别克轿车发动机点火系的原理与检修

Elements and Maintenance of the Ignition System on BUICK

别克轿车发动机采用先进的无分电器式电子点火系,每只点火线圈同时给两缸火花塞提供高压电。本文详细阐述了别克轿车发动机点火系的组成、工作原理及如何用Scan诊断仪检查该点火系的故障。

The advanced distributorless ignition system is adopted on the engine of BUICK with each ignition winding supplying high voltage to the two-cylinder spark plug at one time. This paper introduces in details the composition,working principles of the engine ignition system on BUICK and tells how to check its faults by the Scan diagnostic instrument.