随着社会的发展,科技的进步,当代汽车的制造和设计工艺渐趋复杂,越来越多的电子元件不仅仅只是参与汽车行驶中的信号收集与控制,同时也能为监控汽车的健康状况提供帮助。而电子计算机技术在汽车上的广泛应用更是让各种车载控制系统的发展得到了质的飞跃,也对汽车故障检测诊 With the development of society and the advancement of science and technology, the manufacturing and designing processes of contemporary cars are getting more and more complex. More and more electronic components are not only involved in the signal collection and control during driving, but also can monitor the health status of automobiles provide help. The widespread use of electronic computer technology in the car is to make a variety of vehicle control system has been a qualitative leap in development, but also on the car fault detection and diagnosis