DTC P0452: EVAP Emission System - Pressure Sensor Low Input: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Output voltage of tank pressure sensor is monitored	Poor connection Open or short to ground in FTPS circuit Defective FTPS Defective ECM
Enable Conditions	Intake air temp. at start > 5°C (41°F) Load value = 25~70% Engine speed > 1438 rpm Vehicle speed is greater than or equal to 18.64 mph
Threshold value	PCSV duty = 0%, Sensor output voltage < 1.0V and time that above 2 conditions are fulfilled is greater than or equal to 10 sec.
Diagnosis Time	Continuous
MIL On Condition	2 driving cycles