Diagnostic Procedure
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For fuel tank vacuum relief valve, see COMPONENT INSPECTION under DTC P0442: EVAP CONTROL SYSTEM, for DTC confirmation procedure for DTC P1448, see DTC CONFIRMATION PROCEDURE under DTC P1448: EVAP CANISTER VENT CONTROL VALVE, for EVAP canister purge volume control solenoid valve component inspection, see COMPONENT INSPECTION under DTC P0444 OR DTC P0445: EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE, for fuel tank temperature sensor component inspection, see COMPONENT INSPECTION under DTC P0181: FUEL TANK TEMPERATURE SENSOR, for refueling control valve component inspection, see REFUELING CONTROL VALVE
under ON BOARD REFUELING VAPOR RECOVERY SYSTEM in SYSTEM & COMPONENT TESTING article, for EVAP control system pressure sensor component inspection, see COMPONENT INSPECTION (2.5L) or COMPONENT INSPECTION (3.5L)
under DTC P0453: EVAP CONTROL SYSTEM PRESSURE SENSOR and for intermittents, see INTERMITTENTS in TROUBLE SHOOTING - NO CODES
article.
For diagnostic procedure, see Fig 1-Fig 6 .