Hi Adec,
Welcome to the forum.
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viewtopic.php?f=38&t=4901I'm not sure what the VDA connector is. I assume you have a copy of the iO Play 2 manual:
http://www.my-io.com/wp-content/uploads ... ST2012.pdfI'd suggest you get yourself a copy of the X Trail Electronic Service Manual, either online or from EBay, so you can reference the Entertainment System section.
The only reference I see related to the gear stick, is the reverse switch input.
Kind Regards,
Eoin