DTC DETECTION LOGIC

If DTC P0452 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
P0452
EVAP control system pressure sensor low input
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors
    (EVAP control system pressure sensor circuit is open or shorted.)
  • EVAP control system pressure sensor

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE