From Nefmoto

.xdf - TunerPro Definition File. The XDF data files are related to TunerPro.XDF file is a TunerPro Definition File. TunerPro is a free automobile tuning software (chiptuning. TunerPro The software used to make changes to (tune) the binary files J3 Chip The chip used to override the factory calibration with one of your choice, installed on the J3 service port on the bottom of the EEC. A bin file is a bin file. A bin definition is an XDF, and an acquisition definition is either an ADS (older format) or ADX (newer format). The TunerPro help file. 1 Welcome to the Motorcycle Tuning XDF Wiki 2 Important information 3 How to download and contribute 4 Announcements / TODO 5 Latest activity Open-source community edited XDF definition files for TunerPro (and TunerPro RT) on modern motorcycle firmwares. Welcome to the MotoXDF Wiki. This site contains no BIN files, and is never meant to. It only has XDF masks for use in TunerPro.

To read your car's stock file from the ECU you can use Tony's free NefMoto ECU Flashing Software. It is the easiest and best supported method. You will need a cheap flashing cable.

If you already have an aftermarket tune from a commercial tuner, it is likley that they will have disabled the ability to read using this method.

In this case or if something goes wrong and you can no longer connect using NefMoto, you will need to have a Galletto 1260 Flashing Cable to hopefully rescue the ECU in boot mode (a lower level protocol).

To change your ECU tune will require map editing software. Tunerpro is a free map editor. WinOLS is a more expensive map editor. Most non-professionals use TunerPro.

TunerPro will need a definition file (.XDF) for the ECU file you want to edit. This tells TunerPro where the various maps and relevant data are in the file. There are several XDFs posted in the Nefmoto Definition File subforum. Many are works in progress; if you find an error please let the author know.

You will need knowledge of which maps perform what tasks and what data should be changed. Read the S4Wiki.org tuning guide and the Nefmoto tuning subforum.

Your ECU file has several internal checksums that need to be updated when the file is altered. If these checksums are incorrect the car will not start. Or worse, it may start once or twice and catch the invalid checksum and leave you stranded. A lot of guys carry around a spare known working ECU as insurance.

More info about checksums: Andy Whittaker's site.

MTX-electronics sells an affordable TunerPro plugin that will correct checksums for ME7.

Xdf Files For Tunerpro

Writing/flashing your tuned file back to the ECU is the same as the reading process above. Again, use the NefMoto ECU Flashing Software.

Keep close track of how your car is performing after each tune revision.

• Vag-Com to check LTFTs (long term fuel trims) and other things.
• APR's ECUx. Not really supported anymore.
• Setzi's ME7Logger - The fastest and most flexible to date.
• NefMoto (as of 1.9.0.0) has logging support.

The open source VW/Audi ECU community is evolving nicely. Please help give back by providing your feedback and helping others.

Tuning

• The S4Wiki.org tuning guide is an incredible ME7 resource put together mostly by nyet. Check out the other articles on the site.

ME7 Documentation

• Funktionsrahmen - Bosch ME7 documentation

Books

Intro

This is intended to provide a brief overview of the steps required to get up and running tuning an OBD1 GM vehicle. It is deliberately vague. Instead of providing an exhaustive guide here, there are a series of links to smaller tasks and explanations. 94-95 LT1 vehicles are going to be an exception not covered by this guide as they are tuned via reflash only. See the 94-95 LT1 getting started page for more. The “What do I need GM” section is going to have basic hardware and software suggestions for groups of vehicles.

Steps

1. Install chip adapter. The particulars of this will depend on which chip adapter you have exactly
   • Install G1 adapter: G1 Product page (with install)
   • Install G2 adapter: G2 Install
2. Plug in Moates devices to your PC. With most modern operating systems, FTDI USB drivers should install automatically via Windows Update. In the event things don’t go smoothly, look at the USB troubleshooting guide.
3. Download and install tuning software. TunerCat OBD1 Tuner And TunerPro RT are the usual candidates. This guide will cover TunerPro RT
   • Install TunerPro RT: http://www.tunerpro.net
4. Download XDF, ADX as appropriate for the vehicle you are working on.
   • TunerPro.net: Definitions download
   • GearHead-efi.com: Ask google gearhead-efi and your mask ID: i.e. for 90-92 F/Y body 1227730, “gearhead-efi $8D“
   • You may need to Convert an ADS to ADX if you can only find an ADS
5. Read your stock chip using a BURN2 or APU1 to get your stock bin OR download one online that should work
   • Gearhead-efi has an extensive archive of many bins: Gearhead Files
6. Load appropriate files in TunerPro:
   • XDF first: Select XDF (this is a map of the tables and parameters to edit in a bin)
   • ADX second: Acquisition… Load Definition (this is a guide of how to communicate with the vehicle and retrieve data)
   • BIN third: File… Open (this is the actual file that goes on the chip, in the ECM, running the vehicle)
7. Configure TunerPro to log:
   • Configure for logging with ALDU1 logging guide
   • Configure for logging with an APU1 also APU1 YouTube Getting Started
8. Get the program you want in the ECM
   • Option A: Burn a chip with the BURN2 / APU1
   • Option B: Realtime tuning
     • With Ostrich2 you will need a SocketBooster for 24 pin applications!
     • 32 pin applications work best with Ostrich2
     • APU1 works for 24 and 28 pin applications with no additional adapters
     • After you have loaded a valid BIN file, disable checksum. To do this, change the Mask ID from it’s “normal” value (i.e. $8D hex or $6E hex or $0D hex or $42 hex) to $AA (that is “AA” in hexadecimal). This will allow you to make changes live without angering the computer. CRITICAL.
     • After you have a checksum-disabled bin, press the blue “up arrow” to load your bin form TunerPro to hardware
     • If you want changes to happen as you make them in TunerPro, click the blue “chip” icon near the arrows to enable or disable emulation. You should see the status in the lower left change to indicate emulation is active
9. Start logging. Click the two arrows pointing away from each other. If TunerPro can connect, you should see the lower status bar change to say “DA: Connected” along with how fast it is receiving data packets in Hertz.
10. Tune the vehicle.

Tunerpro Definition Files Software

Final Words

If you have prior tuning experience with other products, you may want to look at this article which discusses the differences between more modern tuning systems and TunerPro RT on OBD1 GM.

Tunerpro Definition Files Mac

If you don’t have prior tuning experience, you are highly advised to do some serious reading on thirdgen.org’s DIY PROM board and gearhead-efi.com to get up to speed a bit.