So far we've been able to figure out the most we need to install a GReddy E-manage Ultimate
The only thing were missing is the RPM pin, Throttle sensor, and Speed sensor
I'm not from Australia but I've heard that the Impreza there and here in the Philippines are the same, with an EJ204 engine (according to the user's manual)
Pics of the ECU:



Located under the floor mat of the front passenger
If anyone can confirm that it is the same? Thank You
Also because I think it'll be hard to get a complete diagram of this ecu maybe you guys can tell me a way on how to find the the certain pins we need to get the job done

If someone can help us. THANK YOU. I'll make a write up of the whole think once were done to help those that maybe thinking about installing a piggy