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Home >> Infiniti >> 2019 >> QX50 Essential, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3 Of 6) >> System >> Evaporative Emission System >> System Description >> System Diagram
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System Diagram

GNSILL0182241-241Courtesy 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)

Engine coolant temperature sensor

Engine Coolant Temperature Sensor 1

Air Fuel Ratio (A/F) Sensor 1

Air Fuel Ratio (A/F) Sensor 1

Electric throttle control actuator

Electric Throttle Control Actuator

Accelerator pedal position sensor

Accelerator pedal position sensor

Battery

ECM detects the battery voltage.

Fuel Tank Temperature Sensor

Fuel Tank Temperature Sensor

EVAP canister purge volume control solenoid valve

EVAP Canister Purge Volume Control Solenoid Valve

Combination meter

It transmits the vehicle speed signal to ECM via CAN communication.

ECM

ECM

EVAP Canister Purge Volume Control Solenoid Valve

EVAP Canister Purge Volume Control Solenoid Valve