I would do it like this according to the instructions. If it has an off or on choice.........
1-----2-----3-----4------5-----6-----7------8---
off--off-----on----off----on----on----on-----on
It saids to leave four off unless you have the greddy profec b
That's what I got from reading the instructions. I'm not a toyota mechanic nor do I play one on T.V.........I'm just trying to help.