Bank 2 Sensor 1 located downstream left front rear side.
On a 2005 Nissan Maxima where is the Camshaft Position Sensor (Bank 1) located?
bank 2 sensor 2 front bank after the cat
If bank 1 and bank 2 sensor bad car won't start
The MAP sensor is mounted at the rear of the left-bank (front) cylinder head.
Check this site out, it shows you. http://www.nissanhelp.com/diy/maxima/projects/nissan_maxima_o2_sensor_identification.htm
bank one is drivers side, sensor 2 is rear O2 sensor(oxygen sensors are screwed into exhaust pipes)
1997 Nissan maxima which side of engine is right bank
Trouble code P0135 means:O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
Bank 2, Sensor 1 is located on the front of the engine(radiator side), before the first catalytic converter.
Trouble code P0153 means:O2 sensor circuit slow responce (bank 2 sensor 1)
Trouble code P0163 means:O2 sensor circuit low voltage (bank 2 sensor 3)
Answer I found this great site about Nissan O2 and its location to fix with diagrams!