Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001QOTR
Model Year Start: 2021 Model: RAV4 Prod Date Range: [08/2020 -           ]
Title: A25A-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR: INSTALLATION; 2021 - 2024 MY RAV4 [08/2020 -        ]

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repairs" after replacing the air fuel ratio sensor.

Click here 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. INSTALL AIR FUEL RATIO SENSOR

HINT:

Perform "Inspection After Repairs" after replacing the air fuel ratio sensor.

Click here 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2022 - 2024 MY RAV4 RAV4 HV [12/2021 -        ]; A25A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

(a) for Sensor 2:

(1) Using SST, install the air fuel ratio sensor to the front exhaust pipe assembly.

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the air fuel ratio sensor has been struck or dropped, replace it.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 37.7 N*m (384 kgf*cm, 28 ft.*lbf)

*a

Torque Wrench Fulcrum Length

(2) Connect the air fuel ratio sensor connector.

*a

Tie Band

*b

Wire Harness Clamp

(3) Attach the 2 wire harness clamps so that the tie band is positioned as shown in the illustration.

(b) for Sensor 1:

(1) Using SST, install the air fuel ratio sensor to the exhaust manifold.

SST: 09224-00012

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

NOTICE:

If the air fuel ratio sensor has been struck or dropped, replace it.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 37.7 N*m (384 kgf*cm, 28 ft.*lbf)

*a

Torque Wrench Fulcrum Length

(2) Connect the air fuel ratio sensor connector.

*a

Tie Band

*b

Wire Harness Clamp

(3) Attach the 3 wire harness clamps so that the tie band is positioned as shown in the illustration.

2. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2021 MY RAV4 [08/2020 - 12/2021]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+ 2022 - 2024 MY RAV4 [12/2021 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: INSTALLATION+

3. INSPECT FOR EXHAUST GAS LEAK

Click here 2021 - 2024 MY RAV4 [08/2020 -        ]; A25A-FKS (INTAKE / EXHAUST): EXHAUST PIPE: INSTALLATION+