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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - QG18DE) >> DTC P0452: EVAP Control System Pressure Sensor >> Component Inspection >> EVAP Control System Pressure Sensor
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EVAP Control System Pressure Sensor

WARNING: This page is about a different variant/trim than selected.
  1. Remove EVAP control system pressure sensor with its harness connector connected.
  2. Remove EVAP control system pressure sensor from EVAP canister.

    Do not reuse the O-ring, replace it 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 terminal 32 and ground under the following conditions.
    Fig 1: Output Voltage Between ECM Terminal 32 And Ground Conditions Chart
    G00773666Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Output Voltage Between ECM Terminal 32 And Ground
    G00773667Courtesy of NISSAN MOTOR CO., U.S.A.
    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).
  5. If NG, replace EVAP control system pressure sensor.