Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026ZW9
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 - 11/2022]
Title: M20A-FKS (FUEL): FUEL PRESSURE SENSOR (for High Pressure): 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 fuel pressure 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 fuel pressure sensor
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor 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.
  • To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.

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. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL: BEFORE DISCONNECTING BATTERY

2. DISCHARGE FUEL SYSTEM PRESSURE

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

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL+

4. REMOVE INTAKE MANIFOLD

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL

5. REMOVE FUEL PRESSURE SENSOR

(a) Using an 8 mm socket wrench, remove the 2 bolts, fuel pressure sensor and No. 1 fuel pressure sensor holder from the fuel delivery pipe.

NOTICE:

  • Pull and remove the fuel pressure sensor in a straight line to avoid damaging the seal surface of the fuel delivery pipe O-ring.
  • After removing the fuel pressure sensor, remove any O-ring and fuel injector back-up rings remaining on the fuel delivery pipe side.