Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001MTM1
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [09/2019 - 09/2022]
Title: M20A-FKS (EMISSION CONTROL): EGR COOLER: REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback [09/2019 - 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 EGR cooler 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
*1: for Hatchback

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System (for Gasoline Model)

Lighting System (w/ AFS)(EXT)

Initialize back door lock*1

Power Door Lock Control System (for Hatchback, Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Gas leaks from exhaust system is repaired

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

2020 MY Corolla Corolla Hatchback [09/2019 - 04/2020]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2021 - 2023 MY Corolla Corolla Hatchback [04/2020 - 11/2022]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))

PROCEDURE

1. DRAIN ENGINE COOLANT (for Fully Sealed Type)

Click here 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 -        ]; MAINTENANCE: M20A-FKS COOLANT: REPLACEMENT+

2. DRAIN ENGINE COOLANT (for Non-Fully Sealed Type)

Click here 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 -        ]; MAINTENANCE: M20A-FKS COOLANT: REPLACEMENT+

3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

Click here 2020 - 2025 MY Corolla Corolla Hatchback [09/2019 -        ]; M20A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

4. REMOVE BATTERY

Click here 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL

5. DISCONNECT ENGINE WIRE

(a) Remove the 3 bolts.

(b) Disconnect the 4 connectors.

(c) Disengage the wire harness clamp and disconnect the engine wire.

(d) Disconnect the 5 connectors.

(e) Disengage the 3 wire harness clamps and disconnect the engine wire.

(f) Remove the bolt and 2 nuts.

(g) Disconnect the 4 connectors.

(h) Disengage the wire harness clamp and disconnect the engine wire.

6. REMOVE EGR COOLER ASSEMBLY

(a) Slide the 2 clips and disconnect the No. 3 water by-pass hose and No. 4 water by-pass hose from the EGR cooler assembly.

*1

No. 3 Water By-pass Hose

*2

No. 4 Water By-pass Hose

(b) Remove the 2 bolts and wire harness clamp bracket from the EGR cooler assembly.

(c) Type A:

(1) Remove the 2 bolts and 3 nuts and EGR cooler assembly from the cylinder head sub-assembly and EGR valve assembly.

*a

Bolt or Nut

(d) Type B:

(1) Remove the 3 bolts and 2 nuts and EGR cooler assembly from the cylinder head sub-assembly and EGR valve assembly.

(e) Remove the EGR valve gasket from the EGR cooler assembly.

*1

EGR Valve Gasket

*2

EGR Cooler Gasket

(f) Remove the EGR cooler gasket from the EGR cooler assembly.