G16E-GTS (FUEL): FUEL PRESSURE SENSOR (for High Pressure): REMOVAL; 2023 MY GR Corolla [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000025V9I
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: G16E-GTS (FUEL): FUEL PRESSURE SENSOR (for High Pressure): 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 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	Inspection after repair	Poor idle, etc. Engine start function, etc.

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.

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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.

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.

PROCEDURE

1. PRECAUTION

NOTICE:

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

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2. DISCHARGE FUEL SYSTEM PRESSURE

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3. REMOVE DECK BOARD ASSEMBLY

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4. REMOVE SPARE WHEEL CUSHION

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5. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

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6. REMOVE FUEL PRESSURE SENSOR

CAUTION:

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.

(a) Disconnect the fuel pressure sensor connector.

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

NOTICE:

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