ISO 14230-3:1999 道路车辆-诊断系统-2000 关键词规程-第三部分：应用层.

标准编号：ISO 14230-3:1999

中文名称：道路车辆-诊断系统-2000 关键词规程-第三部分：应用层.

英文名称：Road vehicles — Diagnostic systems — Keyword Protocol 2000 — Part 3: Application layer

发布日期：1999-03

标准范围

ISO 14230的这一部分规定了关键字协议2000数据链路的要求，一个或多个车载电子控制单元通过该数据链路连接到非车载测试仪以执行诊断功能。ISO 14230的这一部分规定了实施ISO 14229中规定的诊断服务的要求，包括-？服务标识符的字节编码和十六进制值；-？对诊断服务请求和响应的参数进行字节编码；-？标准参数的十六进制值。ISO 14230的这一部分适用的车辆环境可以由可以临时连接到车载诊断数据链路的单个测试仪和直接或间接连接的若干车载电子控制单元组成。

This part of ISO 14230 specifies the requirements for the Keyword Protocol 2000 data link on which one or several on-vehicle Electronic Control Units are connected to an off-board tester in order to perform diagnostic functions.
This part of ISO 14230 specifies the requirements of the implementation of the Diagnostic Services specified in ISO 14229, including-  byte-encoding and hexadecimal values for the service identifiers;
-  byte-encoding for the parameters of the diagnostic service requests and responses;
-  hexadecimal values for the standard parameters.
The vehicle environment to which this part of ISO 14230 applies may consist of a single tester that may be temporarily connected to the on-vehicle diagnostic data link and several on-vehicle Electronic Control Units connected directly or indirectly.

标准预览图