Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001QOTQ
Model Year Start: 2021 Model: RAV4 Prod Date Range: [08/2020 -           ]
Title: A25A-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR: REMOVAL; 2021 - 2024 MY RAV4 [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 air fuel ratio 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

  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 2)

Inspection after repair

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

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. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2021 MY RAV4 [08/2020 - 12/2021]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2022 MY RAV4 [12/2021 - 10/2022]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2023 MY RAV4 [10/2022 - 10/2023]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+ 2024 MY RAV4 [10/2023 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

2. REMOVE AIR FUEL RATIO SENSOR

CAUTION:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

(a) for Sensor 1:

(1) Detach the 3 wire harness clamps.

(2) Disconnect the air fuel ratio sensor connector.

(3) Using SST, remove the air fuel ratio sensor from the exhaust manifold.

SST: 09224-00012

NOTICE:

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

(b) for Sensor 2:

(1) Detach the 2 wire harness clamps.

(2) Disconnect the air fuel ratio sensor connector.

(3) Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.

SST: 09224-00012

NOTICE:

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