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Home >> Infiniti >> 2005 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System - VK45DE >> DTC P0452: EVAP Control System Pressure Sensor >> On Board Diagnosis Logic
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On Board Diagnosis Logic

NOTE: If DTC P0452 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to DTC P1229 SENSOR POWER SUPPLY  .
DTC DETECTING CONDITION AND POSSIBLE CAUSE CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0452 0452 EVAP control system pressure sensor low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • EVAP control system pressure sensor