With CONSULT-II

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. 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 of B EVAP canister vent control valve for being rusted.
If NG, replace EVAP canister vent control valve.

Fig 1: Checking Portion B Of EVAP Canister Vent Control Valve
Courtesy of NISSAN NORTH AMERICA, INC.

If OK, go to next step.
Reconnect harness connectors disconnected.
Turn ignition switch ON.
Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.

Fig 2: Identifying CONSULT-II Display - ACTIVE TEST
Courtesy of NISSAN NORTH AMERICA, INC.

Check air passage continuity and operation delay time.

Make sure new O-ring is installed properly.

CONTINUITY REFERENCE CHART

Condition VENT CONTROL/V	Air passage continuity between (A) and (B)
ON	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 6 again.