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Home >> Nissan-Datsun >> 2010 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0181 To P0607 >> P0455 EVAP Control System >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK FUEL FILLER CAP DESIGN
    1. Turn ignition switch OFF.
    2. Check for genuine NISSAN fuel filler cap design.
      Fig 1: Identifying Nissan Fuel Filler Cap
      G04875212Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Replace with genuine NISSAN fuel filler cap.

  2. CHECK FUEL FILLER CAP INSTALLATION

    Check that the cap is tightened properly by rotating the cap clockwise.

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Open fuel filler cap, then clean cap and fuel filler neck threads using air blower. Then retighten until ratcheting sound is heard.

  3. CHECK FUEL FILLER CAP FUNCTION

    Check for air releasing sound while opening the fuel filler cap.

    Is the inspection result normal? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. CHECK FUEL TANK VACUUM RELIEF VALVE

    Refer to "COMPONENT INSPECTION (FUEL FILLER CAP) ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace fuel filler cap with a genuine one.

  5. CHECK EVAP PURGE LINE

    Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks, improper connection or disconnection.

    Refer to "SYSTEM DESCRIPTION ".

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Repair or reconnect the hose.

  6. CLEAN EVAP PURGE LINE

    Clean EVAP purge line (pipe and rubber tube) using air blower.

    GO TO 7.

  7. CHECK DRAIN FILTER

    Refer to "COMPONENT INSPECTION (DRAIN FILTER) ".

    Is the inspection result normal? 

    YES: GO TO 8.

    NO: Replace drain filter.

  8. CHECK EVAP CANISTER VENT CONTROL VALVE

    Check the following.

    • EVAP canister vent control valve is installed properly.

      Refer to "EXPLODED VIEW ".

    • EVAP canister vent control valve.

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 9.

    NO: Repair or replace EVAP canister vent control valve and O-ring.

  9. CHECK FOR EVAP LEAK

    Refer to "INSPECTION ".

    Is there any leak in EVAP line? 

    YES: Repair or replace.

    NO-1: With CONSULT-III: GO TO 10.

    NO-2: Without CONSULT-III: GO TO  11.

  10. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

    With CONSULT-III 

    1. Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.
    2. Start engine.
    3. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode.
    4. Touch "Qu" on CONSULT-III screen to increase "PURG VOL C/V" opening to 100%.
    5. Check vacuum hose for vacuum.

    Vacuum should exist. 

    Is the inspection result normal? 

    YES: GO TO  13.

    NO: GO TO  12.

  11. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

    Without CONSULT-III 

    1. Start engine and warm it up to normal operating temperature.
    2. Stop engine.
    3. Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.
    4. Start engine and let it idle for at least 80 seconds.
    5. Check vacuum hose for vacuum when revving engine up to 2, 000 RPM.

    Vacuum should exist. 

    Is the inspection result normal? 

    YES: GO TO  14.

    NO: GO TO 12.

  12. CHECK VACUUM HOSE

    Check vacuum hoses for clogging or disconnection. Refer to "SYSTEM DESCRIPTION ".

    Is the inspection result normal? 

    YES-1: With CONSULT-III: GO TO 13.

    YES-2: Without CONSULT-III: GO TO  14.

    NO: Repair or reconnect the hose.

  13. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

    With CONSULT-III 

    1. Start engine.
    2. Perform "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT-III. Check that engine speed varies according to the valve opening.

    Does engine speed vary according to the valve opening? 

    YES: GO TO  15.

    NO: GO TO 14.

  14. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 15.

    NO: Replace EVAP canister purge volume control solenoid valve.

  15. CHECK FUEL TANK TEMPERATURE SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 16.

    NO: Replace fuel level sensor unit.

  16. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 17.

    NO: Replace EVAP control system pressure sensor.

  17. CHECK EVAP/ORVR LINE

    Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kink, looseness and improper connection. For location, refer to "DESCRIPTION ".

    Is the inspection result normal? 

    YES: GO TO 18.

    NO: Repair or replace hoses and tubes.

  18. CHECK RECIRCULATION LINE

    Check recirculation line between fuel filler tube and fuel tank for clogging, kink, cracks, looseness and improper connection.

    Is the inspection result normal? 

    YES: GO TO 19.

    NO: Repair or replace hose, tube or fuel filler tube.

  19. CHECK REFUELING EVAP VAPOR CUT VALVE

    Refer to "COMPONENT INSPECTION (REFUELING EVAP VAPOR CUT VALVE) ".

    Is the inspection result normal? 

    YES: GO TO 20.

    NO: Replace refueling EVAP vapor cut valve with fuel tank.

  20. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    INSPECTION END

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