I'll be happy when folks openly laugh and roll their eyes when some dealer claims the car needs a $20k transmission because a $30 part failed. It does make me wonder about some of the flack I got when I started this thread. The fact that Porsche makes none of this info available (and has ZF bound to a confidentiality agreement) really stinks to high heaven. I'll post some screen shots if it works out. I'll add that to the PDK post as it's a key missing item needed to t-shoot transmission problems. maps solenoid positions to gear selection). I'm going to try and capture the PDK solenoid current values in each gear today, I should be able to use that data to construct a solenoid truth table (i.e. It might be worth playing around with it.
#How to use piwis 2 software
The software came preset for the VM to use 1.5 GB of RAM and two processors, that can be changed in the VirtualBox settings menu. Regarding the software speed it actually seems to run a little faster when hooked to the car when compared to simulation for whatever reason. I didn't actually change any on my car (not that brave yet) but seeing they were there was encouraging. I was playing around with the "coding adaptations" function for the various systems last night and was pleasantly surprised with how many things can be changed. If you do want these online modules you probably have to buy their software version as I don't think the VM version I discuss above supports this function. It also appears that you can do minor programming modifications (as opposed to reprogramming) without the modules though I have not confirmed this. You can use the PIWIS clone without this to read all real time data, perform troubleshooting activations, maintenance items, etc. This seems really sketchy to me and I would not do it. There are different modules depending on what needs to be programmed, and they charge you for this, I've read $200 per module. These online modules are the clone version where the PIWIS clone phones home (to China in this case) to get some bootleg version. The unit I bought is a Samtec clone that is recommended as the better unit over the J2534 version in the posts I've found online.Ī real PIWIS phones home to Porsche when it needs to program a device (such as programming a new key). If needed I'll add some supplemental cooling. However the internals may not have a good heat path so I'm going to run it with it open and check the parts with an IR thermometer. No obvious signs of overheating as the case was just slightly warm to the touch.
#How to use piwis 2 windows
My OS is Ubuntu Linux running on an eight year old HP laptop, it should also work fine on Windows from what I've read. It's a little slow loading taking maybe twenty seconds at first but runs fine after that. I didn't want to deal with trying to keep XP running after all these years and the VM is a great alternative as it won't go obsolete. I'm running it as a VM using Oracle's Virtual Box (free download) and have had no issues at all. Two items not documented there are to 1) enable virtualization in the BIOS and 2) add your username to the virtual box user group if using Linux. If anyone is considering this the link up in comment #7 is what I followed and it worked great. It did not seem to get overly hot when I used it today and hopefully that issue has been resolved. There have been a few reports of these units overheating so I may add a small 40mm fan to the box or perhaps a heatsink to the processor. The ability to read the "actual values" rather than just fault codes should be a huge help in troubleshooting. I read back the PDK real time sensor data, confirmed the maintenance capabilities (fluid change, calibration), found an old stored fault code, and read the over rev report (70 stage 1 and 6 stage 2, seems typical for a PDK). After I got through a few configuration issues (my fault not the unit's) it was communicating with my car and working beautifully. First impressions are that it's solidly built, the box is heavy duty with a brushed aluminum case and high quality cables. Porsche diagnostic tool: Chinese PIWIS 2 V18.1 Use Chinese PIWIS 2 repair a PDK Transmission on Porsche 997
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