Question about 2004 Toyota ECHO

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Door locks I have recently purchased a 2004 Echo. It has power door locks. The driver's side door and passenger front door sometimes do not unlock from the inside however, if I roll the window down they are unlocked from the outside. The driver's back door will not open from the inside only the outside. I have determined that this is a problem with the child safety lock. However, I can't seem to unlock the child safety aspect of the door. Do I need to take it in to the dealer or is this some easy fix? Otherwise, the car is wonderful!

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  • 5 more comments 
  • Anonymous Mar 12, 2014

    03 toyota 4runner driver door locked closed and will not unlock from inside or outside manualy

  • Anonymous Mar 14, 2014

    Back door doesn't open at all after turning child safety lock

  • Anonymous Mar 19, 2014

    all of a sudden the child safety lock failed, my back doors lock and open from the outside, but the passengers can not get out from the inside, is there a fuse that I can replace ??

  • Anonymous Mar 20, 2014

    child safety switch not working...cant open from inside

  • Anonymous Mar 20, 2014

    how to unlock child safty

  • Anonymous Mar 22, 2014

    back door will not open

  • Anonymous Mar 22, 2014

    When inside, lock won't lock with button on arm rest nor unlock. Have to physically use the actual lock & unlock.



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Regarding the rear door child locks: There is a small lever on the latch side of the door, you can only see it with the door open. Move it to the other position.

Regarding the front door locks: You either have a bad door lock switch, or the power lock solenoids are beginning to fail. To check this, you will need to pull the door panels off, & measure the actual voltage at the solenoids whilst manipulating the lock switch. If you have 12 + VDC, I would suggest replacing the door lock solenoids. Not hard to change, but it IS time consuming. Best left to a dealer. Expect to pay 1 hour per side to change each solenoid.

Posted on Sep 30, 2008


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Posted on Jan 02, 2017


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Install a scan tool.
Turn ON the ignition, with the engine OFF.
With a scan tool, observe the door lock switch parameter in the Doors data list.
Does the scan tool display Idle?
YES - Go to Step 4
NO - Go to Step 8
Activate the driver door lock switch to the LOCK and UNLOCK positions.
Does the scan tool display Idle?
YES - Go to Step 9
NO - Go to Step 5
Activate the front passenger door lock switch to the LOCK and UNLOCK positions.
Does the scan tool display Idle?
YES - Go to Step 9
NO - Go to Step 6
With a scan tool, observe the driver door lock actuator command and the passenger door lock actuator command parameters in the Doors data list.
Activate a door lock switch to the LOCK and UNLOCK positions.

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