Unfortunately, we don't have a manual on this ECM. Basically, it was not offered here in the USA so the closest we have is the 5S-FE which is going to be slightly different.
However, if you need it this info will help with testing the wiring:
I attached the info below so I understand this is not exactly what you are looking for so I am sorry if it doesn't help but it may be useful to others in the future that have this engine.
Images (Click to enlarge)
Sunday, February 13th, 2022 AT 12:10 PM