Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001EV9H
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 08/2020]
Title: A25A-FKS (ENGINE CONTROL): ECM: REMOVAL; 2019 - 2020 MY RAV4 [11/2018 - 08/2020]

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 ECM 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

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 (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 - 2025 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

w/ Canister Pump Module: 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM (w/ Canister Pump Module): REGISTRATION

w/o Canister Pump Module: 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM (w/o Canister Pump Module): REGISTRATION

ECU communication ID registration

Engine start function

See Service Bulletin for the registration method.

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 - 2025 MY RAV4 [11/2018 -        ]; UB80E (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for Registration: 2019 - 2025 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 - 2025 MY RAV4 [11/2018 -        ]; UB80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: INITIALIZATION

for Registration: 2019 - 2025 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 turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
  • If the ECM has been struck or dropped, replace it.
  • Perform Vehicle Identification Number (VIN) registration when replacing the ECM.
    • w/ Canister Pump Module:

      Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM (w/ Canister Pump Module): REGISTRATION

    • w/o Canister Pump Module:

      Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM (w/o Canister Pump Module): REGISTRATION

PROCEDURE

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2019 MY RAV4 [11/2018 - 10/2019]; MAINTENANCE: A25A-FKS BATTERY: REMOVAL 2020 MY RAV4 [10/2019 - 08/2020]; MAINTENANCE: A25A-FKS BATTERY: REMOVAL

2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2019 MY RAV4 [11/2018 - 10/2019]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2020 MY RAV4 [10/2019 - 08/2020]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE INLET AIR CLEANER ASSEMBLY

Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

4. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE

Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; A25A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

5. REMOVE ECM

(a) Rotate the 3 levers while pushing the locks, and disconnect the 3 ECM connectors.

NOTICE:

After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.

(b) Remove the 2 bolts, nut and ECM.

NOTICE:

If the ECM has been struck or dropped, replace it.

6. REMOVE NO. 1 ECM BRACKET

(a) Remove the 2 screws and No. 1 ECM bracket from the ECM.

7. REMOVE NO. 2 ECM BRACKET

(a) Remove the 2 screws and No. 2 ECM bracket from the ECM.