基于智能手机的汽车故障诊断系统研究与开发

摘要

研究了一种利用OBD系统基于智能手机平台的汽车故障诊断系统,该系统由手机诊断程序和VCI系统组成.手机诊断程序通过遵循SAE J2534标准的VCI系统与车内电子控制单元进行通信,获取汽车故障代码及汽车内部实时状态数据.由智能手机对诊断数据进行处理和管理,并整合诊断辅助功能.通过实际测试验证了整个系统性能.%ln this paper, an automotive troubleshooting system based on smart phone using OBD System is studied, the system is made up of mobile diagnostics application and VCI (Vehicle Communication Interface) system. Mobile diagnostics apph'calion communicates with the on-board electronic control unit by VCI system which follows the SAE-J2534 standard, and gets vehicle DTC (Diagnostic Trouble Codes) and vehicle internal real time data. Smartphone processes and manages the diagnostic data, and also integrates auxiliary function of fault diagnosis. System performance is validated by practical test.