汽车自动前照灯失效故障检修

自动前照灯,全称为自动光线感应式前照灯.其作用是自动控制汽车前照灯开启,防止驾驶员在外部光线不良的情况下忘记开前照灯而造成交通事故,因其使用简单、操作方便、效果明显而广泛应用于中、高端汽车当中.本文以科鲁兹汽车自动前照灯电路为例,简述其核心部分——光照度/日照传感器电路的检修方法.

Inspection and Repair of Failures of Auto Headlamps

Automatic headlamps are calledautomatic light-sensing headlamps.Its function is to automatically control the turning on of the car's headlights to prevent the driver from forgetting to turn on the headlights and causing traffi c accidents in the case of poor external light.Because of its simple use,convenient operation and obvious effects,it is widely used in middle and high-end cars.This article takes the Cruze auto headlamp circuit as an example,and briefl y describes its core part-the overhaul method of the illuminance/sunlight sensor circuit.