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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0441: EVAP Control System >> Diagnostic Procedure >> 5. Check EVAP Purge Hose And Purge Port
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5. Check EVAP Purge Hose And Purge Port

  1. Disconnect purge hoses connected to EVAP service port A and EVAP canister purge volume control solenoid valve B .
  2. Blow air into each hose and EVAP purge port C.
    Fig 1: Locating Purge Port C
    G00760914Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check that air flows freely.

OK or NG 

OK (With CONSULT-II): GO TO 6.

OK (Without CONSULT-II): GO TO 7. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE .

NG : Repair or clean hoses and/or purge port.