If you have 12 vdc i would suggest replacing the door lock solenoids.
Toyota echo door lock problem.
Posted on sep 15 2008.
Years 1990 to 2010.
Years 1999 to 2007.
To which the locking mechanism has been replaced by the very same dealer.
You either have a bad door lock switch or the power lock solenoids are beginning to fail.
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.
The toyota dealer has already looked at the car and advised that the locking mechanism was faulty and would need to be replaced.
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.
Front passenger door lock won t lock unlock.
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.
Echo s don t normally come standard with central locking unless it s a sportivo which by memory was the only one that came with it so more than likely it s an aftermarket kit.
How to repair door lock toyota cars.
Regarding the front door locks.
How to repair door lock toyota cars.
Depending on the manufacturer there s probably a procedure to get it to revert to 1 stage unlock.
Probably set for 2 stage unlocking by the sounds of things.
Years 1990 to 2010.
How to fix error in power door locks or central lock system toyota corolla.