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Help me fix my central locking please

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    Help me fix my central locking please

    So here's a step by step of what happened to my RHD E30 1991 sedan:

    1. Central locking is working fine
    2. One day, the actuator of the driver's door gets jammed in the locked position, I can't unlock it or open door
    3. To allow use of car, I remove the actuator
    4. One day, I find a replacement actuator, but this is actually a blue headed one meant for the rear trunk
    5. I install this blue actuator into the driver's door
    6. Central locking doesn't work now
    7. I read online about how the actuators are specific to each door, by now I have managed to unjam the original actuator that was in the driver's door, so I removed the blue actuator and reinstall the original one
    8. Central locking still doesn't work

    When I say central locking doesn't work, I mean nothing happens when I lock or unlock either of the front doors. Sometimes randomly, I will hear a whirring sound and usually the petrol flap gets locked, but other than that, no other doors respond.

    Any suggestions? Did I fry the central locking module by using the wrong actuator on the wrong door? Is there some sort of reset procedure I need to do?

    #2
    Read the wire diagram in the central locking section. You will need a jumper wire to following the directions in troubleshoot to see if your module is fried? thats how I found out that my module was fried. got one from and member here plug and play.
    diagram link. http://www.armchair.mb.ca/~dave/BMW/e30/
    sigpic
    327is
    325es
    325es
    318is
    Fiesta ST
    E46 M3

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      #3
      Which page are the directions for troubleshooting on? I have the diagrams, but I don't see troubleshooting instructions for the central locking

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        #4
        Originally posted by evilnickwong View Post
        Which page are the directions for troubleshooting on? I have the diagrams, but I don't see troubleshooting instructions for the central locking

        I don't see that in the 1991 diagram. Perhaps you try 1989 model. I believe theyre the same but not sure. You should confirm if they're the same. The central locking diagram is in section 5126-2 page 50 in the PDF file.
        sigpic
        327is
        325es
        325es
        318is
        Fiesta ST
        E46 M3

        Comment


          #5
          Originally posted by dsphil View Post
          I don't see that in the 1991 diagram. Perhaps you try 1989 model. I believe theyre the same but not sure. You should confirm if they're the same. The central locking diagram is in section 5126-2 page 50 in the PDF file.
          the force is strong with this one

          Closing SOON!
          "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

          Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

          Thanks for 10 years of fun!

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            #6
            Whoa you're right. I downloaded the 1989 and it has a nice guide to troubleshooting the central locking system. I'll try this out when i next get back to my car, thanks!

            I'm now wondering what else might be missing from the 1991 version that I've been using all this while..

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