How Auto Door Locks Work

When the actuator moves the latch up it connects the outside door handle to the opening mechanism.

How auto door locks work.

When locked the latch will be depressed and the mechanism will be connected to prevent the door from being opened. The body controller is a computer in your car. By unlocking the car door using the internal latch or a key the visible latch will be in the up position and the car door locks release the door opening mechanism. Key fobs such as this one activate the power door lock mechanism.

If you move the door latch yourself all of the gears will turn except for the plastic gear with the clutch on it. A rod con nects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door. Centrifugal clutch on the drive gear when the motor spins the gear the clutch swings out and locks the small metal gear to the larger plastic gear allowing the motor to drive the door latch. A car door in this car the power door lock actuator is positioned below the latch.

To start with you need the right tools for the job. The door latch on a car door is responsible for keeping the door shut against the body of the ca. This method should work on most pin and tumbler locks that people normally use. Electric car door locks operate by receiving a radio signal transmitted by the car key fob signaling the actuator to activate which then routes the command through the correct path lock unlock and performs the desired action.

Here s how the power door locks and latch works on your car. How the actuator works. You will require one wrench to apply tension to the lock cylinder and one long pick to actually get the pins of the lock to move. This will allow the door to be opened and closed as necessary.

On activation the actuator unit moves a rod attached to the rear of the latch door lock mechanism. See more pictures of car gadgets.