Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000025V93
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: G16E-GTS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL; 2023 MY GR Corolla [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

Inspection after repair

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

2023 - 2025 MY GR Corolla [09/2022 -        ]; G16E-GTS (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 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: FRONT CAMERA SYSTEM (for TMC Made): INITIALIZATION

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Power Door Lock Control System

  • Back door opener

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 GR Corolla [09/2022 - 11/2022]; G16E-GTS (FUEL): FUEL SYSTEM: PRECAUTION

3. REMOVE DECK BOARD ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL+

4. REMOVE SPARE WHEEL CUSHION

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Hatchback): REMOVAL+

5. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (BATTERY / CHARGING): GENERATOR: REMOVAL+

6. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

7. SEPARATE ENGINE WIRE

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

8. REMOVE FUEL PIPE CLAMP

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

9. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the No. 2 fuel tube sub-assembly from the fuel delivery pipe.

Click here 2023 MY GR Corolla [09/2022 - 11/2022]; G16E-GTS (FUEL): FUEL SYSTEM: PRECAUTION

10. REMOVE NO. 4 WATER BY-PASS PIPE

(a) Remove the 3 bolts and No. 4 water by-pass pipe from the cylinder head sub-assembly.

11. REMOVE OIL LEVEL GAUGE SUB-ASSEMBLY

(a) Remove the oil level gauge sub-assembly.

12. REMOVE OIL LEVEL GAUGE GUIDE

(a) Remove the bolt and oil level gauge guide from the cylinder head sub-assembly.

(b) Remove the O-ring from oil level gauge guide.

13. REMOVE FUEL DELIVERY GUARD

(a) Disengage the wire harness clamp.

(b) Remove the 2 bolts, 2 nuts and fuel delivery guard from the cylinder head sub-assembly and cylinder head cover sub-assembly.

14. REMOVE FUEL DELIVERY PIPE

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

(b) Remove the 2 bolts and fuel delivery pipe with the 3 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.

15. REMOVE FUEL DELIVERY SPACER

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

16. REMOVE INJECTOR VIBRATION INSULATOR

(a) Remove the 3 injector vibration insulators from the cylinder head sub-assembly.

17. REMOVE NO. 5 ENGINE WIRE

(a) Disconnect the 3 port fuel injector assembly connectors and fuel pressure sensor connector.

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

18. REMOVE PORT FUEL INJECTOR ASSEMBLY

(a) Pull the 3 port fuel injector assemblies out of the fuel delivery pipe.

(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.