Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM1000000026BTY
Model Year Start: 2023 Model: RAV4 HV Prod Date Range: [10/2022 -           ]
Title: A25A-FXS (ENGINE CONTROL): ENGINE COOLANT TEMPERATURE SENSOR: REMOVAL; 2023 - 2024 MY RAV4 HV [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 engine coolant temperature sensor 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

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: HYBRID CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): UTILITY

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

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

2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Engine coolant temperature sensor

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. DRAIN ENGINE COOLANT

Click here 2022 - 2024 MY RAV4 HV [12/2021 -        ]; MAINTENANCE: A25A-FXS COOLANT (for Engine): REPLACEMENT

2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (w/ Grille Shutter)

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2024 MY RAV4 HV [10/2023 -        ]; A25A-FXS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE INLET AIR CLEANER ASSEMBLY (w/ Grille Shutter)

Click here 2021 - 2024 MY RAV4 HV [08/2020 -        ]; A25A-FXS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

4. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE (w/ Grille Shutter)

Click here 2021 - 2024 MY RAV4 HV [08/2020 -        ]; A25A-FXS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

5. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR (w/ Grille Shutter)

(a) Disconnect the No. 2 engine coolant temperature sensor connector.

(b) Remove the clip and No. 2 engine coolant temperature sensor from the water outlet.

NOTICE:

If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.

6. REMOVE INVERTER WITH CONVERTER ASSEMBLY

Click here 2023 MY RAV4 HV [10/2022 - 10/2023]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER (for AWD): REMOVAL 2024 MY RAV4 HV [10/2023 -        ]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER (for AWD): REMOVAL

7. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the engine coolant temperature sensor connector.

(b) Remove the clip and engine coolant temperature sensor from the water outlet.

NOTICE:

If the engine coolant temperature sensor has been struck or dropped, replace it.