There is a diagram of all sensors that may help you. See Sources and Related Links, further down this page, for more information.
The MAP sensor is mounted at the rear of the left-bank (front) cylinder head.
On a 2005 Nissan Maxima where is the Camshaft Position Sensor (Bank 1) located?
If bank 1 and bank 2 sensor bad car won't start
where is bank one sensor 1 located on 2001 maxima Bank 1 sensor 1 is located at the upper front left hand side of the motor. My 01 20th anniversary edition has 4 sensors. Just recently replaced all 4.
Bank 2 Sensor 1 located downstream left front rear side.
stand up face to face in front of the engine ,your left side is Bank 1 (firewall) and the right side is Bank 2 (radiator side)
That code means catalyst system fault (left bank)
Check this site out, it shows you. http://www.nissanhelp.com/diy/maxima/projects/nissan_maxima_o2_sensor_identification.htm
Bank one is generally the cylinder number one side or drivers side on many cars, sensor 2 would be the rear, or post catalytic converter side of the bank 1 manifold.
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)