If the power door lock relay fails it will cut off power to the entire power door lock system and may cause them to not function correctly.
Power door lock not unlocking.
Inspect the fuse that protects the door lock circuit to ensure it is not blown.
Unplug the door lock connectors and inspect to make sure nothing stands out.
By a signal from a control center in some cars that have power door locks the lock unlock switch actually sends power to the actuators that unlock the door.
Replace the key fob.
When a door ceases to lock and unlock at the press of a button it often means that the door s lock actuator has given up the ghost.
Video tutorial discussing symptoms of power door locks on toyota is not working right and how to check for easy fixes and replace a door lock actuator if nec.
For vehicles equipped with door lock cylinders the door can still be opened using the key.
The body controller is a computer in your car.
But in more complicated systems that have several ways to lock and unlock the doors the body controller decides when to do the unlocking.
Go to a dealer and they will.
You don t want to be kicking yourself later because you missed something so obvious.
An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door.
If any wiring is damaged replace them.
Links to buy below.
Pop the window and door lock switch panel off the door handle.
The lock actuator consists of a small electric motor that drives.
If that doesn t solve the problem you may have a faulty key fob.
Diagnosis if all of the door locks are inoperative start your diagnosis at the fuse box.
7 fixes to try if your car s power door locks won t work 1.
Follow lead wire to the door lock actuator.
Power door locks that do not function are another common symptom for a problem with the door lock relay.