DTC Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect rubber tube connected to EVAP canister vent control valve.
3. Check the rubber tube for clogging.

Is the inspection result normal?

YES

GO TO 2.

NO

Clean rubber tube using an air blower.

Refer to Component Inspection (EVAP Canister Vent Control Valve) .

Is the inspection result normal?

YES

GO TO 3.

NO

Replace EVAP canister vent control valve. Refer to Removal and Installation .

1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.
2. Check if water will drain from the EVAP canister (1).

   Courtesy of NISSAN NORTH AMERICA, INC.

   2	: EVAP canister vent control valve

Does water drain from EVAP canister?

YES

GO TO 4.

NO

GO TO 6.

Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.

The weight should be less than 2.5 kg (5.5 lb).

Is the inspection result normal?

YES

GO TO 6.

NO

GO TO 5.

Check the following.

• EVAP canister for damage
• EVAP hose between EVAP canister and vehicle frame for clogging or poor connection

Repair hose or replace EVAP canister. Refer to Removal and Installation .

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check that water is not inside connectors.

Is the inspection result normal?

YES

GO TO 7.

NO

Replace EVAP control system pressure sensor. Refer to Removal and Installation .

Refer to Component Inspection (EVAP Control System Pressure Sensor) .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace EVAP control system pressure sensor. Refer to Removal and Installation .