FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0451 EVAP SYS PRES SEN (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 circuit is open or shorted.)

    [Camshaft position sensor (bank 1) circuit is shorted.]

    (Accelerator pedal position sensor 2 circuit is shorted.)

    (Battery current sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor
  • Camshaft position sensor (bank 1)
  • Accelerator pedal position sensor 2
  • Battery current sensor
  • Refrigerant pressure sensor