EVAP Control System Pressure Sensor

2012 Nissan-Datsun Xterra S, 4WD, Automatic TransSECTION 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.Β 

  2. Install a vacuum pump to EVAP control system pressure sensor.
  3. Turn ignition switch ON and check output voltage between ECM terminal 32 and ground under the following conditions.
    Applied vacuum kPa (kg/cm2 , psi) Voltage V
    Not applied 1.8 - 4.8
    -26.7 (-0.272, -3.87) 2.1 to 2.5V lower than above value
    Fig 1: Checking Output Voltage Between ECM Terminal 32 And Ground
    G04900507Courtesy of NISSAN NORTH AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

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

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