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车型:2009年旗云2。行驶里程:88540km。故障现象:该车无法启动,开2挡钥匙时,大灯不能点亮,升降器失灵,CD机不工作,闻着有烧焦线束的味道,断开蓄电池,拔掉汽车控制单元插头有烧焦的痕迹,如图1所示。故障诊断:在汽车维修过程中,线束烧焦一般有两种情况:(1)短路。线路如果短路,线束瞬间烧毁,而且与短路线在一起的其他线也会烧融,这是十分危险的情况。(2)过
Model: Cowin in 2009 2. Mileage: 88540km. Symptom: The car can not start, open the 2-stop key, the headlamp can not be lit, the elevator fails, the CD does not work, smell the smell of charred harness, disconnect the battery, unplug the car control unit plug with a burn Jiao traces, shown in Figure 1. Troubleshooting: In the car repair process, the wire harness burns generally have two kinds of situations: (1) short circuit. If the wiring is short-circuited, the wiring harness burns out instantaneously, and the other wires that come with the short-circuiting wire will also melt. This is a very dangerous situation. (2) too