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HOMESERVICE MANUALSNISSAN-DATSUN2015JUKE SL, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (EXCEPT NISMO RS - DTC TESTS P0138-P046E)DTC/CIRCUIT DIAGNOSISDTC P0451: EVAP CONTROL SYSTEM PRESSURE SENSORCOMPONENT INSPECTIONDIAGNOSTIC TEST
2015 Nissan-Datsun Juke SL, 4WD

Diagnostic Test

2015 Nissan-Datsun Juke SL, 4WDSECTION Diagnostic Test

  1. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

    1. Turn ignition switch OFF.
    2. Remove EVAP control system pressure sensor with its harness connector. Refer to REMOVAL AND INSTALLATION (2WD), REMOVAL AND INSTALLATION (AWD).

      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 terminals under the following conditions.
      ECM Applied vacuum kPa
      (kg/cm2 , psi)      		 Voltage
      Connector + -
      Terminal Terminal
      E19 121 148 Not applied 1.8 - 4.8 V
      -26.7 (-0.272, -3.87) 2.1 to 2.5 V lower than above value
      CAUTION:
      • Always calibrate the vacuum pump gauge when using it.
      • Never 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 REMOVAL AND INSTALLATION (2WD), REMOVAL AND INSTALLATION (AWD).

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.