DTC DETECTION LOGIC

NOTE:
  • If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
  • If DTC P0462 or P0463 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to DTC Logic (GT-R certified NISSAN dealer).

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

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0462
Fuel level sensor circuit low input
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The CAN communication line is open or shorted)
  • Harness or connectors
    (The sensor circuit is open or shorted)
  • Combination meter
  • Fuel level sensor
P0463
Fuel level sensor circuit high input
An excessively high voltage from the sensor is sent to ECM.

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE