故障现象一辆2008款奇瑞A3轿车,刮水器开关在清洗挡时喷水泵不工作故障(刮水臂动作正常),刮水器开关在其他各挡时,刮水器工作均正常。故障诊断奇瑞A3轿车的汽车前风窗刮水器电路如图1所示。前风窗刮水电动机和喷水泵电动机均受控于前BCM(车身控制单元),前车身控制单元接收刮水器开关信号,并依据开关信号对刮水电动机和喷水泵电动机进行控
Applications LOGO! application example: Rainwater pump The rainwater is caught in a collecting tank, from which it is pumped into a pipe system. The rainwater can then be taken from this in the same way that drinking water can. If the tank should ever run dry, it can be supplied with drinking water. Demands on the control system for a rainwater pump The water must be available at all times. W