论文部分内容阅读
故障现象一辆2010年10月份生产的上海大众途观车(采用CEA 1.8TSI发动机),行驶里程为2 410 km,客户反映发动机故障灯亮,但发动机的整体性能没有问题,要求检测发动机。故障诊断根据客户描述的故障现象,首先起动发动机,发动机故障灯在自检后不能正常熄灭。连接VAS5052,当系统进入主界面时,发现发动机、变速器和制动系统都有故障(图1)。接着逐个查询各系统储存的故障代码,变速器、制动系统都显示发动机系统有故障。因为途观车上述这几个系统都
Symptom A Shanghai Volkswagen Tachai car (using CEA 1.8TSI engine) produced in October 2010 has a mileage of 2,410 km. The customer reported that the engine fault light is on, but the overall performance of the engine has no problem and the engine test is required. Fault diagnosis According to the customer described fault phenomenon, first start the engine, the engine fault light can not be normally off after self-test. Connected to the VAS5052, the engine, transmission, and brake system were found to be faulty when the system entered the main interface (Figure 1). Then one by one query the fault code stored in each system, transmission, brake system shows the engine system is faulty. Because of the way the car above these systems are