The On-board computer for "SHevrolet-Lachetti" 1,6

[Evgeniy]

How do you do writes Evgeniy from Donecka ,Ukraine.Help to find the on-board computer for "SHevrolet -Lachetti" 1,6 litres sedan.It As far as i know is there installed by kontroller"Simens D4".My E-mail:reutov69@list.ru