Well i have a friend that has a Toyota and Honda services center he was the on that made the installation,many peoples had come with different theory's the first is that the sensor ecu from the Is200 is working side by side with the 2jz ecu and that could be a conflict but it must work like this because the 2jz ecu just do the engine work, now the other theory is that everybody knows 2jz comes with a lower differential than the IS 200 the other conflict could be that the speed sensor its not recognizing actual speed so its very confusing(thanks for the greeting and its so cool that you had been over my country i lived in Santiago which is the sencond largest city on the country , i will put more pics from the installation and the car )i did upgraded the intercooler because the one that its on the pic it was from the evo 6 that i had)