论文部分内容阅读
故障现象一辆行驶里程约为8.58万km的2012年产奔驰S400混合动力车(装配272.974发动机及722.950变速器),发动机无法起动。故障诊断混合动力系统发动机无法起动的可能原因有:节气门驱动机构机械损坏;缺少发动机转速信号;在点火顺序中有碰撞信号;蓄电池电量不足;燃油压力过低;发动机基本正时错位;起动机及其线路故障;驾驶认可系统3(DAS3)不允许起动;保护开关(A100s1)未施加开启电压。
Trouble phenomenon A mileage of about 85,800 km 2012 Mercedes-Benz S400 hybrid (assembly 272.974 engine and 722.950 transmission), the engine can not start. Troubleshooting Possible causes of failure of the hybrid engine to start are: Throttle drive mechanism mechanical damage; Missing engine speed signal; Collision signal in ignition sequence; Insufficient battery charge; Low fuel pressure; Misalignment of engine timing; Starter And its wiring failure; Drive Approval System 3 (DAS3) does not allow starting; protection switch (A100s1) does not apply a turn-on voltage.