How To Know If Door Lock Actuator Is Bad

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.

How to know if door lock actuator is bad.

This will require the driver to use the key to lock or unlock the doors and can disable the power door. If it is the front door then attempt the lock unlock the door while you are real close to the unit to hear or feel if it is attempting to move but can t etc. You should see the voltage polarity toggle with each switch activation. Diy bri shows you how to repair a door lock actuator without a complete replacement.

Often adjusting the temperature settings ever so slightly can stop the noise temporarily. Quick way to test the door actuator locking latching unit imo is to remove both door panels from the front and rear doors on the side in question. Power door lock doesn t work a single bad door lock actuator can prevent one of your car s power door locks from working. In some cars the door lock actuator is positioned below the latch.

With that in mind the most common symptoms of a faulty door lock actuator include. This low cost method works great and can be done on many cars. Car door does not unlock lock with remote. Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch.

Door lock systems operate the actuator by toggling positive negative voltage to the actuator. If the door lock actuators fail they will disable the power door lock feature from working. Unplug the door lock actuator electrical connector. If you hear a repeated light clicking sound coming from under the dash it can be a bad blend door actuator.

You ll still be able to operate the lock manually but the power function will not work. If the door lock actuators fail they will disable the power door lock feature from working. When you change the temp setting in your car or truck normally you will typically hear the this noise for a few seconds.