With GST

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

Fig 1: Air Passage Continuity Inspection Chart

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

Fig 2: 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, perform trouble diagnosis for DTC P0442. Refer to DIAGNOSTIC PROCEDURE .