Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001H4YG
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (ENGINE CONTROL): AIR FUEL RATIO SENSOR: REMOVAL; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

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
  • Replacement of air fuel ratio sensor
  • Gas leak from exhaust system is repaired

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2019]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2019 - 09/2022]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL

2. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+ 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV [11/2022 -        ]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

3. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 09/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+ 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV [11/2022 -        ]; FRONT SUSPENSION: FRONT SHOCK ABSORBER (except G16E-GTS): REMOVAL+

4. 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) Disconnect the air fuel ratio sensor connector.

(b) Disengage the 2 wire harness clamps.

(c) Using SST, remove the air fuel ratio sensor from the exhaust manifold (TWC: Front Catalyst).

SST: 09224-00012

NOTICE:

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