Nissan GT-R (R35) · Service Manual ENGINE

P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR

VR38

P0452

Description


The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

PBIB3370E.JPG

DTC Logic

 
 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

Diagnosis Procedure


 
 1.CHECK GROUND CONNECTION
 
 2.CHECK CONNECTOR
 
 3.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR POWER SUPPLY CIRCUIT-I
 
 4.DETECT MALFUNCTIONING PART
 
 5.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
 
 6.DETECT MALFUNCTIONING PART
 
 7.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
 
 8.DETECT MALFUNCTIONING PART
 
 9.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
 
 10.CHECK INTERMITTENT INCIDENT

Component Inspection


 
 1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR