Trouble with Interior door locks on 2004 Mitsubishi Lancer

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  #1  
Old 07-27-12, 07:57 AM
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Trouble with Interior door locks on 2004 Mitsubishi Lancer

I am having trouble with my left passenger interior door lock and right rear interior door lock on a 2004 Mitsubishi Lancer. The interior locks themselves do not work so I cannot lock or unlock the doors however, when I lock/unlock using the master lock on the drivers door, the locks then open. Can anyone tell me what replacement part I need to buy to fix it so that actual locks on those doors will work without having to use the master lock on the drivers side?
 
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Old 07-27-12, 09:25 AM
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Not sure..
Locks do not work from the door buttons, but do work from the master driver door lock?
So, the power lock actuators do work.
Most likely, it's simply lock button issues. Take panel off or, sometimes, you can take entire switch assembly out "as is", clean and lubricate contacts and make sure plug goes in firm.
I had similar issue on 86 LeBaron, when driver side master switch harness kept loosening itself. I simply locked it in place with a zip ties, and that did it.
Or, you do not have 12V supplied to the switches.
 
  #3  
Old 07-28-12, 03:59 PM
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It's definitley a lock button issue on the doors themselves. I think that a latch needs replacing as the lock itself is loose and doesn't lock by itself unless using the master lock. Thoughts anyone?
 
  #4  
Old 07-28-12, 06:06 PM
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you have 2 actuators for any car lock with power locks:
one from power lock motor, which is a simple solenoid
one from mechanical actuator, as in door handle.
PL button simply sends signal to PL actuator to close or open lock.
Locks are loose as in mounted loosely in the door?
You are not clear on what is going on, brother.
Door trim is easy to remove, to gain access to both actuators.
 
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