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Thread: Testbench setup?

  1. #181
    Verified VCDS User DV52's Avatar
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    Vastech: hmm........ apropos of Uwe's suggestion - isn't T20 /14 on the CAN Gateway a T15 supply pin? As shown on your WD, it appears to be a T30 supply. Wired as per your picture, both the 2 x T30 and the T15 pins are energized together. I wonder whether this might be the problem - just guessing?

    On the RNS300 in the car, the T15 rail is generated via an electromechanical relay (J329) via the BCM. Perhaps install a single throw, single pole switch in the T30 supply to simulate a T15 signal - maybe (i.e. allow the T30 circuits inside J533 to stabilize before sending the T15 signal)?

    If this still doesn't work and as indicated previously, the module wake-up CAN message on the MQB model Golf is created from the ignition key action via the steering module. Not sure if this is the same for your car, but the WD for a mk5 (which uses the RNS300) has the ignition/starter switch directly connected to J527 (the sterring column module). So exactly the same as the Golf mk7.

    Don
    Last edited by DV52; 05-07-2020 at 04:52 AM.
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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  3. #182
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    Maybe pin 13 - Connection for ignition-key-controlled switching on and off (S contact) needs to be connected to 12v??

    See link below:

    https://workshop-manuals.com/volkswa...s_and_can_bus/

  4. #183
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    Greetings from Seattle Washington,

    This is my first post and glad to be here. I have read this thread a dozen times and am just starting to cobble together my first test bench for Audi B6 chassis cars. Thank you all for the contributions. I am getting excited!

    *rubs hands together*

    Riley
    2004 Audi S4 Cabriolet
    2004 Audi A4 USP 1.8t (2 black and one dolphin grey)
    2003 Audi A4 1.8t
    2007 Audi Q7 4.2
    1991 Audi 200t 20v

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  6. #184
    NostraJackAss Jack@European_Parts's Avatar
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    Does the radio power up on the bench? If not, it may be looking for a CAN message from another module, like a "virtual Terminal 15".

    -Uwe-
    Yup usually from BCM or Cluster too, right guys?

    One day there was a fine Schwarz or Blau wire......
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  7. #185
    VCDS Distributor AINils's Avatar
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    Hey guys tried to activate pACC but will try it first in Testbench. Does anybody of you can give me Part Nr of ACC Plug for 3QF907572 (3QF907561)
    Last edited by AINils; 05-22-2020 at 07:58 AM.

  8. #186
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    4F0972708 (8pin black connector) for 3QF907561A.

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