On Board Diagnosis Logic
WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
These self-diagnoses have the one trip detection logic.
Courtesy of NISSAN MOTOR CO., U.S.A.
DTC P1148 or P1168 is displayed with another DTC for air fuel ratio (A/F) sensor 1.
Perform the trouble diagnosis for the corresponding DTC.