The key fob battery is dead.
Passenger door lock stopped working.
You will then need to scan the ecm with a handheld scanner to read the code.
The key fob is faulty.
Here are the common scenarios and associated problems.
To lock the doors the switch provides voltage to the two terminals of the solenoid.
Press the unlock button if the alarm on the car does sound.
This is one of the most common reasons why your car door lock is not working.
If one door doesnâ t work but.
A fuse is blown.
To unlock the doors the switch reverses the polarity of the voltage applied to the solenoid.
One door lock is not working.
If you only press the button once the driver s door is the only one to unlock.
Clean and reconnect the actuator.
Assuming it s the front passenger s side door we know that the smart entrance control unit and fuses are good because the rear locks work.
Spray electrical cleaner onto the black electrical connector.
If the battery isnâ t the problem the issue may be with the fob itself.
If you go to your car.
When one door has the locking issue it is likely an issue within the door.
The switch provides power to the door lock solenoids.
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.
If there is a problem within the car s ecm computer that s causing your door locks to fail a check engine light will usually illuminate on the dash.
Attach the plastic door lock actuator back onto the.
I d start by pulling the inner panel off and checking for a bad connection or cut wire.
Part 5 of 6.
Reinstall the plastic cover and replace the assembly.
Push the unlock button twice to unlock all doors on ford vehicles.
Reinstalling the door lock actuator step 1.