【摘要】 汽车故障诊断技术是汽车电子控制技术的重要组成部分，在电控系统的维修工作中起重要作用。总结了国外电控汽车故障诊断技术的发展过程，分析了汽车故障诊断技术的发展现状，介绍了国际现行诊断技术标准，并对未来汽车故障诊断技术的发展趋势进行了展望。更多还原

【Abstract】 The failure diagnosis technology is an important constituent in the automobile electronic coned technology, and plays an important part in the maintenance of the EC system. This paper summarizes the development course of the failure diagnosis technology of abroad EC vehicles, analyzes the current development situation of the technology. It presents the current international standard of the technology, and also predicts the development trend of the technology.更多还原