Component Inspection

1. Turn ignition switch OFF.
2. Remove EVAP canister vent control valve from EVAP canister. Refer to "VQ35HR: REMOVAL AND INSTALLATION ".
3. Check portion (A) of EVAP canister vent control valve for rust.

   Is it rusted? 

   YES: Replace EVAP canister vent control valve. Refer to "VQ35HR: REMOVAL AND INSTALLATION ".

   NO: GO TO 2.

   Fig 1: Identifying Rusted Portion Of EVAP Canister Vent Control Valve

   Courtesy of NISSAN NORTH AMERICA, INC.

With CONSULT 

1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
4. Check air passage continuity and operation delay time.

   Check that new O-ring is installed properly. 

   Condition (VENT CONTROL/V)	Air passage continuity between (A) and (B)
   ON	Not existed
   OFF	Existed

   Fig 2: Identifying EVAP Canister Vent Control Valve Ports

   Courtesy of NISSAN NORTH AMERICA, INC.

   Operation takes less than 1 second. 

Without CONSULT 

1. Disconnect EVAP canister vent control valve harness connector.
2. Check air passage continuity and operation delay time as per the following conditions:

   Check that new O-ring is installed properly. 

   Condition	Air passage continuity between (A) and (B)
   12 V direct current supply between terminals 1 and 2	Not existed
   OFF	Existed

   Operation takes less than 1 second. 

   Is the inspection result normal? 

   YES: INSPECTION END

   NO: GO TO 3.

With CONSULT 

1. Clean the air passage [portion (A) to (B)] of EVAP canister vent control valve using an air blower.
2. Perform "VENT CONTROL/V" in "ACTIVE TEST" mode.
3. Check air passage continuity and operation delay time.

   Check that new O-ring is installed properly. 

   Condition (VENT CONTROL/V)	Air passage continuity between (A) and (B)
   ON	Not existed
   OFF	Existed

Operation takes less than 1 second. 

Without CONSULT 

1. Clean the air passage [portion (A) to (B)] of EVAP canister vent control valve using an air blower.
2. Check air passage continuity and operation delay time as per the following conditions:

   Check that new O-ring is installed properly. 

   Fig 3: Identifying EVAP Canister Vent Control Valve Ports

   Courtesy of NISSAN NORTH AMERICA, INC.

   Condition	Air passage continuity between (A) and (B)
   12 V direct current supply between terminals 1 and 2	Not existed
   OFF	Existed

   Operation takes less than 1 second. 

   Is the inspection result normal? 

   YES: INSPECTION END

   NO: Replace EVAP canister vent control valve. Refer to "VQ35HR: REMOVAL AND INSTALLATION ".