Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002715P
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 -           ]
Title: M20A-FKS (INTAKE / EXHAUST): EXHAUST PIPE (for Double Wishbone Type Suspension): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]

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 front exhaust pipe assembly (TWC: Rear Catalyst) and tail exhaust pipe assembly 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 (sensor 2)
  • Gas leaks from exhaust system is repaired

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

2021 - 2023 MY Corolla Corolla Hatchback [04/2020 - 11/2022]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

CAUTION:

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

PROCEDURE

1. REMOVE FRONT FLOOR COVER LH

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

2. REMOVE FRONT FLOOR COVER RH

HINT:

Perform the same procedure as for the front floor cover LH.

3. REMOVE FRONT FLOOR CENTER BRACE

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

4. REMOVE TAIL EXHAUST PIPE ASSEMBLY

CAUTION:

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

(a) for Hatchback:

(1) Remove the 2 bolts and 2 compression springs and disconnect the tail exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst).

(b) except Hatchback:

(1) Remove the 2 bolts and 2 compression springs and disconnect the tail exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst).

(c) Remove the tail exhaust pipe assembly from the 4 exhaust pipe supports.

(d) Remove the gasket from the front exhaust pipe assembly (TWC: Rear Catalyst).

5. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

CAUTION:

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

(a) Disconnect the air fuel ratio sensor connector.

(b) Disengage the wire harness clamp.

(c) Remove the 2 bolts and 2 compression springs and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold (TWC: Front Catalyst).

*A

for Hatchback

*B

except Hatchback

(d) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the 2 exhaust pipe supports.

(e) Remove the gasket from the exhaust manifold (TWC: Front Catalyst).

6. REMOVE AIR FUEL RATIO SENSOR

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