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.

HO2S2 Heater (2.5L)

For HO2S2 heater inspection (2.5L), see Fig 1.

Fig 1: Inspecting DTC P0037 Or DTC P0038: HO2S2 Heater (2.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.

HO2S2 Heater (3.5L)

For HO2S2 heater inspection (3.5L), see Fig 2.

Fig 2: Inspecting DTC P0037, P0038, P0057 Or P0058: HO2S2 Heater (3.5L)

Courtesy of NISSAN MOTOR CO., U.S.A.