On Board Diagnosis Logic: Notes

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC P2138 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229.

Refer to DTC P1229 SENSOR POWER SUPPLY .

The self-diagnosis has one trip detection logic.

Fig 1: On Board Diagnosis Logic

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