2ZR-FAE (ENGINE CONTROL): AIR FUEL RATIO SENSOR: INSTALLATION; 2020 - 2023 MY Corolla [01/2019

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM100000001GYKO
Model Year Start: 2020	Model: Corolla	Prod Date Range: [01/2019 - 11/2022]
Title: 2ZR-FAE (ENGINE CONTROL): AIR FUEL RATIO SENSOR: INSTALLATION; 2020 - 2023 MY Corolla [01/2019 - 11/2022]

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 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.
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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) Engage the 2 clamps.

2. INSTALL FRONT NO. 1 FLOOR HEAT INSULATOR

(a) Install the front No. 1 floor heat insulator to the vehicle body with the 3 nuts.

Torque:

5.0 N·m {51 kgf·cm, 44 in·lbf}

3. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst)

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4. PERFORM INITIALIZATION

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

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