O2 sensor location

I have a 03 nissan pathfinder SE 2whl drive…i would like to know what side is my O-2 sensor (bank 1 sensor 1) on…right or left. thank you

It’s on the right bank of the engine.

Tester

Does right bank mean drivers side or passengers side?

When you look head-on at the fan belt, the right bank is on the left.