DTC DETECTION LOGIC

If DTC P0451 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0451
EVAP control system pressure sensor performance
ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors
    (EVAP control system pressure sensor circuit is shorted.)
  • EVAP control system pressure sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE