CHAZegHATCH

ok i just swaped in a jdm h22 in my 92 cx and the only code it throws is 3 which is a map code on both a p13 and p28 there are there wires 1=5v 2=ground 3=3.7v the third wire is the signal wire and it is supost to have aprox 3v i one of the three was fucked up so i ran wires directly from the ecu and still know change is that even posidle becouse i know both the map sencor and the ecus are good where did i go roung eneyone?

i need help