Overall Function Check

Use this procedure to check the overall function of the EVAP canister vent control valve circuit. During this check, a 1st trip DTC might not be confirmed.

With GST 

1. Disconnect hose from water separator.
2. Disconnect EVAP canister vent control valve harness connector.
3. Verify the following.
   Fig 1: Checking EVAP canister vent control valve

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

   If the result is NG, go to DIAGNOSTIC PROCEDURE  .

   If the result is OK, go to "Diagnostic Procedure" for DTC P0442, DIAGNOSTIC PROCEDURE  .