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农用运输车车灯故障率比较高,本文主要介绍前大灯、转向灯、制动灯的故障诊断,其他各类灯的诊断可参照前大灯的检查方法进行。 一、前大灯的故障诊断 1.前大灯不亮 (1)所有灯都不亮,故障一定在电源与灯开关之间的线路。可能该段线路某处断路、短路或搭铁。 (2)试按喇叭,若喇叭响,则说明保险器前的电源线路良好。若喇叭不响,检查保险器又完好,则说明保险器与电源线的导线有可能断路或接触不良。 (3)若查明故障是保险器跳开或熔断,接通后不
The failure rate of agricultural vehicle headlamps is relatively high. This article mainly introduces the fault diagnosis of headlamps, turn signals and brake lights. The diagnosis of other types of lights can be done by referring to the inspection method of the headlamps. First, the headlight fault diagnosis 1. Headlamps do not light (1) All lights are not bright, the fault must be between the power switch and the light line. Somewhere in this section may be open circuit, short circuit or ground. (2) try the horn, if the horn rang, then the fuse before the power line is good. If the speaker does not ring, check the insurance and intact, then the fuse and the power cord may be open circuit or poor contact. (3) If the failure is to identify the fuse jump or fuse, after the switch is not