P0451

System/Component
EVAP System Pressure Sensor

Fault Code
P0451

Fault Type
Plausibility No
Signal Yes
Minimum Threshold Yes
Maximum Threshold Yes

Monitoring Method
Voltage range check

Signal Type
Non-pulsating signal

Operating Range
0 - 5V

Time Length and Frequency for Monitoring/Diagnosis
1 sec/permanent and 0.25 sec/during EVAP system check

Criteria for storing fault code
fault during 2 trips

Criteria for illuminating the MIL
fault during 2 trips and end of 2nd trip

Criteria used for determining out of range values and input component rationality check
UBATT Yes
Ground Yes
Disconnect Yes

Electronic Control Module (ECM)
U < 0.2V
U > 4.852V