Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: System Diagram

*A

for Direct Injection

-

-

*1

Fuel Injector Assembly

*2

Throttle Body with Motor Assembly

*3

Fuel Pressure Sensor (for High Pressure)

*4

Fuel Pressure Pulsation Damper Assembly

*5

Plunger

*6

Fuel Pump Assembly (for High Pressure)

*7

Camshaft

*8

Fuel Tank Assembly

*9

Fuel Suction Tube with Pump and Gauge Assembly

- Fuel Sender Gauge Assembly

- Fuel Main Valve Assembly

- Fuel Pump (for Low Pressure)

-

-

*a

High Pressure Fuel Line

*b

Low Pressure Fuel Line

*c

To Fuel Injector Assembly (for Port Injection)

-

-

*A

for Port Injection

-

-

*1

Throttle Body with Motor Assembly

*2

Fuel Injector Assembly

*3

Fuel Tank Assembly

*4

Fuel Suction Tube with Pump and Gauge Assembly

- Fuel Sender Gauge Assembly

- Fuel Main Valve Assembly

- Fuel Pump (Low Pressure)

*5

Fuel Pressure Sensor (for Low Pressure)

-

-

*a

Low Pressure Fuel Line

*b

To Fuel Pump Assembly (for High Pressure)

*1

Fuel Injector Assembly (for Direct Injection)

*2

Fuel Injector Assembly (for Port Injection)

*3

Fuel Pressure Sensor (for High Pressure)

*4

Fuel Pump Assembly (for High Pressure)

*5

ECM

*6

Fuel Tank Assembly

*7

Fuel Pump (Low Pressure)

*8

Fuel Pressure Sensor (for Low Pressure)

*9

Fuel Pump Control ECU Assembly

*10

C/OPN Relay

*11

Battery

*12

Engine Switch