ISO 27145-2:2012 道路车辆 全球协调车载诊断（WWH-OBD）通信要求的实现 第2部分：公共数据词典
标准编号：ISO 27145-2:2012
中文名称：道路车辆 全球协调车载诊断（WWH-OBD）通信要求的实现 第2部分：公共数据词典
英文名称：Road vehicles — Implementation of World-Wide Harmonized On-Board Diagnostics (WWH-OBD) communication requirements — Part 2: Common data dictionary
发布日期：2012-08
标准范围
ISO 27145-2:2012定义了ISO 27145系列的所有监管数据元素。数据元素用于向外部测试设备提供车辆车载诊断（VOBD）系统的诊断状态。所有数据元素都与ISO 27145-3中定义的统一诊断服务进行通信。数据元素包括故障诊断码（DTC）、数据标识符（DID）和例行标识符（RID）。ISO 27145-2:2012中描述了参数标识符（PID）、监视器标识符（MID）和信息类型标识符（ITID）之间的映射。如果建立了新的立法WWH-OBD全球技术法规模块，则ISO 27145适用于可能的扩展，扩展可包括在ISO 27145-2:2012中，可指定为SAE数字附件的增强，甚至可作为其他参考文件的一部分，旨在包括适用的数据定义。ISO 27145旨在成为访问OBD相关信息（VOBD）的单一通信标准。为了使现有通信标准顺利过渡到未来的全球通信标准，ISO 27145-4中规定的通信概念基于两个不同的数据链路:ISO 15765-4和ISO 13400（所有部分）。
ISO 27145-2:2012 defines all regulatory data elements of the ISO 27145 series. The data elements are used to provide the external test equipment with the diagnostic status of the vehicle on-board diagnostics (VOBD) system in the vehicle. All data elements are communicated with the unified diagnostic services as defined in ISO 27145-3. The data elements are diagnostic trouble codes (DTCs), data identifiers (DIDs) and routine identifiers (RIDs). The mapping from parameter identifiers (PIDs), monitor identifiers (MIDs) and info type identifiers (ITIDs) is described in ISO 27145-2:2012.If new legislated WWH-OBD GTR modules are established, it is intended that ISO 27145 be applicable with possible extensions, which can be included in ISO 27145-2:2012, can be specified as enhancements of the SAE Digital Annexes or can even be part of other referenced documents which are intended to include the applicable data definitions.ISO 27145 is intended to become the single communication standard for access to OBD-related information (VOBD). To allow for a smooth migration from the existing communication standards to this future world-wide communication standard, the communication concept as specified in ISO 27145-4 is based on two different data links: ISO 15765-4 and ISO 13400 (all parts).
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