Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001HCBN
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [01/2019 - 03/2019]
Title: M20A-FKS (FUEL): FUEL PUMP (for High Pressure): REMOVAL; 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]

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 fuel pump 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

  • Replacement of fuel pump assembly
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired

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

2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; 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:

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

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

2. DISCHARGE FUEL SYSTEM PRESSURE

Click here 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (FUEL): FUEL SYSTEM: PRECAUTION

3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL+

4. REMOVE EGR VALVE ASSEMBLY

Click here 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (EMISSION CONTROL): EGR VALVE: REMOVAL

5. REMOVE INTAKE MANIFOLD

Click here 2020 - 2022 MY Corolla Corolla Hatchback [01/2019 - 09/2022]; M20A-FKS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL

6. DISCONNECT FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the fuel tube sub-assembly from the fuel pump assembly.

Click here 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (FUEL): FUEL SYSTEM: PRECAUTION

7. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

(a) Disconnect the ignition coil assembly connector.

(b) Using an 8 mm socket wrench, remove the bolt.

(c) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.

(d) Loosen the 2 bolts of the fuel pump assembly.

(e) Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe and fuel pump assembly.

8. REMOVE FUEL PUMP ASSEMBLY

NOTICE:

When replacing the fuel pump assembly, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.

(a) Disconnect the fuel pump assembly connector.

(b) Remove the 2 bolts, fuel pump assembly and fuel pump flange from the cylinder head cover sub-assembly.

(c) Remove the O-ring from the fuel pump assembly.

(d) Remove the fuel pump lifter assembly from the fuel pump lifter guide.

(e) Remove the fuel pump spacer gasket from the cylinder head cover sub-assembly.