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Exhaust System Component

WARNING: This page is about a different car, the 2017 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
G07051064Courtesy of NISSAN NORTH AMERICA, INC.
No. Component Function
WHITE-1 Air fuel ratio (A/F) sensor 1 (bank 2) AIR FUEL RATIO (A/F) SENSOR 1 
WHITE-2 Heated oxygen sensor 2 (bank 2) HEATED OXYGEN SENSOR 2 
WHITE-3 Heated oxygen sensor 2 (bank 1) HEATED OXYGEN SENSOR 2 
WHITE-4 Air fuel ratio (A/F) sensor 1 (bank 1) AIR FUEL RATIO (A/F) SENSOR 1