通过运输工具程序设计的推荐规程

[中文适用范围]： 该 SAE 推荐实践提供了一个框架，允许所有车辆制造商的重新编程软件应用程序能够灵活地与多个工具供应商的多个车辆数据链路接口工具配合使用。该系统使每个车辆制造商能够控制其车辆中电子控制单元 (ECU) 的编程顺序，但允许使用一组编程硬件和车辆接口来为所有车辆制造商的模块进行编程。本文档不限制用于软件应用程序的 PC 和工具之间连接的硬件可能性（例如，RS-232、RS-485、USB、以太网）。工具供应商可以自由选择适合其工具的硬件接口。本文档的目标是确保任何车辆制造商的重新编程软件与任何工具制造商提供的硬件兼容。美国环境保护署 (EPA) 和加州空气资源委员会 (ARB) 的“OBD 服务信息”法规包括售后维修行业对所有制造商的车辆中与排放相关的控制模块进行重新编程的要求。本文件旨在符合 2004 年及以后车型年份车辆的规定。对于某些车辆，该接口还可用于对 2004 车型年之前的车辆中的排放相关控制模块以及非排放相关控制模块进行重新编程。对于其他车辆，这种用法可能需要将额外的制造商特定功能添加到完全兼容的接口中。本文档的第二部分 SAE J2534-2 计划包含扩展功能，工具供应商可以选择将这些功能包含在接口中，以允许对这些额外的非强制车辆应用程序进行编程。除了重新编程功能外，该接口还计划用于 SAE J1699-3 中定义的 OBD 合规性测试。 SAE J2534-1 包括一些直通编程不需要的功能，但可以将此接口用于其他目的，而不会给接口制造商带来重大负担。未来车型年份的附加要求可能需要修订本文件，最值得注意的是包含一些重型车辆的 SAE J1939。在这些法规最终确定并且更好地理解要求后，将审查本文件以进行可能的修订。可能的修订包括 SAE J1939 特定软件和备用车辆连接器，但 SAE J2534 接口设备的基本硬件预计保持不变。 [外文原描述]： This SAE Recommended Practice describes a standardized interface that connects between a standard personal computer (PC) and vehicle.The purpose of this interface is to enable the reprogramming of emission-related control modules, in 2004 and later model year vehicles. The interface shall consist of the necessary hardware and/or software to support the requirements defined in this document. It is expected that vehicle manufacturers will provide the software application that will control the pass-thru interface, to perform the actual reprogramming.The goal of this document is to ensure that reprogramming software from any vehicle manufacturer is compatible with interface supplied by any tool manufacturer. A common interface for all vehicle manufacturers reduces the tool costs for aftermarket garages, while allowing each vehicle manufacturer to control the programming sequence for the electronic control units (ECUs) in their vehicles. Aftermarket garages will be able to obtain a standardized interface from a variety of tool suppliers.This document does not limit the hardware possibilities for the connection between the PC and the interface (e.g., RS-232, RS-485, USB, ethernet, etc.). Tool suppliers are free to choose the connection that is most appropriate for their needs. Tools that are required to be SAE J2534-1 compliant must strictly adhere to the requirements defined in this document.Applications that are required to be SAE J2534-1 compliant must strictly adhere to the requirements defined in this document. Applications that use features defined in the SAE J2534/2-xxxx document set are not considered to be SAE J2534-1 compliant.Cross Reference: