were is the oil pressue sending unit located at on a 2005 nissan xterra? on 2005 Nissan Xterra

the pressure gauge started to read high and I was told that it was the sending unit, but i cant locate it on the vehicle.

Asked by for the 2005 Nissan Xterra
1 answer
My illustration is poor it appears to be in the upper part of the oil pan toward the front of the engine