On Board Diagnosis Logic

NOTE: If DTC P0462 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE .

This diagnosis indicates the former, to detect open or short circuit malfunction.

Fig 1: DTC P0462, P0463 Fuel Level Sensor Circuit - On Board Diagnosis Logic

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