故障现象一辆蒙迪欧致胜2.0AT轿车,行驶里程为1 291 km。据驾驶人反映,在打开车门进入车辆后,发现仪表上的显示屏显示蓄电池电压低,但发动机还能够正常起动。故障诊断与排除接车后试车验证故障,车辆一切正常。客户反映该故障从提车后就经常出现,且几乎每次打开车门时仪表显示屏都会显示蓄电池电压低,不过由于此故障 Symptoms A Mondeo winning 2.0AT sedan has a mileage of 1,291 km. According to the driver reflected in the open door into the vehicle and found on the instrument display shows the battery voltage is low, but the engine can start normally. Fault diagnosis and troubleshooting After the test car to verify the fault, the vehicle is all normal. The customer reported that the problem often occurs after the car has been provided, and the meter display shows a low battery voltage almost every time the door is opened, but due to this failure