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Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0463 >> DTC P0452: EVAP Control System Pressure Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0452 EVAP SYS PRES SEN (EVAP control system pressure sensor low input) An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (EVAP control system pressure sensor circuit is open or shorted.) (Sensor power supply 2 circuit is open or shorted.)
  • EVAP control system pressure sensor
  • Each sensor, connected with sensor power supply 2 circuit