汽车电控发动机诊断服务功能的开发与应用

Development and Application of Diagnosis Service Function of Vehicle Electrical-controlled Engine

文章首先介绍了汽车电控发动机诊断技术的发展过程,说明了ECU诊断包括自诊断、外部诊断和故障保险功能3部分,然后重点阐述了诊断服务功能在开发设计中涉及的内容,提出了汽车诊断的V模式开发流程,分析汽车诊断功能的实际应用,最后提出诊断技术在车辆生命周期的各个阶段中发挥必不可少的作用。

This paper firstly introduces the development history of diagnostic technology of electrical control engine and describes ECU diagnosis,including self-diagnosis,external-diagnosis and malfunction insurance function related in the design development.It then expounds the contents of diagnosis service function,and brings forward development process of V mode and analyzes the application of vehicle diagnosis function.At last,this paper indicates that the diagnosis technology has played an indispensable role in different periods of the vehicle lifecycle.