M20A-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR (for Sensor 2): INSTALLATION; 2019 - 2025 MY Corolla Corolla Hatchback [06/2018

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM100000001BH13
Model Year Start: 2019	Model: Corolla Hatchback	Prod Date Range: [06/2018 - ]
Title: M20A-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR (for Sensor 2): INSTALLATION; 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 - ]

INSTALLATION

1. INSTALL AIR FUEL RATIO SENSOR

HINT:

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

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(a) Using SST, install the air fuel ratio sensor to the front exhaust pipe assembly (TWC: Rear Catalyst).

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.
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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

(b) Install the No. 3 sensor bracket to the front suspension crossmember sub-assembly with the bolt.

Torque:

13 N·m {133 kgf·cm, 10 ft·lbf}

NOTICE:

Align the edge of the wire harness clamp bracket and air fuel ratio sensor as shown in the illustration.

(d) Engage the 2 wire harness clamps.

(e) Connect the air fuel ratio sensor connector.

2. INSTALL FRONT FLOOR CENTER BRACE

(a) Install the front floor center brace to the vehicle body with the 4 bolts.

Torque:

29 N·m {296 kgf·cm, 21 ft·lbf}

3. INSPECT FOR EXHAUST GAS LEAK

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4. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the air fuel ratio sensor.

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