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Home >> Infiniti >> 1991 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Ignition System >> DISTRIBUTORLESS Ignition System >> Crankshaft Angle Sensor
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Crankshaft Angle Sensor

ECU depends upon crankshaft angle sensor for RPM signals. Signals are used by ECU to determine triggering of power transistors and fuel injectors. See CRANKSHAFT ANGLE SENSOR and SUB-CRANK ANGLE SENSOR under ENGINE SENSORS & SWITCHES.

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