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Home >> Infiniti >> 2013 >> M35h >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Engine Control System - DTCS P0171 To P0463) >> DTC P0451: EVAP Control System Pressure Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
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.) (Sensor power supply 2 circuit is open or shorted.)
  • EVAP control system pressure sensor
  • Each sensor, connected with sensor power supply 2 circuit