Power locks only work for 2 driver side doors...

Discussion in 'Car Repair' started by 92civicproblems, Oct 11, 2008.

  1. 92civicproblems

    92civicproblems Full Member

    First, thanks for taking the time to read my post. I just bought my first civic ('92) and there is a problem.

    Problem: The power locks only work for the 2 driver side doors.

    Like I said, I just bought the car and I don't know where to start on this one.

    Thanks so much for all your help!

    Last edited: Oct 13, 2008
  2. jonnyv713

    jonnyv713 The Young Gun of CAT

    Fuses? ? ? or maybe your switches are burnt out on that side.
  3. 92civicproblems

    92civicproblems Full Member

    Thanks a lot for replying :)

    I checked all the fuses and everything is set to go with that.

    Now as for the switches being burnt out I'm not to sure of...
    Are you talking about the switch you press in order to lock/unlock the door?

    NOTE: When I try to lock all the doors from the driver side I get no response from the passenger side door locks.

    Thanks again for your help :)
    Last edited: Oct 11, 2008
  4. jonnyv713

    jonnyv713 The Young Gun of CAT

    im sure its the switches then try to test them. get a test light, pull off the door panel, and find the one side of the switch that always has power to it, remember that one and then try to find another hot wire when the switch is pushed each way. if there is only one hot wire then go to a junk yard and get new ones or get brand new ones from the parts store, its cheaper from the salvage yard tho. You have a civic, parts will be cheap. if no hot at all, then ure problem is somewhere else.
  5. jonnyv713

    jonnyv713 The Young Gun of CAT

    u r 16 right? if so cool, im not the only young guy on here! Im 14...
  6. pedro quiroga

    pedro quiroga Well-Known Member

    bad relay for that side of the car maybe??
  7. tyrant1014

    tyrant1014 Full Member

    Whoa woah woah, test lights unfortunately shouldn't be used for anything but fuses you will fry your pcm if you do.

    If it was a bad switch, none of the locks would work at all and none of them would do what they were supposed to. My assumption is either a bad power door lock control unit or two bad actuators.

    When doing these... inspect the wires the entire time

    What you will want to do is start at your fuse box and follow the wire from your power lock fuse to your power door lock control unit. (Gray box with wires coming out of it)

    Then follow that to the first actuator. When you get to that first actuator you will notice another wire coming off of that same wire that runs to the actuator.

    If it doesn't and just runs straight to the actuator then follow the other side and you will eventually end up at that splice.

    Follow it, it will take you to the other actuators. There will be two splices running off of that wire, those are the positive sides of the other actuators and the wire that was spliced off of will go to the last actuator make sure that all of these wires are good and connected to the actuators, then check the ground sides teh actuators will be spliced into the ground wire that runs from the first splice to the power door lock control unit.

    If all of the wires are connected than it is time to do the ghetto ohm test.

    What you do is switch positions of your drivers side door locks with your passenger door locks, and if your passenger doors start working and the drivers side doesn't than it is just your actuators, but if your drivers side still does and your passenger side still doesn't work

    Than it is your power door lock control module.

    A new one is about 20 bucks and can be installed in no time. Finding the problem will be time consuming but you can do it with patience.

    Personally I suggest switching your actuators first, because if the working sides reverse, than you have just saved yourself a bunch of time, but if they do nothing than you need to start looking for wires as I have told you above. If all wires are kosher than boom you know your problem.

    here is the wiring diagram, it isn't the exact same year, but generally automakers wire different year models in very similar fashions.


    Last edited: Oct 12, 2008
  8. 92civicproblems

    92civicproblems Full Member

    Yea I'm 16 :) you know a lot for only bein 14..
  9. 92civicproblems

    92civicproblems Full Member

    Thanks a lot tyrant1014!

    I will do what you said and let you know what happens.

    Thanks again :)
  10. jonnyv713

    jonnyv713 The Young Gun of CAT

    thank you, all it takes is motivation and determination. Oh and alot of answers for my questions from the guys around here.
  11. 92civicproblems

    92civicproblems Full Member

    Okay tyrant1014,

    First of all I wanna thank you for helping me out...

    I don't know what an actuator is and I've never seen one..

    I also don't know what the control unit is or looks like either...

    Behind the fuse box is a ton of wires and harnesses and a complicated mess of electric madness!!

    I don't know what to start following! :(

    I posted these pictures to give you an idea of what I'm looking at here...

    This is my fuse box which is under the steering column.
    This is the jumbled mess behind the fuse box. There looks to be a small gray box (possibly 2x2in.) with wires connecting to it.
    Passenger side..
    Zoomed in view..
    This unit here could have something to do with the power locks.. (I'm not sure)..
    This is under the glove box (IDK what it is!)

    Hope this helps you get a better idea of what I should do...

    Thanks soooooooooo much! :)
    Last edited: Oct 12, 2008
  12. G3n3R@1

    G3n3R@1 Full Member

    hey im 19 so dont feel alone haha. sounds like you may be in a little over your head with this issue so maybe you could take it to a garage and have them check it out.
  13. 92civicproblems

    92civicproblems Full Member

    I'm in over my head with a lot of stuff but I always get things fixed because of people that actually help :)

    And I'm definately not paying anybody to fix it because it's not a safety hazard and I'm 16! I don't have money to be spending on luxuries like power door locks you know what I mean? I'd rather just try and fix it myself.

    Thanks for the suggestion tho :)

    If you wanna pay the garage fee I'm cool with that to lol
  14. G3n3R@1

    G3n3R@1 Full Member

    too be honest i just wanted to say i was 19 and still have something that applied to the thread. i feel ya on not wanting to spend any money and doing it yourself. tyrant should def. be able to help ya out. hes worked wonders haha
  15. 92civicproblems

    92civicproblems Full Member

    Oh lol, yea hopefully he can help me out. He seems like he really knows what he's talkin about. Mass credit to him if I end up gettin this fixed. :cool:
  16. jonnyv713

    jonnyv713 The Young Gun of CAT

    ya tyrant is going to school to be an auto tech so he knows his stuff. and hell, i have nothing power in my car except the driverside mirror and it barely works. o and i added an electric fan... lol
  17. 92civicproblems

    92civicproblems Full Member

    lol is that a monte carlo? fourth generation? 88 maybe? lol just taking random guesses...
  18. tyrant1014

    tyrant1014 Full Member

    why do you think that I don't have power anything in my car, haha I'm not really all that great with most stuff I just happen to know my stuff when It comes to electrical
  19. 92civicproblems

    92civicproblems Full Member

    No, I think he was saying the HE didn't have anything power in HIS car lol

    ...so tyrant you know what I should do? I got all them pictures up there to help you help me lol
  20. tyrant1014

    tyrant1014 Full Member

    Okay, here is what I want you to do, Pop off your drivers side door panel. be gentle because you don't want to break stuff, and then play with the door lock, pushing it down and up. Then follow those bars to a little object that should be a off white plastic square. That is your door lock actuator. Then follow the cords that are attached to it back to a blue or grey box with a harness coming out of it. That is your power door lock control module.

    Let me know when you get there.

    Oh yeah that thing under your dash is your blower motor, basically it is what allows your ac/heater fan to operate at different speeds.

    Have some fun and pull it while the fan is on, you will see that it will quit working.

    Good luck and take it slow haste makes waste.