DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTING CONDITION CHART

DTC detecting condition	Trouble area
P0449: Evaporative Emission System Vent Valve/Solenoid Circuit This DTC is detected if any one of the following conditions is met. Output voltage of EVAP vent valve drive circuit is lower than 3 V for 5 sec. when vent valve is OFF (OPEN). Electric current of EVAP vent valve drive circuit is higher than 1.5 A for 5 sec. even if vent valve is ON (CLOSE). (2 D/C detection logic)	EVAP vent valve and/or its circuit ECM