Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 4: Diagnostic communication
道路车辆.牵引车辆和被牵引车辆之间电气连接的数字信息交换.第4部分:诊断通信
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.