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Thread: Haldex gen 5 pinout (Golf mk7, A3 8V)

  1. #1
    Verified VCDS User
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    Aug 2017
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    Haldex gen 5 pinout (Golf mk7, A3 8V)

    I am looking for a pinout for Haldex controller for my Audi A3 8VA 2013 year 2.0tdi quattro. I have no communication with haldex controller, so there are DTCs in most systems + esp light and parking sensors not working (no Awd also).
    There are 2 connectors, 1 for pump, the other one is for controller. 1 positive wire, 1 earth, 2x can, ans one more that I donít know what it is for.
    Anyone knows or has a pinout?
    I would like to work on it on the bench..
    Best regards,

  2. #2
    Ross-Tech Employee
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    Jan 2014
    Near Philadelphia, PA, USA
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    I think you will find the information you seek by buying access to the erwin.VW website and downloading the wiring diagrams needed.

    The web site links are found in the Ross-Tech Wiki: Official Factory Repair Information

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  4. #3
    Verified VCDS User NZDubNurd's Avatar
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    Nov 2014
    New Zealand
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    You need to check a diagram, but the other wire is probably a brake signal - a backup for the haldex, if it doesn't receive the brake signal over CAN.

    If you have no comms, you could have a power or wiring issue... but the module may be dead too - sometimes they get water in them.
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