本文件规定了车内网络和车辆诊断链路连接器之间基于CAN的通信系统的要求。本文件未规定与车载CAN网络体系结构相关的任何要求。本文件规定了使车载CAN通信系统能够与连接至诊断链路连接器的设备建立、维护和终止通信的要求。

This document specifies requirements for CAN-based communication systems between the in-vehicle network and the diagnostic link connector of the vehicle. This document does not specify any requirements related to the in-vehicle CAN network architecture. This document specifies the requirements to enable the in-vehicle CAN-based communication systems to establish, maintain, and terminate communication with the devices connected to the diagnostic link connector.