近年来,随着汽车工业与电子工业的迅猛发展,在汽车上电子技术的应用越来越广泛,汽车的电子化程度越来越高,特别是在汽车上应用微机后,汽车已进入了微机控制(亦称电控)的时代,汽车的操作运行绝大部分都需要通过电控技术来完成。由于现代汽车的电控系统越来越复杂,当其发生故障时, In recent years, with the rapid development of automobile industry and electronics industry, the application of electronic technology in automobiles is becoming more and more widespread. The degree of electronicization of automobiles is getting higher and higher. Especially after the application of computers in automobiles, the automobiles have entered the microcomputer Control (also known as electronic control) era, the operation of the vast majority of cars need to be done through electronic control technology. As Hyundai’s electronic control system more and more complex, when it fails,