A25A-FXS (FUEL): FUEL PRESSURE SENSOR: REMOVAL; 2019 - 2021 MY Avalon HV [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001B4LT
Model Year Start: 2019	Model: Avalon HV	Prod Date Range: [04/2018 - 08/2021]
Title: A25A-FXS (FUEL): FUEL PRESSURE SENSOR: REMOVAL; 2019 - 2021 MY Avalon HV [04/2018 - 08/2021]

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 No. 2 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
*: When performing learning using the Techstream. Click here
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Departure Alert System (w/ Steering Control)
		Pre-collision System
		Intelligent Clearance Sonar System*
		Lighting System (for HV Model with Cornering Light)
	Memorize steering angle neutral point	Parking Assist Monitor System
	Memorize steering angle neutral point	Panoramic View Monitor System
Replacement of No.2 fuel pressure sensor 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.

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 (-) auxiliary 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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PROCEDURE

1. PRECAUTION

NOTICE:

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

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2. DISCHARGE FUEL SYSTEM PRESSURE

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3. REMOVE LUGGAGE TRIM SERVICE HOLE COVER

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4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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5. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

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6. REMOVE EGR VALVE ASSEMBLY

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7. REMOVE NO. 2 WATER BY-PASS PIPE

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8. DISCONNECT FUEL TUBE SUB-ASSEMBLY

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9. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

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10. REMOVE NO. 2 FUEL PRESSURE SENSOR

(a) Disconnect the No. 2 fuel pressure sensor connector.

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