You either have a bad door lock switch or the power lock solenoids are beginning to fail.
Toyota echo door lock problem.
You need to replace the electric door lock solenoid the electrical part of the solenoid may be compromised and is not letting the solenoid arm retract or extend to lock unlock your door.
Your first step should be to check your fuse box and owner s manual to find the fuse related to the door locks.
This adjustment is not really a repair but will help you to fix the issue if the car is set in a mode that you do not like.
How to repair door lock toyota cars.
If you own any recent toyota model that has power locks and an automatic transmission you have the ability to change the sequence for the locking and unlocking of the doors as determined by the current mode.
How to fix error in power door locks or central lock system toyota corolla.
The toyota dealer has already looked at the car and advised that the locking mechanism was faulty and would need to be replaced.
Front passenger door lock won t lock unlock.
Years 1990 to 2010.
If all four doors fail to lock unlock or if multiple doors fail to lock unlock the odds are that you have either a blown fuse or an electrical issue like a bad relay.
Probably set for 2 stage unlocking by the sounds of things.
Years 1999 to 2007.
To check this you will need to pull the door panels off measure the actual voltage at the solenoids whilst manipulating the lock switch.
Years 1990 to 2010.
If you have 12 vdc i would suggest replacing the door lock solenoids.
How to repair door lock toyota cars.
Regarding the front door locks.
Depending on the manufacturer there s probably a procedure to get it to revert to 1 stage unlock.