Lights of the routine maintenance and common faults

Lights of the routine maintenance and common faults Check the vehicle lighting bulbs burn out quickly and failure is an extremely simple task, but for a full vehicle lighting system maintenance is not so simple. Timely maintenance of the exterior lighting is critical to drivers, because it affects not only driving comfort, but also directly related to traffic safety. Often been reminded before the owner is difficult to realize headlights, taillights, turn signals or parking lights no longer work properly. By the way, replace the burned out light bulbs work is very simple, its cost is lower than the DIY repair station lighting system maintenance fees.
More often, the lights burned out light bulbs are not merely the failure, corrosion or plug socket of this kind of small problems that often require specialized diagnostic techniques to analyze the root cause of failure. Even those low-cost car, its interior and exterior lighting is controlled by the main computer. Those luxury cars, only their headlights on by three computer controlled.
If your car has daytime running lights DRL system you must first understand the working principle of these devices. For example, some daytime running lights system before the engine is started, the daytime running lights can not be opened; some daytime running lights system, if the parking brake has not been canceled, even if the engine has started, the daytime running lights still does not work. If the vehicle is equipped with a light control light (dim light, that is, when the outside world to a certain extent, the system automatically turns the headlights with the function), may wish to check the photosensitive state from the weakest to the strongest lights during the work, of course, Do not ignore the check automatically turn off the timer. If the system is equipped with a timer, set the maximum delay.
If the headlight is damaged, usually similar to the replacement of lamps. Some cars equipped with high-intensity discharge headlamps HID, the device through its pre-designed electronic system to produce high-pressure arc discharge light source to generate high density. Note that the ordinary quartz - halogen bulbs can not be in this application. Also, check for cracks before the headlights, because although the surface cracks will not affect the performance of headlamps lighting, but the moisture will penetrate the fixture along the crack, which is bound to reduce the lamp life.
Headlight illumination direction calibration should be included in the list of maintenance items, because in order to ensure the safety of motorists driving the biggest, headlights must be able to provide a good vehicle to drive forward lighting.
Seize the key, but also an examination must not forget the other light systems, such as turn signals, license plate light, showing the wide lights, parking lights, reverse lights and brake lights (including the middle brake light CHMSL) and so on. In addition, many vehicles will fog lights as standard equipment or a popular optional parts, fog lights usually installed in the car on a lower position, so vulnerable to stone damage, in its maintenance, in addition to checking the lighting system itself, the lights of the crack should not be overlooked.