Toyota ACIS is it good or bad?

[Setsuko37]

Im not very familiar with toyotas ACIS i know vvti and tvis and ttvis and all those rather well but i know very little about toyotas ACIS so cud sum1 plz tell me what it does and is it good or bad

 

[AJ'S 88NA]

It's a good thing. On a GE that is, there's a stickie in the GE section on it.