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Home › Infiniti › 2013 › FX50 › Repair and Diagnosis › External Pages › Different car › Section 12 (Engine Control System - DTCS P0222 To P1088) › DTC P0453: EVAP Control System Pressure Sensor › Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2013 Infiniti FX37. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 
    1. Turn ignition switch OFF.
    2. Remove EVAP control system pressure sensor with its harness connector.

      Always replace O-ring with a new one. 

    3. Install a vacuum pump to EVAP control system pressure sensor.
    4. Turn ignition switch ON and check output voltage between ECM harness connector terminals under the following conditions.
      ECM Condition [Applied vacuum kPa (kg/cm2 , psi)] Voltage (V)
      Connector + -
      Terminal Terminal
      M164 102 112 Not applied 1.8 - 4.8
      -26.7 (-0.272, -3.87) 2.1 to 2.5 lower than above value
      CAUTION:
      • Always calibrate the vacuum pump gauge when using it.
      • Do not apply below -93.3 kPa (-0.952 kg/cm2 , -13.53 psi) or pressure over 101.3 kPa (1.033 kg/cm2 , 14.69 psi).

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace EVAP control system pressure sensor. Refer to "VQ37VHR: EXPLODED VIEW ".

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