Diagnostic Procedure (2.5L)

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.

NOTE: For component inspection, see COMPONENT INSPECTION (2.5L) and for intermittents, see INTERMITTENTS in TROUBLE SHOOTING - NO CODES article.

For diagnostic procedure (2.5L), see Fig 1 and Fig 2 .

Fig 1: Identifying Diagnostic Procedure For DTC P0134: HO2S1 (Steps 1-3 Of 5 - 2.5L)

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

Fig 2: Identifying Diagnostic Procedure For DTC P0134: HO2S1 (Steps 4-5 Of 5 - 2.5L)

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