Without CONSULT-II

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Remove EVAP canister vent control valve from EVAP canister.
Check portion B of EVAP canister vent control valve for being rusted.

Fig 1: Locating Portion B Of EVAP Canister Vent Control Valve
Courtesy of NISSAN MOTOR CO., U.S.A.

Check air passage continuity and operation delay time under the following conditions.

Make sure new O-ring is installed properly.

AIR PASSAGE CONTINUITY CONDITION

Condition	Air passage continuity between A and B
12V direct current supply between terminals 1 and 2	NO
OFF	Yes
Operation takes less than 1 second.

If NG, replace EVAP canister vent control valve.

If OK, go to next step.

Clean the air passage (portion A to B ) of EVAP canister vent control valve using an air blower.
Perform step 3 again.

Fig 2: Checking Air Passage Continuity & Operation Delay Time

Courtesy of NISSAN MOTOR CO., U.S.A.