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针对目前汽车故障诊断设备通常需要单独硬件支持并且扩展性、便携性较差等问题,在如今智能手机日益普及的环境下,通过分析车载CAN网络诊断协议ISO15765以及UDS统一诊断服务,提出建立可跨平台与车系的诊断数据库。设计蓝牙通信模块并在此基础上基于iOS平台开发汽车故障诊断软件,实现便携式的汽车故障诊断。通过在实验平台上的测试结果表明,所设计的汽车故障诊断仪能够准确诊断和解析汽车ECU中的故障,实现不需要额外硬件成本仅利用移动终端完成的汽车故障诊断与定位。
Aiming at the problems such as single hardware support, poor scalability and poor portability, the current automotive fault diagnosis equipment is now analyzing the vehicle CAN network diagnostic protocol ISO15765 and UDS unified diagnostic service in the increasingly popular environment of smart phones. Platform and vehicle diagnostic database. Design Bluetooth communication module and develop car fault diagnosis software based on iOS platform to realize portable car fault diagnosis. The test results on the experimental platform show that the designed vehicle fault diagnostic device can accurately diagnose and resolve the faults in the vehicle ECU and realize the vehicle fault diagnosis and positioning without using additional hardware cost.