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.
Reconnect harness connectors disconnected.
Turn ignition switch ON.

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

Operation takes less than 1 second .

Fig 3: Checking Air Passage Continuity And Operation Delay Time

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

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.