Reply With Quoteanyone knows help !?
I modified PID controllers, but I think it is not enough... what needs to change??
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Thread: Ibiza 1.4TDI to VNT
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13th December, 2011, 08:18 PM #1Member
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Ibiza 1.4TDI to VNT
Hi all
Does anyone know how to enable VNT on my file?
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14th December, 2011, 08:58 PM #2Member
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14th December, 2011, 10:12 PM #3Banned
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VNT or not..it is still controlled by the same ECU. is it not blowing at all?
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15th December, 2011, 01:33 AM #4Member
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Turbo is blowing and EGR is vacuum.
I also need the valve box of the PD130 and the vacuum accumulator.
Turbo will be 17vb.
Is possible enable the VNT in file, but do not know how..
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15th December, 2011, 03:55 PM #5Top Poster
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vasco, i think theres some kind of switch to enable VNT, but i can't help with that, just a thought i have...
Originally Posted by vasco fernandes
Turbo is blowing and EGR is vacuum.
I also need the valve box of the PD130 and the vacuum accumulator.
Turbo will be 17vb.
Is possible enable the VNT in file, but do not know how..
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15th December, 2011, 04:40 PM #6Member
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Yes, there are some switches. I tried to damos file, but I unsuccessfully.
Last edited by vasco fernandes; 15th December, 2011 at 04:49 PM.
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13th October, 2012, 02:03 AM #7DK Veteran
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Originally Posted by vasco fernandes
And news about that ? I m looking the same thing , found some switchs , something to do with the frequecy of the LDR .
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4th March, 2013, 07:45 PM #8Top Poster
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You dont need the box, just need to fit N75 valve correctly connected to your own box pinout and activate duty cicle on dump. Abra
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4th March, 2013, 09:33 PM #9Junior Member
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Have you ever tried this by your own on *real* Hardware?
Theres a little bit more than that!
Its possible, but you have to enable VNT/VTG, theres a switch to define the pressure-controller inside the software. You can define it as not controlled (SDI), controlled Wastegate, controlled VTG/VNT.
The Problem is that you have to change some Maps and the output-linearisation of the Pressure-controller, too. Thats because VTG/VNT works the opposite way (in controlling) as the wastegate-controller (therefore: pressure above set point, VTG or Wastegate opens - but look at the hardware and the pwm-signal to the N75, its mirrored for waste gate!).
And even more: the wastegate is only used to reduce boost (above setpoint) but the VTG is used to "form" the boost depending on rpm and injection amount).
So to find the switch and everything needed its the best to find 3 softwares...
- 1 VTG-file
- 1 Wastegate-file
- 1 SDI-file
BUT... you have to look that the software numbers (VW-Softwarenumber on EDC15) or at least the BOSCH-Numbers are as close as possible.
Then compare the files and you will see the differences!
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