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Ford Fiesta MK7 Wiring/Electrical Help

alexx86
alexx86
in Ford Fiesta Club

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Hello everyone,

I am trying to build a remote internet connected system with functionality to to open/close, remote start and to listen and monitor information over the CAN-bus.

I'm in the beginning of this project and I'm trying to locate all signals/wires needed in order to start. Does anyone here has electrical drawings for the Fiesta MK7 (2010)? Particularly over the door lock system? Ignition and immobiliser is OK.

If you don't have the drawings maybe you know where to find the lock/unlock wires? It would be good if I could find them close to the left-hand A-Pillar/driver door since the module will be located there. How are they triggered, by a high 12v pulse?

Thank you!

  • Quote


    2 hours ago, alexx86 said:

    maybe you know where to find the lock/unlock wires?

    I believe that the locking is controlled inside the door modules, that are connected to the BCM via the MS CAN bus. So the physical lock/unlock signals will only be present inside the doors, between the modules and the locking motors.

    Maybe it would be possible to uncover the messages sent over the MS-CAN bus to control locking/unlocking, but I suspect this may not be easy. It would be a security risk if too easy, though Ford do not always seem to bothered about that!

    I am not 100% sure if this is the right version, but it shows the principle.

    Fi-13-Lock.PNG

  • Quote

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