DTC P0451 EVAP Emission System-Pressure Sensor Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition & Fail Safe	Possible Cause
DTC Strategy	Plausibility check signal stuck	Contact resistance in connectors Faulty FTPS
Enable Conditions	Vehicle speed > 45km/h (28mph) Canister Purge Flow variation within 13 sec. > 1 kg/h Minimum Tank Pressure Signal Voltage > 0.32V Ambient air temperature model > -10°C (14°F) No relevant failure 11V < Battery voltage < 16V
Threshold Value	Signal variation < 15mV
Diagnostic Time	65 sec.
Fail Safe	EVAP System monitoring is inhibited Fuel Tank Pressure Sensor monitoring is inhibited Canister close valve monitoring is inhibited
Mil On Condition	2 Driving Cycles