Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GYKS
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 11/2022]
Title: 2ZR-FAE (ENGINE CONTROL): HEATED OXYGEN SENSOR: REMOVAL; 2020 - 2023 MY Corolla [01/2019 - 11/2022]

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 heated oxygen 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
  • Replacement of heated oxygen sensor
  • Gas leak from exhaust system is repaired

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE FRONT FLOOR CENTER BRACE

(a) Remove the 4 bolts and front floor center brace from the vehicle body.

2. REMOVE HEATED OXYGEN SENSOR

CAUTION:

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

(a) Disconnect the heated oxygen sensor connector.

(b) Disengage the 2 clamps.

(c) Remove the wire harness clamp bracket from the heated oxygen sensor.

(d) Using SST, remove the heated oxygen sensor from the front exhaust pipe assembly (TWC: Front and Rear Catalyst).

SST: 09224-00012

NOTICE:

If the heated oxygen sensor has been struck or dropped, replace it.