On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic.

NOTE: If DTC P2122 or P2123 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229.
Refer to DTC P1229 SENSOR POWER SUPPLY .

Fig 1: DTC P2122 And P2123 Problem Symptom Chart

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