Component Inspection
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
HO2S1 Heater (2.5L)
For HO2S1 heater inspection (2.5L), see Fig 1.
Courtesy of NISSAN MOTOR CO., U.S.A.
HO2S1 Heater (3.5L)
For HO2S1 heater inspection (3.5L), see Fig 2.
Courtesy of NISSAN MOTOR CO., U.S.A.