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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Periodic Maintenance >> EVAP Leak Check >> Inspection >> Without Consult
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Without Consult

  1. To locate the EVAP leak, install EVAP service port adapter and pressure pump to EVAP service port.
    2. Fig 1: Installing EVAP Service Port Adapter And Pressure Pump
    G08649291Courtesy of NISSAN NORTH AMERICA, INC.
  2. Apply battery voltage between the terminals of EVAP canister vent control valve to make a closed EVAP system.
  3. To locate the leak, deliver positive pressure to the EVAP system until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to 0.028 kg/cm2 , 0.2 to 0.4 psi).
  4. Remove EVAP service port adapter and hose with pressure pump.
  5. Locate the leak using a leak detector. Refer to "EVAPORATIVE EMISSION SYSTEM: SYSTEM DIAGRAM ".
    Fig 2: Identifying EVAP Leak Detector
    G08649292Courtesy of NISSAN NORTH AMERICA, INC.
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