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Hi Im Carlos I have an evo IX mr. And im thinking of buying a used is300 for daily driving. Thing is im about to buy a tactrix cable to play a little with my evo's ecu. There are two different tactrix cables one for mitsu specific vehicles and an universal one. Do any of you tune your is 300 with either cable and a laptop?

Thanks in advance

Heres some pics of my car :)

 

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Try this:

tactrix

I think because OBDII is universal, you're real problems will be your software. The pinout should be the same. Different cars use different protocols (language) to communicate with software.

~DB
 

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so there isnt a program for the stock ecu available like lets say evoscan for the mitsus?
no, Lexus ECUs are encrypted and thus very little has been done with them. They are hard to interface with and there are no performance chips for the IS, you can run a SAFC or E-manage Ultimate to control air/fuel (more in the case of the EMU).
 
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