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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0456: EVAP Control System >> Diagnostic Procedure >> 6. Check For EVAP Leak

6. Check For EVAP Leak

With CONSULT-II 

  1. Turn ignition switch ON.
  2. Select "EVAP SYSTEM CLOSE" of "WORK SUPPORT" mode with CONSULT-II.
    Fig 1: Checking For EVAP Leak With CONSULT-II Using Bar Graph
    G00761012Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Touch "START' and apply pressure into the EVAP line until the pressure indicator reaches the middle of the bar graph.
    NOTE:
    • Never use compressed air or a high pressure pump.
    • Do not exceed 4.12 kPa (0.042 kg/cm2 , 0.6 psi) of pressure in the system.
  4. Using EVAP leak detector, locate the EVAP leak. For the leak detector, refer to the instruction manual for more details.

    Refer to EVAPORATIVE EMISSION LINE DIAGRAM  .

OK or NG 

OK : GO TO 8.

NG : Repair or replace.