Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0451 EVAP control system pressure sensor
Component Inspection

1.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

  1. Turn ignition switch OFF.
  2. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister.

    Always replace Oring 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 and ground under the following conditions. 

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 FL, "Removal and Installation".

    More about «P0451 EVAP control system pressure sensor»:

    DTC Logic

    Diagnosis Procedure

    Component Inspection

    Nissan Versa Sedan Service Manual / Engine / Engine control system (EC) / P0451 EVAP control system pressure sensor / Component Inspection

    Nissan Versa Sedan Service Manual

    Categories


    © 2017-2019 Copyright www.niveguide.com