oil_in_the_blood

Hi All, Was sent here from reddit to ask some more specific questions. So I've got my eye on an 02 pathfinder LE, drives fantastic, shifts awesome. No milkshake, next to no rust etc etc. Only issue, ABS light is on. Now I tested the 4wd as much as possible (it's the push button one on the dash.) Would go into 4lo, and I could feel the difference in 4hi in the steering. So i'm ok with buying a vehicle that will not have functioning ABS for a couple of months as I track down and fix the issues with the system, I just want to be 100% sure that the only function affected will be the ABS and not anything else (i.e. it would effectively be a pathfinder without ABS.) I want to be sure that it will not affect the way the transmission shifts, or the way the 4WD works in any mode. Can anyone confirm this for me? Thanks for taking the time to read this.