点火线圈和火花塞的检测与诊断； 点火系统故障码的含义和故障的排除方法。

Spark plug test and diagnosis, the fault lode meaning and the fault exclusion ways of ignition system.

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介绍了该点火系统的工作原理和各主要元器件的功能，并对系统故障的诊断与检修进行了说明。

Working principle and functions of main components of the ignition system are presented and diagnosis of trouble of the system and its inspection and repair are explained.

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