现代汽车微机自诊断系统及其特性

OBDⅡ's Behaviors for Modern Vehicle

介绍以第二代汽车为特征的现代汽车车载微机自诊断系统的原理及其特点。重点介绍按照美国ASE标准 ,现代汽车车载微机自诊断系统故障及其代码的产生及贮存。

The paper is described the modern vehicle's OBDⅡand its principles and behaviors. According to SAE standard, this paper is mainly introduced the fault and fault codes' product and its store, Correspond to the fault's data transmit and data access and communication protocol (s) etc.