Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001R5PH
Model Year Start: 2021 Model: RAV4 Prod Date Range: [08/2020 - 10/2022]
Title: A25A-FKS (COOLING): FLOW SHUTTING VALVE(for Heater): REMOVAL; 2021 - 2022 MY RAV4 [08/2020 - 10/2022]

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 Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*: When performing learning using the Techstream.

Click here 2019 - 2022 MY RAV4 [11/2018 - 10/2022]; PARK ASSIST / MONITORING: PARKING SUPPORT BRAKE SYSTEM (for Gasoline Model): CALIBRATION

Battery terminal is disconnected/reconnected

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

Stop and start system

2019 - 2021 MY RAV4 [11/2018 - 12/2021]; STOP AND START: STOP AND START SYSTEM: PRECAUTION 2022 MY RAV4 [12/2021 - 10/2022]; STOP AND START: STOP AND START SYSTEM: PRECAUTION

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

Parking support brake system (for Gasoline model)*

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 (for Gasoline Model)

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

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

Replacement of ECM

Perform Vehicle Identification Number (VIN) or frame number registration

DTC P063051 is output

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

Code registration

Engine start function

w/ Smart Key System: 2021 MY RAV4 [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2022 - 2024 MY RAV4 [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

w/o Smart Key System: 2019 - 2022 MY RAV4 [11/2018 - 10/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (for Gasoline Model without Smart Key System): REGISTRATION

for UB80E:

  • If transaxle compensation code read from ECM
    • Perform reset memory
    • Transfer transaxle compensation code
    • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization: 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for Registration: 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION

for UB80E:

  • If transaxle compensation code not read from ECM
    • Perform reset memory
    • Reset transaxle compensation code
    • Perform road test to allow ECM to learn

for UB80F:

  • If transaxle compensation code read from ECM
    • Perform reset memory
    • Transfer transaxle compensation code
    • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization: 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for Registration: 2019 - 2024 MY RAV4 [11/2018 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: REGISTRATION

for UB80F:

  • If transaxle compensation code not read from ECM
    • Perform reset memory
    • Reset transaxle compensation code
    • Perform road test to allow ECM to learn

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 (-) battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) 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 FLOW SHUTTING VALVE (NO. 1 WATER BY-PASS HOSE)

Click here 2021 - 2022 MY RAV4 [08/2020 - 10/2022]; A25A-FKS (COOLING): FLOW SHUTTING VALVE (for ATF): REMOVAL

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

(a) Detach the 2 clamps and disconnect the vacuum hose from the engine wire harness.

(b) Disconnect the 3 connectors.

(c) Detach the clamp and disconnect the engine wire harness from the water hose clamp bracket.

(d) 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.

(e) 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.

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

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

(h) Detach the 2 clamps and disconnect the wire harness.

(i) Remove the 2 bolts and the water hose clamp bracket.

(j) 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.

(k) Slide the clip and disconnect the flow shutting valve (water by-pass hose assembly) from the transmission oil cooler.

HINT:

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