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Home >> Infiniti >> 2003 >> G35 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls System - Component Testing - Coupe >> 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 Connectors (Banks 1 and 2)
G03583514Courtesy of NISSAN MOTOR CO., U.S.A.
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