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1 直观法 即不用任何仪器,单凭检修者的直观感觉来对电器系统检查、判断和排除故障。当汽车电器的某一部分发生故障时,一般会出现冒烟、火花、异响、焦臭、高温等异常现象,通过人体的感觉器官的听、看、闻、摸等对汽车电器进行外观检查,进而判断故障的所在部位。例如汽车在行驶中,打开转向灯开关,突然发现转向信号灯与转向指示灯均不亮,用手摸,感
1 Intuitive method that does not require any instrument, the maintenance of the visual sense alone to the electrical system to check, determine and troubleshoot. When a certain part of a car electrical appliance breaks down, generally appear the unusual phenomenon such as smoke, sparkle, abnormal sound, coke smell, high temperature, etc., Examine the exterior appearance of the car electrical appliance through hearing, watching, smelling, And then determine the location of the fault. For example, the car is driving, turn on the light switch, suddenly found the turn signal and turn lights are not bright, touch, feel