Overall Function Check

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

Fig 1: Checking The Overall Function Of The EVAP Canister Vent Control Valve

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

WITH GST 

1. Disconnect hose from water separator.
2. Disconnect EVAP canister vent control valve harness connector.
3. Verify the following.
   Fig 2: Checking Air Passage Continuity Based On Conditions

   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 EVAP CONTROL SYSTEM  .