Toyota Prius: Fuel Pressure Regulator

Removal

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 regulator assembly removal/installation are shown below.

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

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HINT:

When the cable is disconnected / reconnected to the auxiliary 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 Toyota Prius vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius 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
*1: w/o Power Back Door System *2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY	77020A	-	-	-
2	NO. 2 FUEL SUCTION SUPPORT	77175	-	-	-
3	FUEL PRESSURE REGULATOR ASSEMBLY	23280J		-	-

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Non-reusable part

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PROCEDURE

1. REMOVE FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY

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2. REMOVE NO. 2 FUEL SUCTION SUPPORT

3. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY

(1) Using a screwdriver with its tip wrapped with protective tape, remove the fuel pressure regulator assembly from the fuel suction tube with pump and gauge assembly.

(2) Remove the 2 O-rings from the fuel pressure regulator assembly.

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	FUEL PRESSURE REGULATOR ASSEMBLY	23280J		-	-
2	NO. 2 FUEL SUCTION SUPPORT	77175	-	-	-
3	FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY	77020A	-	-	-

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Non-reusable part

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PROCEDURE

1. INSTALL FUEL PRESSURE REGULATOR ASSEMBLY

(1) Apply gasoline to 2 new O-rings. Then install the O-rings to the fuel pressure regulator assembly.

(2) Install the fuel pressure regulator assembly to the fuel suction tube with pump and gauge assembly.

NOTICE:

Make sure that the O-rings are not cut or pinched during installation.

2. INSTALL NO. 2 FUEL SUCTION SUPPORT

3. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY

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