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Home >> Infiniti >> 2019 >> QX50 Luxe, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2 Of 6) >> System >> Electric Ignition System >> System Description >> Cylinder Distinction Control
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Cylinder Distinction Control

ECM distinguishes cylinder based on the combination of signals of crankshaft position sensor, intake camshaft position sensor and the exhaust camshaft position sensor, and if any of sensor malfunctons distinguishes cylinder with normal sensors.

Abnormal point

Sensor to use for cylinder distinction

Crankshaft position sensor

Camshaft position sensor

Intake camshaft position sensor

  • Crankshaft position sensor
  • Exhaust camshaft position sensor

Exhaust camshaft position sensor

  • Crankshaft position sensor
  • Intake camshaft position sensor