故障现象一辆捷达轿车,行驶里程约为2.7万km,ABS指示灯常亮。故障排除连接故障检测仪,进入ABS控制单元,调取故障代码,如图1所示。结合故障代码的含义,推断ABS控制单元的供电线路可能有故障。图2为该车ABS控制单元
开关和保险丝 An electric switch is often on a wall near the door of a room. Two wires lead to the lamp in the room. The switch is fixed in one of them. The switch can cause a break in this wire, and then the light goes. The switch can also join the two parts of the wire again, then we get a light. Switch can control many different things. Small switches control lamps and radio sets because th