Abstract: This paper introducs an automatic test method for the unified diagnostic services diagnostic system of automotive electronic control unit, which can realize the automatic test for data flow, and can also carry out automatic testing of actuator test and service diagnosis through secure access of electronic control unit. Finally, an example verifies that the automatic testing has advantages of high efficiency, consistency and simplicity.

Key words: Electronic control unit; Unified diagnostic services system; Automatic testing; Security access

摘要： 文章阐述了一种自动测试电子控制单元软件统一诊断服务诊断系统的方法。该方法可 以实现数据流的自动化测试，也可以通过电子控制单元的安全访问进行执行器测试及服务诊 断的自动化测试。最后通过实例验证了该自动化测试方法具有高效性、一致性、简便性的特 点。

关键词: 电子控制单元；统一诊断服务诊断系统；自动化测试；安全访问