With CONSULT-II

WARNING: This page is about a different car, the 2005 Nissan Quest. 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.
If NG, replace EVAP canister vent control valve.

If OK, go to next step.
Reconnect all harness connectors disconnected.
Turn ignition switch ON.

Fig 1: Removing EVAP Canister Vent Control Valve
Courtesy of NISSAN MOTOR CO., U.S.A.
Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.

Fig 2: CONSULT-II Active Test Display
Courtesy of NISSAN MOTOR CO., U.S.A.

Check air passage continuity and operation delay time.

Make sure new O-ring is installed properly.

AIR PASSAGE CONTINUITY TABLE

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 M

Clean the air passage (Portion A to B ) of EVAP canister vent control valve using an air blower.
Perform step 6 again.