Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026ZUC
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 - 11/2022]
Title: M20A-FKS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL; 2023 MY Corolla Corolla Hatchback [09/2022 - 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 port fuel injector 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 port fuel injector assembly
  • Replacement of No. 2 fuel pressure sensor.
  • Replacement of EGR valve assembly
  • Gas leak 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

CAUTION:

  • Never perform work on fuel system components near any possible ignition sources.
  • Vaporized fuel could ignite, resulting in a serious accident.
  • Do not perform work on fuel system components without first disconnecting the cable from the negative (-) battery terminal.
  • Sparks could cause vaporized fuel to ignite, resulting in a serious accident.

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

HINT:

When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Front Camera System (for TMC Made)

Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM (for TMC Made): INITIALIZATION

Pre-collision System (for TMMMS Made)

Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; ADVANCED DRIVER ASSISTANCE SYSTEM: PRE-COLLISION SYSTEM (for TMMMS Made): INITIALIZATION

Lane Tracing Assist System (for TMMMS Made)

Lane Departure Alert System (for TMMMS Made)

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link
*1: for Hatchback

Power Door Lock Control System

  • Back door opener*1

Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for TMC Made): INITIALIZATION

PROCEDURE

1. REMOVE NO. 2 FUEL PRESSURE SENSOR

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; M20A-FKS (FUEL): FUEL PRESSURE SENSOR: REMOVAL

2. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Remove the fuel pipe clamp from the fuel tube connector.

(b) Disconnect the fuel tube sub-assembly from the fuel delivery pipe sub-assembly.

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; M20A-FKS (FUEL): FUEL SYSTEM: PRECAUTION

3. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

(a) Disconnect the No. 5 engine wire connector.

(b) Remove the 2 bolts and fuel delivery pipe sub-assembly with the 4 port fuel injector assemblies from the cylinder head sub-assembly.

NOTICE:

  • If fuel intrudes into the combustion chamber, there may be adverse affects to the engine main body.
  • Be careful not to drop the port fuel injector assemblies when removing the fuel delivery pipe sub-assembly.

4. REMOVE FUEL DELIVERY SPACER

(a) Remove the 2 fuel delivery pipe spacers from the cylinder head sub-assembly.

5. REMOVE INJECTOR VIBRATION INSULATOR

(a) Remove the 4 injector vibration insulators from the cylinder head sub-assembly.

6. REMOVE NO. 5 ENGINE WIRE

(a) Disconnect the 4 port fuel injector assembly connectors.

(b) Disengage the 2 clamps to remove the No. 5 engine wire from the fuel delivery pipe sub-assembly.

7. REMOVE PORT FUEL INJECTOR ASSEMBLY

(a) Pull the 4 port fuel injector assemblies out of the fuel delivery pipe sub-assembly.

(b) Remove the O-ring from each port fuel injector assembly.

(c) Attach a tag or label with the corresponding cylinder number to each port fuel injector assembly so that they can be installed to their original locations.

NOTICE:

Cover the port fuel injector assemblies with plastic bags to prevent damage and contamination.