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Home >> Nissan-Datsun >> 2005 >> Altima SE-R, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System - VQ35DE >> Ignition Signal >> Component Description
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Component Description

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 & Power Transistor
G02527372Courtesy of NISSAN MOTOR CO., U.S.A.