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Ford Focus MK1 2002 - Central locking control unit does not lock

trajmund 4842 13
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  • #1 17077722
    trajmund
    Level 10  
    Hello everyone. I will stick to the topic if I can. I know that many posts have already been on the forum, but I have to write a new one because the problem is a bit different. Focus 2000 year. Opening and closing the central by turning the key in the driver's door lock works fine, but the problem is The following. Applying ground to the black and green wire at the driver's door opens all the doors, while giving ground to any other wires in this bundle does not close the central lock, so here the matter is by no means strange. Everything is ok when you try to locate the wire in the bundle responsible for closing the door has no effect. Could the comfort module be, so to speak, "released"?

    Moderated By CameR:

    Separated from: https://www.elektroda.pl/rtvforum/topic2785035.html
    Reg. 3.1.19. Do not send messages on archival topics if this is another question, especially other than the questioning person. Out of respect for the questioner, create your own topic. You can only add a solution to the problem.

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  • #3 17077928
    trajmund
    Level 10  
    I wrote that the opening in the driver's door works.
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  • #4 17078072
    CameR

    Moderator of Vehicle Security
    Then find the correct wires in the car's installation for control from the additional controller.
    You're probably on the wrong cable.
    Helpful post? Buy me a coffee.
  • #5 17078086
    autoas
    Level 42  
    trajmund wrote:
    while applying ground to any other wires in this bundle does not close the central lock

    Remember that you must do these attempts on all closed doors so that all the switches "see" the closed door ....
  • #6 17078099
    trajmund
    Level 10  
    I plugged in the appropriate cables. I even dismantled the "side" of the door and tried it directly at the driver's door lock and the effect is the same. Black and green opens the locked door, but connecting with mass to any of the wires does not close the central lock. Like clipping into the wires at the driver's side pillar, unfortunately, a strange thing.
  • #7 17078283
    abart64
    Level 33  
    I think the mass stays on one of the wires and giving the mass to the other does not work. You probably need to cut the wires and do relay switching. The second is, if I remember correctly, black and orange.
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  • #8 17078416
    CameR

    Moderator of Vehicle Security
    Lock control - in the harness to the driver's door:
    black and red, black and green (thin)
    downside control
    Helpful post? Buy me a coffee.
  • #9 17078456
    trajmund
    Level 10  
    abart64 wrote:
    I think the mass stays on one of the wires and giving the mass to the other does not work. You probably need to cut the wires and do relay switching. The second is, if I remember correctly, black and orange.

    It also seems to me that this is the only way to be done.

    Added after 1 [minutes]:

    CameR wrote:
    Lock control - in the harness to the driver's door:
    black and red, black and green (thin)
    downside control

    I tried in every way and nothing. Only the black and green cable opens. None of the others wants to close the lock.
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  • #10 17078556
    Anonymous
    Anonymous  
  • #11 17078730
    trajmund
    Level 10  
    norbert.s. wrote:
    Defective control switch in the lock. Standard fault in Ford cars. If you cut the control wires in the side of the door and connect the control towards the car, it will work.

    The lock was replaced earlier. Unless the second one is damaged. When opening and closing the driver's door with the key, everything works normally (opens and closes).
  • #12 17078732
    Anonymous
    Anonymous  
  • #13 17078745
    trajmund
    Level 10  
    norbert.s. wrote:
    There may be a second.

    So why is it going to be closed and opened centrally through the insert in the driver's door? If it goes to do it, it should open and close after applying the mass to the wires.

Topic summary

The discussion revolves around a central locking issue in a 2002 Ford Focus MK1, where the central locking control unit fails to lock the doors despite functioning correctly when using the key in the driver's door. The user reports that applying ground to the black and green wire opens all doors, but no other wires in the bundle successfully close the lock. Various responses suggest checking the wiring for the control from an additional controller, ensuring all doors are closed during testing, and the possibility of a defective control switch in the lock. The user has already replaced the lock but continues to experience issues, leading to speculation about potential wiring problems or the need for relay switching.
Summary generated by the language model.
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