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Home >> Nissan-Datsun >> 2008 >> Rogue SL, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Component Testing (CALIFORNIA) >> Ignition Signal >> Description
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Ignition Signal: Description

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.