Based on introduction to basic principle and function of the multiplex communication system, inspection method is compared with traditional circuit inspection through a case of fault on TOYOTA.

• 介绍多路传输通讯系统基本原理及功能,通过丰田汽车故障实例,将多路传输通讯系统检修方法与传统汽车电路检修方法进行了比较。