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Home >> Infiniti >> 2021 >> QX50 Pure, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (1 Of 3) >> System Description >> System >> Engine Protection Control At Low Engine Oil Pressure >> System Description >> System Diagram

System Diagram

GNSILL0109905-905Courtesy of NISSAN NORTH AMERICA, INC.

Component parts

Function

Engine oil pressure sensor

Engine Oil Pressure Sensor 

Crankshaft position sensor

Crankshaft Position Sensor 

Engine Oil Temperature Sensor

Engine Oil Temperature Sensor 

ECM

ECM 

Combination meter

ECM transmits the engine oil pressure warning lamp signal via CAN communication.