Inside a car door to unlock the door the body controller supplies power to the door lock actuator for a timed interval.
How does a door handle mechanism work.
A standard doorknob lock set consists of a pair of knobs one on each side of the door that are connected through the door by a spindle and held together by mounting bolts.
Inner working of a simple door handle mechanism and how to reverse the latch.
When the latch is down the outside door handle is disconnected from the mechanism so that it cannot be opened.
The spindle runs through the latch bolt which is inside the door perpendicular to the spindle.
In this case a latch connects the door with its frame and tends to embody a sliding bolt installed in the door and a receptacle in the frame.
When the actuator moves the latch up it connects the outside door handle to the opening mechanism.
How door handles work.