pinouts for safc install
 

I am trying to install a safcII into a 91 240. I've found instructions to install it into a sohc and I've found instructions to install a safcI into a dohc, but all I can find is what pinouts on the computer to use. IE pin 39 is the ground, 27 is the knock sensor, 20 is the TPS, but what do those numbers mean? What way do you count from?
The apexi site DOES NOT have a diagram for a KA24DE. I've heard that the SR20 or RB25 diagram works, but neither do.
Can anyone please post how to wire this thing :confused:
I searched every nissan site that I can find.
Any help would be great :)

hey brother... i was having the same problem that you have on my 95.... apexi doesn't like america i guess. good thing my roommate just picked up a e-manage for his mitsu. They do have the diagram and key for all ka's. It made things SO much easier. I'd go to their website and get the PDF, and GOOD LUCK.