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Home >> Infiniti >> 2014 >> Q50 Premium, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) (Except Hybrid) >> System Description >> Component Parts >> Ignition Coil
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Ignition Coil

The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit.