Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001H4YL
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (ENGINE CONTROL): HEATED OXYGEN SENSOR: INSTALLATION; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

INSTALLATION

PROCEDURE

1. INSTALL HEATED OXYGEN SENSOR

(a) Using SST, install the heated oxygen 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 heated oxygen 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 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; 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

(b) Install the wire harness clamp bracket to the front suspension crossmember sub-assembly with the bolt.

Torque:

13 N·m {133 kgf·cm, 10 ft·lbf}

(c) Install the wire harness clamp bracket to the heated oxygen sensor.

NOTICE:

Align the edge of the wire harness clamp bracket and heated oxygen sensor as shown in the illustration.

*a

Correct

*b

Incorrect

*c

Standard Position

(d) Install the 2 wire harness clamps.

(e) Connect the heated oxygen 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

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (INTAKE / EXHAUST): EXHAUST PIPE: INSTALLATION+