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Home >> Nissan-Datsun >> 2007 >> Altima Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS P0443 To P1217 - (Qr25DE) (For CALIFORNIA) >> P0451: EVAP Control System Pressure Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

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.)

    [Crankshaft position sensor (POS) circuit is shorted.]

    (Accelerator pedal position sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

    (Tumble control valve position sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor
  • Tumble control valve position sensor