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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0507 (Qr25DE) >> DTC P0456: EVAP Control System >> DTC Confirmation Procedure
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DTC Confirmation Procedure

NOTE:
  • If DTC P0456 is displayed with P0442, first perform trouble diagnosis for DTC P0456.
  • After repair, check that the hoses and clips are installed properly.

TESTING CONDITION: 

WITH CONSULT

  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT.
  2. Check that the following conditions are met.

    FUEL LEVEL SE: 0.25 - 1.4 V 

    COOLAN 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 refill/drain fuel until the output voltage 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 "EVP V/S LEAK P0456/P1456" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT.

    Follow the instruction displayed.

  6. Check that "OK" is displayed.

If "NG" is displayed, refer to "DIAGNOSIS PROCEDURE ".

NOTE: If the engine speed cannot be maintained within the range displayed on CONSULT screen, go to "BASIC INSPECTION ".