How Does A 2 Wire Door Lock Actuator Work

To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.

How does a 2 wire door lock actuator work.

If you reverse the polarity on the actuator and apply power it flips in the other direction. The actuator runs off 12 volts. Each door has its own actuator. Symptoms of a failing door lock actuator.

It mimics your motions when you pull the knob up or push it down. Power door locks do not function. If the actuators have any sort of internal or wiring issue it may cause them to rapidly lock and unlock unexpectedly or cause them to function intermittently. I want to use an arduino to activate a two wire actuator automobile power door lock mechanism.

When power is applied the actuator flips in one direction. Solenoid and dc motor. 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. In some cars the door lock actuator is positioned below the latch.

Both motor legs rest at ground at the relays. How to wire automotive spdt relays. The 2 wires named battery red wire after the fuse to positive 12 vdc and the black to ground or minus battery pin. Power door locks behave erratically.

Door locks actuators reverse polarity positive switch trigger type d. This manipulates a series of rods that slide back and forth opening and closing the locking mechanism at the door latch. Another symptom of a potential problem with the power door lock actuators are door locks that behave erratically. How a door lock actuator works.

How power door locks work. This actuator can move the metal hook shown in this photo to the left or right. On manual locks the locking function operates by pushing or pulling on the door lock. When mounted in the car it is vertical so the hook can move up or down.

Here is an easy 5 wire setup for anyone to use in any vehicle without the use of any relays. Be aware this product will draw 8 ma of current 24 7 or 5 8 amp hours per month out of your battery in addition the energy to open close the lock as many times you do that each day or week. A rod connects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.