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 part is/are removed .
Before performing the following procedure, confirm that battery voltage is more than 11V at idle .

With CONSULT-II

Turn ignition switch ON and select DATA MONITOR mode with CONSULT-II.
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).
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Select EVAP V/S LEAK P0456/P1456 of EVAPORATIVE SYSTEM in DTC WORK SUPPORT mode with CONSULT-II
Follow the instruction displayed.

Fig 1: Evaporative System In DTC Work Support Display
Courtesy of NISSAN MOTOR CO., U.S.A.
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 .

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Testing Condition