文档介绍：目录
一、荣威550轿车发动机点火系统的概述·····················1
二、荣威550轿车发动机点火系统的组成·····················3
1、曲轴位置传感器··········································3
2、ECM····················································4
3、点火模块················································5
4、点火线圈组件············································5
5、火花塞··················································6
三、荣威550轿车发动机点火系统的工作原理·················6
1、点火系统的工作原理······································6
2、爆震的控制··············································7
3、点火时间的控制··········································7
四、荣威550轿车发动机点火系统主要部件的检修方法········8
五、荣威550轿车发动机点火系统的典型故障分析·········· 10
结束语·······