标准摘要
[中文适用范围]： 本文件规定了诊断应用程序要求和 OSI 层相关通信配置文件，以确保牵引车和最大授权总质量大于 3500 kg 的被牵引车辆之间的数字信息交换。 一致性和互操作性测试计划不属于本文档的一部分。 [外文原描述]： This document specifies diagnostic application requirements and OSI-layer related communication profiles to ensure the interchange of digital information between towing and towed vehicles with a maximum authorized total mass greater than 3 500 kg. The conformance and interoperability test plans are not part of this document.
英文名称Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 4: Diagnostic communication