LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) >> Ignition Signal >> Component Description >> Ignition Coil & Power Transistor

Ignition Coil & Power Transistor

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.

Fig 1: Identifying Ignition Coil Harness Connector
G04926263Courtesy of NISSAN NORTH AMERICA, INC.