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P0456 EVAP CONTROL SYSTEM EC-337 < COMPONENT DIAGNOSIS > [QR25DE FOR CALIFORNIA] C D E F G H I J K L M A EC N P O DTC CONFIRMATION PROCEDURE 1. INSPECTION START Do you have CONSULT-III? 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: • If DTC P0456 is displayed with P0442, first perform trouble diagnosis for DTC P0456. • After repair, make sure that the hoses and clips are installed properly. • Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve properly. TESTING CONDITION: • Open engine hood before conducting 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 parts is/are removed. • Before performing the following procedure, confirm that battery voltage is more than 11V 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 - 1.4V 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 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-III. Follow the instruction displayed. NOTE: If the engine speed cannot be maintained within the range displayed on CONSULT-III screen, go to EC-24, "BASIC INSPECTION : Special Repair Requirement" . Which is displayed on CONSULT-III? OK >> INSPECTION END NG >> Go to 4. PERFORM COMPONENT FUNCTION CHECK Perform component function check. Refer to EC-338, "Component Function Check" . NOTE: Use component function check to check the overall function of the EVAP very small leak function. During this check, a 1st trip DTC might not be confirmed. YES >> INSPECTION END NO >> Go to |