P1051 Nissan Path finder A/F SEN1 HTR(B2)

Question

i check the vehicle with launch X431IV P1051 A/F SEN1 HTR (B2) please give me location please

Answer 1

bank 2 sensor 1 will on on the driver side exhaust manifold

see picture below 

Comments

Replaced the a/f sensor on B2 but still giving me the error and after cancelling the engine management light it comes back on when you re-start the vehicle. 2007 Pathfinder 4.0 petrol. Please advise