Testing Door Lock Actuator

I ve taken the actuator out of the passenger door.

Testing door lock actuator.

It doesn t seem to be doing anything at all when i try to lock. Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch. Unplug the door lock actuator electrical connector. How to test door lock actuator if your car door does not lock or unlock with the remote or power button it is very.

Helpful guide on diagnosing power door lock problems with the passenger multiplex control unit and the door lock actuators. Car door does not unlock lock with remote. Door lock systems operate the actuator by toggling positive negative voltage to the actuator. There appears to be 5 pins in the harness connecting to it.

To diagnose your mechanic may need to take the door cover off and test the voltage at the door lock actuator following the wire diagram. You should see the voltage polarity toggle with each switch activation. Is there a way i can test this thing to see if it s bad by running 12 volts to it or something. If the door lock actuator is operating correctly opening the interior door handle will override the door lock actuator.

The voltage is measured when the power lock button is pressed. Just a short video to show how you can test a door lock actuator using a car battery or a car jumper. If the door lock actuators fail they will disable the power door lock feature from working. I think the problem with my door locks is the passenger side actuator.