OBDii : SPI 28 tool

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* Thememory for software and data is implemented as a programmable componentinto ECUs for a long time now. Ever since these components are erasableeven as an assembled part of the ECU more and more vehiclemanufacturers chose to provide the possibility to re-load / replace thesoftware and data contents of the respective control unit in additionto the analysis and error detection mechanisms.

By doing sovehicle manufacturers achieve the ability to work knowledge found afterthe production has started into already delivered cars resp. their ECUs.

Withthe help of this interface the tuning technician is able to load amodified file into the ECU without the previously unavoidable hassle ofmechanical jobs on that very unit.

no need to dismantle the ECU
shorter waiting periods for the customer
the possibility to reverse the software upgrade without any trace e.g. when selling the car

As practical as this is, it's also a tricky business:

not every ECU allows reading out its data via this service interface
one easily can overwrite a tuning file while carrying out an inspection
no simulation possible; therefor only restricted suitability for research purposes
an actual vehicle is essential - stand-alone ECU is problematic
TheSPI is a co-development by us and the english company Superchips, whooffer their own tuning files with a similar system. But if you need toload your own files serially we can offer you the independent EVC SPIsystem for reading from and writing to ECUs.

In order to programan ECU one needs a customer key besides the software, an adapter boxand the connection cable. When programming the ECU for the first timethe customer key is being permanently linked to the respective car'sVIN (vehicle identification number). Thus this programming process canbe done as often as you want but the next car will need a blankcustomer key.

Due to this licensing method the furtherdevelopment of other car types is ensured while the basically equippedversions can be kept rather affordable.

Depending on the ECUthe read out files resp. the tuning files to program have anotherlength than the eprom. Furthermore an identification must be put intothe tuning file. Both can have the result that the checksum can becorrected only with WinOLS.

Recommendations for the use of SPI:

Operating system: Win98, WinME, Win2000, WinXP
Ports: parallel, serial( adaptor SPI105 doesn't work on all cars )
Coding (SPI200 / SPI230):
Withthe help of the supplied coding program you are able to encrypt yourtuning files and deliver it together with coded customer keys to yourretailer. So your know how is protected and you have control over thenumber of tuned cars.

look for the compatible car list, please to download the PDF file

Description

OBDii : SPI 28 tool
The memory for software and data is implemented as a programmable component into ECUs for a long time...