故障现象一辆2006年产帕萨特领驭轿车,发动机无法起动。维修人员到现场检查后发现蓄电池严重亏电,而这也是导致发动机无法起动的直接原因。故障诊断通过外接电源起动车辆后,测得发电机输出电压符合要求,充电状态良好,而蓄电池也是最近刚刚更换过的。因此,怀疑车辆存在漏电故障。于是决定将该车开回修理厂进行详细检修。 Failure phenomenon A 2006 Passat Lingyu sedan, the engine can not start. Maintenance personnel to the scene found a serious battery drain, and this is the direct cause of the engine can not start. Troubleshooting After starting the vehicle with an external power supply, the generator output voltage is measured to meet the requirements, the state of charge is good, and the battery is also recently replaced. Therefore, there is a suspicion of vehicle leakage fault. So decided to the car back to the repair shop for detailed overhaul.