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Thread: Looking for D+ cable - Engine Running signal, 2012 T5.1

  1. #1
    Join Date
    Jul 2009
    Location
    The Gap, Queensland
    Posts
    99

    Looking for D+ cable - Engine Running signal, 2012 T5.1

    As above. I have T5 (not T5.1) information which says its a Blue cable, but this doesn't seem to be the case for my vehicle.
    I want the signal to ensure my air compressor can't be operational unless the vehicle is charging.

    This information HAS to be available somewhere but no amount of search has helped me.

    Any help greatly appreciated!

    Thanks folks.

    Dave

    2012 132kw T5.1 TDI DSG 4Motion LWB Transporter, locking rear diff. Macron Campervan conversion. ECB bullbar. Milford towbar and rear light protector. Seikel Desert HD 30mm lift kit.

  2. #2
    Join Date
    Feb 2012
    Location
    Mornington Peninsula, VIC
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    568
    Users Country Flag
    You are looking for terminal 61, alternator charge status.

    If the T5 came with an invertor in an alternative market, that's the wiring diagram you are looking for, it will be a wire from the alternator itself, or from the BCM if it's one of those LIN-controlled alternators.
    MY12 Passat FSI Highline | 3.6L VR6 | Cashmere Brown | Driver Assistance Package | Dynaudio | Discover Media | TPMS Direct | Side Assist | Adaptive Cruise | 3D colour cluster | More coming soon
    Genuine VCDS HEX-NET and VCP Pro

  3. #3
    Join Date
    Feb 2012
    Location
    Mornington Peninsula, VIC
    Posts
    568
    Users Country Flag
    Found it. Interesting the inverter on the T5 is set to run all the time, not based on charging like the Passat is.

    T18a/13 on the BCM, you are correct it should be blue.

    Looking for D+ cable - Engine Running signal, 2012 T5.1-t5-bcm-jpg
    MY12 Passat FSI Highline | 3.6L VR6 | Cashmere Brown | Driver Assistance Package | Dynaudio | Discover Media | TPMS Direct | Side Assist | Adaptive Cruise | 3D colour cluster | More coming soon
    Genuine VCDS HEX-NET and VCP Pro

  4. #4
    Join Date
    Jul 2009
    Location
    The Gap, Queensland
    Posts
    99
    Thread Starter

    Thanks MIG, I'll have to try harder! I appreciate your confirming the colour/ terminal.

    It does require a bit of gymnastics to get at that wiring - something I would have been able to do a lot easier 25 years ago!

    Thanks again.

    Dave

    2012 132kw T5.1 TDI DSG 4Motion LWB Transporter, locking rear diff. Macron Campervan conversion. ECB bullbar. Milford towbar and rear light protector. Seikel Desert HD 30mm lift kit.

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