G-8VXWWTRHPN Transporter Multivan 2012 T5 drivers door latch failed microswitch workaround. - VWWatercooled Australia

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Transporter Multivan 2012 T5 drivers door latch failed microswitch workaround.

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  • Transporter Multivan 2012 T5 drivers door latch failed microswitch workaround.

    I posted on this some time ago mentioning I didn't feel confident pulling the latch/lock unit out. This is information only in case anyone else wants to.

    - Central locking had failed, including window wind-up and rear door lock (no manual keyhole)
    - Central unlocking worked fine
    - Dash warning indicator stayed on (cause for failing safety check in this state/country)

    In photo attached
    - Thick wires I assume carried solenoid current
    - Thin wires are sensor signals tied to 12V at the logic unit end via resistor. ie the line is taken to ground at the microswitches.
    - Yellow/blue was normally at 12V (10-14V) unless the manual key was turned fully one way or the other when it dropped to 0V. No doubt the central locking/unlocking when using the key rather than the remote.
    - Green yellow was at 0V till I cut it and to be honest I couldn't reason its actual function. With it cut all the door locks gave a thump (unlock?) when the ignition was turned on. I had a jumper on it this photo till resoldering.
    - Black was at 0V till I cut it. It now thinks the door is always shut. That can cause some odd behaviour, like it relocks when I get back into the van without starting etc.

    I hope someone will find this useful.Click image for larger version

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  • #2
    The green wire connects directly and only to the control module.
    Performance Tunes from $850
    Wrecking RS OCTAVIA 2 Link

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