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PIWIS 3 Coding Retrofit and Feature Request

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Old 10-31-2023, 10:52 AM
  #811  
LP718
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Default has anyone used PIWIS 3 to bleed brakes/cycle ABS
I can't find anything on the internet using piwis to do the job.

Help
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Old 10-31-2023, 10:59 AM
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daaa nope
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Originally Posted by The Leucardian
Has anyone made any progress on finding a way to make it so when PSE is on the exhaust valves don't close during 2-5k operation?
I hope to be corrected but I do not thing that is a configurable thing. The PSE valves closed is related to EU noise emissions requirements. Things like that, much like changing an engine tune, won't be editable via PIWIS. Need a tuner to do that.
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Old 10-31-2023, 11:10 AM
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Originally Posted by LP718
I can't find anything on the internet using piwis to do the job.

Help
Yep, this helps. Otherwise follow the on screen instructions .

http://plenums.blogspot.com/2016/10/...ystem.html?m=1
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Old 10-31-2023, 11:36 AM
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Originally Posted by daaa nope
I hope to be corrected but I do not thing that is a configurable thing. The PSE valves closed is related to EU noise emissions requirements. Things like that, much like changing an engine tune, won't be editable via PIWIS. Need a tuner to do that.
Or a valve controller - soul, cargraphic etc
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Old 10-31-2023, 11:53 AM
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Originally Posted by Josh_357
Yep, this helps. Otherwise follow the on screen instructions .

http://plenums.blogspot.com/2016/10/...ystem.html?m=1

Good stuff. Looks like most don't have to do the ABS portion.

Another question: anyone know how to extract the yellow master cylinder screen without having to apply tons of force?
Last edited by reacp911; 10-31-2023 at 11:58 AM.
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Old 10-31-2023, 11:57 AM
  #816  
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Originally Posted by Josh_357
Yep, this helps. Otherwise follow the on screen instructions .

http://plenums.blogspot.com/2016/10/...ystem.html?m=1
I just went to piwis and my menu items are different. I'll have to wait till I'm not in simulation mode.

Thank you
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Old 10-31-2023, 12:10 PM
  #817  
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Originally Posted by reacp911
Good stuff. Looks like most don't have to do the ABS portion.

Another question: anyone know how to extract the yellow master cylinder screen without having to apply tons of force?
Might not be preferred as you risk getting air in the system, but I just put my power bleeder on with an empty tank and crack a bleed screw and bleed the reservoir down. Get a good bit out, maybe not empty, but I also do my fluid 2x a year so, a little mixing is fine for me. I've always struggled with that screen, and my fear is getting plastic debris in the system.

Originally Posted by LP718
I just went to piwis and my menu items are different. I'll have to wait till I'm not in simulation mode.

Thank you
I think that was written with PIWIS II not a III. The only benefit to using PIWIS is that you bleed the ABS circuits. Also make sure you have enough fluid. I think I plan at least 1.5L when I use that program.

https://rennlist.com/forums/attachme...eed-brakes.pdf
https://rennlist.com/forums/attachme...lace-fluid.pdf
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Old 10-31-2023, 12:20 PM
  #818  
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Originally Posted by LP718
I can't find anything on the internet using piwis to do the job.

Help
Sure, based on Piwis 3:

Diagnostics/PSM/Maintenance repairs,

there you will find:

-bleed brakes
-hydraulic swap test
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Old 10-31-2023, 12:30 PM
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Originally Posted by LP718
I can't find anything on the internet using piwis to do the job.

Help
regarding ABS… depends if you are fitting a new unit (requires programming) or if you ara reinstalling the old one, requires a test.




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Old 10-31-2023, 01:29 PM
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Originally Posted by daaa nope
I hope to be corrected but I do not thing that is a configurable thing. The PSE valves closed is related to EU noise emissions requirements. Things like that, much like changing an engine tune, won't be editable via PIWIS. Need a tuner to do that.
I have heard a few claims in some German forums that it could be done with PIWIS but without solid proof. 🤔
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Old 10-31-2023, 02:27 PM
  #821  
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Originally Posted by perfe.gt4
Does Porsche offer options to customize various features such as lights, warnings and other options?
Carly popped into my mind but I've noticed that does not support newer Cayman models.

EDIT:
Thanks for moving my post, I didn't find this thread. Excellent!

My wishes are somehow complicated So I'm not sure if this can be done ;-)
1. disabling the daylight option in headlights
2. enabling the 'LED stripes' for daylights
3. turn on the side markers on an Euro car
4. set start/stop off by default
5. disable the '3-blink option' (I know this is doable based on information is this thread).
I think that you can code all except #1. Look for the DRL settings in the Front and/or rear Electronic module.
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Old 11-02-2023, 02:19 PM
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Originally Posted by 718socal
I think that you can code all except #1. Look for the DRL settings in the Front and/or rear Electronic module.
Thank you, that is good news.
I hear start/stop system can't be altered.
Do you perhaps know any credible source for purchasing the PIWIS SW in Europe?
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Old 11-02-2023, 02:40 PM
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Originally Posted by 718socal
I have heard a few claims in some German forums that it could be done with PIWIS but without solid proof. 🤔
Same. I saw that too. Someone claimed they could do it, but I think they wanted to make money off of it and weren't sharing the secret.
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Old 11-02-2023, 04:22 PM
  #824  
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Originally Posted by The Leucardian
Same. I saw that too. Someone claimed they could do it, but I think they wanted to make money off of it and weren't sharing the secret.
Has anyone tried to activate the exhaust valves in the Rear BCM?






Will the exhaust valves remain opened if you disable them here?


Last edited by 718socal; 11-02-2023 at 04:36 PM.
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Old 11-02-2023, 05:18 PM
  #825  
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Originally Posted by perfe.gt4
Does Porsche offer options to customize various features such as lights, warnings and other options?
Carly popped into my mind but I've noticed that does not support newer Cayman models.

EDIT:
Thanks for moving my post, I didn't find this thread. Excellent!

My wishes are somehow complicated So I'm not sure if this can be done ;-)
1. disabling the daylight option in headlights
2. enabling the 'LED stripes' for daylights
3. turn on the side markers on an Euro car
4. set start/stop off by default
5. disable the '3-blink option' (I know this is doable based on information is this thread).
#4 HERE Just a quick search. Not sure if it works. 981GTS stay in last setting the 4RS doesn't have that problem
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