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Home >> Infiniti >> 2022 >> QX50 Pure, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 3) >> System Description >> System >> Turbocharger Boost Control >> System Description >> System Diagram
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System Diagram

GNSILL0305865Courtesy of NISSAN NORTH AMERICA, INC.

Component parts

Function

Crankshaft position sensor

Crankshaft Position Sensor 

Exhaust camshaft position sensor

Exhaust Camshaft Position Sensor 

Mass air flow sensor

(With intake air temperature sensor)

Mass Air Flow Sensor (With Intake Air Temperature Sensor 1) 

Intake air temperature sensor 1

Mass Air Flow Sensor (With Intake Air Temperature Sensor 1) 

Intake air temperature sensor 2

Turbocharger Boost Sensor (With Intake Air Temperature Sensor 2) 

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 

Turbocharger Boost Sensor (With Intake Air Temperature Sensor 2)

Turbocharger Boost Sensor (With Intake Air Temperature Sensor 2) 

ECM

ECM 

Electric wastegate control actuator

Turbocharger 

Turbocharger bypass control valve