论文部分内容阅读
车型:F35。行驶里程:1000km。故障现象:用户反映车辆行驶中仪表里多个故障灯点亮报警,转动转向盘感觉很重。车辆启动和行驶驾驶无明显异常现象。故障诊断:接车后首先验证用户反映的故障现象,车辆启动着车的情况下仪表中发动机故障灯、DSC故障灯,EPS故障灯等点亮报警。转动转向盘,转向盘助力失效。连接ISID进行诊断检测,ISTA诊断测试树状图如图1所示,Flex Ray总线上的控制模块
Model: F35. Mileage: 1000km. Symptoms: The user reflects the vehicle running lights in the instrument multiple fault lights, turning the steering wheel feels heavy. No significant abnormalities were found in starting and driving the vehicle. Troubleshooting: After the car first verify the user reflects the phenomenon of failure, the vehicle starts the car in the case of engine fault lights, DSC fault lights, EPS fault lights and other light alarm. Turn the steering wheel, steering wheel power failure. Connection ISID for diagnostic testing, ISTA diagnostic test tree shown in Figure 1, Flex Ray bus control module