How Does A Door Lock Switch Work

Firstly it is very affordable in that you won t have to spend much at all to replace the part.

How does a door lock switch work.

In some cars that have power door locks the lock unlock switch actually sends power to the actuators that unlock the door. You may also find that the switch functions only intermittently. A magnet is placed in the top of the door and the switch is placed in the door frame. Door locks do not function.

You press on the door lock switch to open the lock and it doesn t work. Understanding how a door interlock works helps you decide if it is faulty or not. If one switch does not work but your others do you can be pretty sure you have a problem with that switch. If the switch fails completely it will not be able to conduct power to the door lock actuators and as a result the door locks will not function.

But in more complicated systems that have several ways to lock and unlock the doors the body controller decides when to do the unlocking. If the door lock actuator doesn t work with any method then the problem can be the door lock actuator itself the wiring or the control module. They connect multiple devices such as computers wireless access points printers and servers. When the door is closed the switch rests in a balanced bias magnetic field of several magnets including the magnet on the door and.

On the same network within a building or campus a switch enables connected devices to share information and talk to each other. There is some good news with this replacement job. Another more direct symptom of a problem with the power door lock switches are door locks that will not function when the switch is pressed. But first let s see how the car keeps all its signals straight.

First find out if the door lock actuator works in any mode i e. Symptoms of a failing door lock actuator. Does it work with the door switches but not the remote key fob. Switches are key building blocks for any network.

If the power door lock switch is malfunctioning you may find that when you press the switch the door does not lock or unlock. In this edition of howstuffworks we ll learn just what s inside your door that ma kes it unlock we ll take apart the actuator that does the work and then we ll learn how the lock can be forced open.