Check the bulb lamps and lanterns car burn out the fault is a very quickly and simple work, but the car full of lamps and lanterns system maintenance is not so simple. Timely maintenance of the car lamps and lanterns is very important for driver, because it not only affect the performance of comfort, but also directly related to the safety of driving. Usually, it is difficult to get remind owner before realized headlights, tail light, lights or can't work normally have in lights. By the way, change the bulb burned out work is very simple, the DIY cost less than pit lighting system maintenance fee standards.

　　More cases, the lights of the fault is not limited to the light bulb burned, socket rust or plug damage that kind of small problem, often need to take professional diagnosis techniques to analyze the root cause of the problem.Even those who low-priced car，its internal and external lamps and lanterns is by the computer to control. And those luxury cars, only its headlights by three computer control.

　　If the car is equipped with th line of light you must first understand DRL the device's working principle. For example, some day line of light in the engine starts the day before, do not open the lamp; And some day line of light, if the parking brake have not closed, even if the engine has been launched, the lamp still do, can't work normally. If the electric light vehicles equipment (i.e., when the outside world to a certain degree of dark, the system has the function of automatic open halogen halogen lamps, might look at a photosensitive from the weak state of the strongest in the process to work, of course, the lights do not forget to check automatically shut off timer. If the system is equipped with a timer, please will its setting for maximum delay.

　　If halogen halogen lamps, usually by similar damage of lamps and lanterns for replacement. Some cars equipped with high intensity discharge lamps halogen bulbs HID, this equipment it was designed by the electronic system to produce a high arc discharge high density light source generated. Note that ordinary quartz halogen bulbs-not be here to application. In addition, also check whether there is a crack, because lamps halogen bulbs although surface crack will not affect the illume of the headlights, but along the performance moisture infiltration within the lamps and lanterns of crack, this certainly will will reduce the service life of the bulb.

　　The direction of the light lamps halogen bulbs calibration as should maintain project list, because in order to ensure that the parameters of maximum security drivers, headlights must be able to provide a good vehicle for the prior to the lighting.

　　Hold the key, also must not forget more than other lamp department, such as inspection lights, license plate floodlight, and wide light, in light, pour lamp and the brake lights (including high among the brake lights CHMSL), etc. In addition, many vehicles will also fog lamps as standard equipment or popular options, fog lamps in the bus general installation of low position, so vulnerable to the rocks, the damage in maintenance, besides check lighting system itself, headlight crack also should not be ignored.

prev：Oil lamps are not allowed to water table Repair Fault Analysis(2011-07-06)

next：How to install LED light to car(2011-07-01)