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Home >> Infiniti >> 2019 >> QX50 Luxe, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2 Of 6) >> System >> Fuel Pressure Control >> System Description >> System Diagram
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System Diagram

GNSILL0182233-233Courtesy of NISSAN NORTH AMERICA, INC.

Component parts

Function

Crankshaft position sensor

Crankshaft Position Sensor 

Exhaust camshaft position sensor

Exhaust Camshaft Position Sensor 

Fuel rail pressure sensor

Fuel Rail Pressure Sensor 

Engine coolant temperature sensor 1

Engine Coolant Temperature Sensor 

Electric throttle control actuator

Electric Throttle Control Actuator 

Accelerator pedal position sensor

Accelerator Pedal Position Sensor 

Battery

ECM receives the battery voltage signal.

ECM

ECM 

High pressure fuel pump

High Pressure Fuel Pump