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Home >> Nissan-Datsun >> 2013 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0451: EVAP Control System Pressure Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0451 EVAP SYS PRES SEN (Evaporative emission system pressure sensor/switch range/performance) ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

    [CKP sensor (POS) circuit is shorted.]

    (APP sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

    (Engine oil pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor
  • Engine oil pressure sensor
  • Sensor power supply 2 circuit