EVAP Canister Vent Control Valve

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

With CONSULT-III

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.

Fig 1: Checking Portion B Of EVAP Canister Vent Control Valve
Courtesy of NISSAN MOTOR CO., U.S.A.
Reconnect all harness connectors disconnected.
Turn ignition switch ON.
Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.

Check air passage continuity and operation delay time.

Make sure new O-ring is installed properly .

AIR PASSAGE CONTINUITY REFERENCE

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.

Without CONSULT-III

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

Fig 2: Checking 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 REFERENCE

CONDITION	Air passage continuity between A and B
12V direct current supply between terminals 1 and 2	No
OFF	Yes

Fig 3: Checking Air Passage Continuity And Operation Delay Time Under Following Conditions

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

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.