Possible Causes

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction is detected when vacuum cut valve by-pass valve does not operate properly. Possible causes are:

Defective vacuum cut valve by-pass valve.
Defective vacuum cut valve.
Blockage in by-pass hoses.
Fault in EVAP Control System Pressure Sensor (EVAP-CSPS) or circuit.
Defective EVAP Canister Vent Control Valve (EVAP-CVCV).
Blockage in hose between fuel tank and vacuum cut valve.
Blockage in hose between EVAP canister and vacuum cut valve.
Defective EVAP canister.
Blockage in fuel tank purge port.