How do you test a power door lock actuator?

Unplug the door lock actuator electrical connector. Then use your test light or digital meter to check for power and ground at the connector when you operate the lock/unlock switch. You should see the voltage polarity toggle with each switch activation.

Do door lock actuators go bad?

The door lock actuator can go bad over time because it is used on a regular basis. The motor can fail, or different parts in the motor can go bad. As soon as you notice something is not right with the locks, contact a professional mechanic to have your door lock actuator replaced.

What causes door actuators to fail?

It could be a main door lock switch, broken door wiring harness, bad connector, failed control module or simply a blown fuse.

How do you test if an actuator is working?

To test a linear actuator’s current draw, simply connect a multimeter in series with one of the leads of a powered linear actuator, and watch the amperage reading as you extend/retract the rod. Based on the reading, you can determine a power supply that will be able to handle that current draw.

Can a bad door lock actuator drain battery?

The door lock actuator has a battery drain. The battery runs down when the interior lights stay on longer than normal. It’s a bad actuator if it doesn’t work 100 percent of the time.

What does a power door lock actuator do?

The behind-the-scenes mechanism that locks and unlocks your vehicle’s doors with the push of a button is the power door-lock actuator. Mounted inside the door, it includes an electric motor, gears and linkage, or a cable that extends or retracts to operate the lock.

Why is my door locks keep clicking?

There is either a defective switch or door lock actuator. This will require some electrical inspection. You could pull the door lock fuse, so you don’t completely short some thing out and burn it up. When the car is repaired, of course you put the fuse back.