Any advice on fixing this issue? I already swapped out the fpcm with another one (my old one was rusty)...and problem returns. I also checked the droping resistor..im getting 1.9 ohms of resistance at the plug. Should be good?
is there any any ohm readings that i should get from the fpmc itself?

 

You can follow the service manual diagnostics and see what that gives you. The service manual does not mention any ohm values, just voltage values. The P1220 section starts on page 283 in the link below.

http://boredmder.com/FSMs/Nissan/Maxima/1997/EC.pdf