Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001YO5S
Model Year Start: 2022 Model: Avalon HV Prod Date Range: [08/2021 -           ]
Title: A25A-FXS (FUEL): FUEL PRESSURE SENSOR: REMOVAL; 2022 MY Avalon HV [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

Link
*: When performing learning using the Techstream.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for HV Model): CALIBRATION

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM(for HV Model): INITIALIZATION

Panoramic View Monitor System

2019 - 2022 MY Avalon HV [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for HV Model): INITIALIZATION

Replacement of inverter with converter assembly

Resolver learning
  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

2021 - 2022 MY Avalon HV [08/2020 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): UTILITY

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

MIL illuminates

2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

  • 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.

2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (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 (-) 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.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

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.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. DISCHARGE FUEL SYSTEM PRESSURE

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (FUEL): FUEL SYSTEM: PRECAUTION

3. REMOVE LUGGAGE TRIM SERVICE HOLE COVER

Click here 2022 MY Avalon HV [08/2021 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

Click here 2022 MY Avalon HV [08/2021 -        ]; MAINTENANCE: A25A-FXS AUXILIARY BATTERY: REMOVAL+

5. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; A25A-FXS (ENGINE CONTROL): THROTTLE BODY: REMOVAL

6. REMOVE EGR VALVE ASSEMBLY

Click here 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (EMISSION CONTROL): EGR VALVE: REMOVAL

7. REMOVE NO. 2 WATER BY-PASS PIPE

Click here 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

8. DISCONNECT FUEL TUBE SUB-ASSEMBLY

Click here 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

9. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

Click here 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (FUEL): FUEL INJECTOR (for Port Injection): REMOVAL+

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.

(c) Remove the O-ring from the No. 2 fuel pressure sensor.