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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0456 EVAP Control System >> DTC confirmation procedure >> Testing Condition
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Testing Condition

With CONSULT-II 

  1. Turn ignition switch ON and select DATA MONITOR mode with CONSULT-II.
  2. Make sure the following conditions are met.

    FUEL LEVEL SE: 0.25 - 1.4V 

    COOLANT TEMP/S: 0 - 32° C (32 - 90° F) 

    FUEL T/TMP SE: 0 - 35° C (32 - 95° F) 

    INT A/TEMP SE: More than 0° C (32° F) 

    If NG, turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle) or refilling/draining fuel until the output voltage condition of the FUEL LEVEL SE meets within the range above and leave the vehicle for more than 1 hour. Then start from step 1).

  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Turn ignition switch ON.
  5. Select EVAP V/S LEAK P0456/P1456 of EVAPORATIVE SYSTEM in DTC WORK SUPPORT mode with CONSULT-II.

    Follow the instruction displayed.

    Fig 1: Using CONSULT-II To Test For EVAP V/S Leaks
    G00345048Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Make sure that OK is displayed.

    If NG is displayed, Refer to DIAGNOSTIC PROCEDURE  .

    NOTE:
    • If the engine speed cannot be maintained within the range displayed on CONSULT-II screen, go to BASIC INSPECTION  .
    • Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly.