I know that ECM harness/connector is located somewhere to the right side of the gas pedal, but I still cannot find it. Cans someone plz help me find so i can troubleshoot the faulty Absolute Pressure Sensor.

Thanks.

 

passenger side footwell, left side, behind plastic piece

 

+1

 

Thanks, got it

Now, EC-282 says that i need to check voltage between terminals 61 and 25 ( I assume the harness has to be plugged in to the ECU for me to do that, right?

 

yes. Use multimeter and probe the harness though the rear. BooYaaaa.....

 

All of your questions like this can easily be found here.

Term 'ecu location':
http://forums.maxima.org/4th-generat...-location.html
http://forums.maxima.org/4th-generat...tion-were.html

Term 'where ecu':
http://forums.maxima.org/4th-generat...axima-ecu.html

...etc