On Board Diagnosis Logic: Notes

WARNING: This page is about a different car, the 2005 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

These self-diagnoses have the one trip detection logic.

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 Detecting Condition And Possible Cause Chart

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