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P0456 EVAP CONTROL SYSTEM EC-1353 < COMPONENT DIAGNOSIS > [VQ35DE] C D E F G H I J K L M A EC N P O • Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate. • If the fuel filler cap is not tightened properly, the MIL may illuminate. • Use only a genuine NISSAN rubber tube as a replacement. DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- ing the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. YES >> GO TO 2. NO >> GO TO 4. 2. PRECONDITIONING If DTC CONFIRMATION PROCEDURE has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. NOTE: • After repair, make sure that the hoses and clips are installed properly. • Check that EVAP hoses are connected to EVAP canister purge volume control solenoid valve prop- erly. TESTING CONDITION: • Open engine hood before conducting the following procedure. • If any of following conditions are met just before the DTC CONFIRMATION PROCEDURE, leave the vehicle for more than 1 hour. - Fuel filler cap is removed. - Fuel is refilled or drained. - EVAP component part/parts is/are removed. • Before performing the following procedure, confirm that battery voltage is more than 11 V at idle. >> GO TO 3. 3. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT-III 1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III. 2. Make sure 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 LEAKAGE P0456/P1456” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode with CONSULT-III. Follow the instructions displayed. NOTE: If the engine speed cannot be maintained within the range displayed on CONSULT-III screen, go to EC-1048, "BASIC INSPECTION : Special Repair Requirement" . Which is displayed on CONSULT-III? OK >> INSPECTION END NG >> Go to EC-1354, "Diagnosis Procedure" 4. PERFORM COMPONENT FUNCTION CHECK Perform Component Function Check. Refer to EC-1354, "Component Function Check" . |