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Home >> Infiniti >> 1993 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition System >> Optical Ignition System (G20) >> Crankshaft Position Sensor
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Crankshaft Position Sensor

ECM depends upon crankshaft position sensor for RPM signals. Signals are used by ECM to determine triggering of power transistor and fuel injectors. See CRANKSHAFT POSITION SENSOR under ENGINE SENSORS & SWITCHES  .

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