On Board Diagnosis Logic

This self-diagnosis has the one trip detection logic.

The MIL will not light up for this diagnosis.

NOTE:

If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE .
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer to DTC P0500 VSS .
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to DTC P0605 ECM .

Fig 1: DTC P1574 - On Board Diagnosis Logic

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