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Home >> Infiniti >> 1994 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - System/Component Tests >> Ignition System >> DISTRIBUTORLESS Ignition System >> Crankshaft Position Sensor

Crankshaft Position Sensor

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ECM depends upon crankshaft position sensor for RPM signals. ECM uses signals to determine triggering of power transistors and fuel injectors. See CRANKSHAFT POSITION SENSOR and SUB-CRANKSHAFT POSITION SENSOR under ENGINE SENSORS & SWITCHES  .