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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0453 EVAP Control System Pressure Sensor >> Component Inspection >> EVAP Control System Pressure Sensor

EVAP Control System Pressure Sensor

  1. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.

    Always replace "O" ring with a new one  .

  2. CAUTION:
    • Always calibrate the vacuum pump gauge when using it.
    • Do not apply below -93.3 kPa (-700 mmHg, -27.56 inHg) or pressure over 101.3 kPa (760 mmHg, 29.92 inHg).
  3. Install a vacuum pump to EVAP control system pressure sensor. See Figure .
  4. Turn ignition switch ON and check output voltage between ECM terminal 32 and ground under the following conditions. See Figure .
  5. If NG, replace EVAP control system pressure sensor.