Re upload from my old channel.
Power door lock not enough power.
In a partial failure you ll hear some noise coming from the door panel and the manual door lock button may appear to move slightly but not enough to completely lock or unlock the door.
Not enough power to the door lock actuators.
2004 chevrolet silverado manual to auto door locks avital 5305l i have a 2004 chevy silverado base edition without power windows and door locks.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
So i went out and got some doors from a 2004 silverado with power windows.
If the electric motor or the mechanism inside the door lock actuator wears out the door lock may lock or unlock slowly or work sometimes but not all the time.
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Apart from what has been stated in part 1 diagnosing problems with power door locks is not always a straightforward affair but one way to avoid confusion and misdiagnoses is to approach the problem logically.
To get ground the ground path goes through the non energized power door lock relay which is in the ground position when not energized and then to ground.
Volvo and others have used a ptc resistor as a sort of thermal overload for lock motors.
Diagnose power door locks don t work properly part 2 by reiner continued from part 1 power door lock repair tips tricks.
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That s a dead ringer sign of a bad door lock actuator.
When you use the key fob to lock or unlock the doors the receiver provides power to the unlock and lock control coils and the system operates just like if you had used the door.
Power door lock problem.
In some cars a door lock actuator becomes noisy and produces a squeaking or buzzing noise when the power door locks are locked or unlocked.
For vehicles equipped with door lock cylinders the door can still be opened using the key.
It was inside the lock actuator and was a disc a bit smaller than a dime between two contacts series to the motor.
That may lead you to think the door lock actuator linkage is binding.
The process is similar when you move the switch to the lock position.
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.
It sounds simple enough right.
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The lock actuator consists of a small electric motor that drives a gearbox which in turn locks and unlocks the door.
