

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*: When performing learning using the Techstream.

Click here 2019 - 2022 MY RAV4 HV [02/2019 - 10/2022]; 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

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

Parking support brake system*

Pre-collision system

Lighting system (EXT)(w/ AFS)

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 inverter with converter assembly

Resolver learning
  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

for AWD with NICKEL METAL HYDRIDE BATTERY:

2019 - 2024 MY RAV4 HV [02/2019 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): UTILITY

for LITHIUM-ION BATTERY:

2020 - 2024 MY RAV4 HV [06/2020 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

DTC P063051 is output

2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

Grille shutter switch specification infomation

Vehicle control history (RoB) [X260E] is stored

2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; A25A-FXS (ENGINE CONTROL): SFI 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. REMOVE INVERTER WITH CONVERTER ASSEMBLY

Click here 2021 MY RAV4 HV [08/2020 - 12/2021]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER (for AWD): REMOVAL

2. DRAIN ENGINE COOLANT (for Engine)

Click here 2019 - 2021 MY RAV4 HV [02/2019 - 12/2021]; MAINTENANCE: A25A-FXS COOLANT (for Engine): REPLACEMENT+

3. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)

(a) Disconnect the flow shutting valve (water by-pass hose assembly) connector.

(b) Disconnect the outlet heater water hose connector from the No. 2 water by-pass pipe sub-assembly.

NOTICE:

Remove any foreign matter on the No. 2 water by-pass pipe sub-assembly and outlet heater water hose connector before performing this work.

(1) Pull out the retainer to detach the lock claws and pull off the outlet heater water hose connector.

*a

Retainer

Pull out

Pull off

(2) Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.

(3) Cover the disconnected No. 2 water by-pass pipe sub-assembly and outlet heater water hose connector with plastic bags to prevent damage and contamination.

(c) Disconnect the inlet heater water hose connector from the flow shutting valve (water by-pass hose assembly).

NOTICE:

Remove any foreign matter on the flow shutting valve (water by-pass hose assembly) and inlet heater water hose connector before performing this work.

(1) Pull out the retainer to detach the lock claws and pull off the inlet heater water hose connector.

*a

Retainer

Pull out

Pull off

(2) Check that there is no foreign matter on the sealing surfaces of the disconnected water lines. Clean them if necessary.

(3) Cover the disconnected inlet heater water hose connector with a plastic bag to prevent damage and contamination.

(d) Remove the bolt to disconnect the No. 2 water by-pass pipe sub-assembly.

(e) Remove the bolt to disconnect the flow shutting valve (water by-pass hose assembly).

(f) Slide the clip and disconnect the flow shutting valve (water by-pass hose assembly) from the water by-pass outlet sub-assembly.

HINT:

Use a container to catch any engine coolant which flows out of the flow shutting valve (water by-pass hose assembly) and water by-pass outlet sub-assembly.