LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Control System - DTC) >> DTC P0456: EVAP Control System >> DTC Confirmation Procedure >> With CONSULT-II
April 5, 2026: LEMON Manuals is launched! Read the announcement.

With CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  2. Make sure the following conditions are met.
    1. FUEL LEVEL SE: 0.25 - 1.4V 
    2. COOLAN TEMP/S: 0 - 32°C (32 - 90°F) 
    3. FUEL T/TMP SE: 0 - 35°C (32 - 95°F) 
    4. 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: CONSULT-II Display Screens
    G00874756Courtesy 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.