On Board Diagnosis Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC P0453 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC CONFIRMATION PROCEDURE ".

DTC No.	Trouble diagnosis name	DTC detecting condition	Possible cause
P0453 0453	EVAP control system pressure sensor high input	An excessively high voltage from the sensor is sent to ECM.	Harness or connectors (The sensor circuit is open or shorted.) EVAP control system pressure sensor EVAP canister vent control valve EVAP canister Drain filter Rubber hose from EVAP canister vent control valve to drain filter