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案例1故障现象:一辆2011年新途安1.4TSI自动挡车,搭载标识号CFBA发动机与0AM七速DSG双离合器变速器,行驶里程52000km。在行驶中车辆出现拖拽感,发动机随之熄火。再次启动困难,燃油表指针上下有波动。故障诊断:连接VAS6150B故障诊断仪,查询发动机控制单元J623,获取到的故障信息为12425 P3089 000燃油泵电子设备信号线电气故障,偶发;读取静态时发动机数据流140组3区的测
Case 1 Symptom: A 2011 new Touran 1.4TSI automatic car, equipped with identification number CFBA engine and 0AM seven-speed DSG dual clutch transmission, mileage 52000km. Vehicles in the driving drag sense, the engine then flameout. Difficult to start again, the fuel gauge pointer fluctuations. Fault diagnosis: connect VAS6150B fault diagnostic device, query the engine control unit J623, fault information obtained is 12425 P3089 000 fuel pump electronic equipment signal line electrical fault, accidental; read the static state of the engine data stream 140 Group 3 test area