DTC P0447 EVAP. Emission System-Vent Control Circuit Open: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Detects a short to ground or open circuit on Vent Valve output circuit.	Poor Connection Open or Short in Power Circuit Open or short in Control Circuit CCV PCM
Enable Conditions	No disabling Faults Present Engine Running 11V ≤ Ignition Voltage ≤ 16V Enable Time delay ≥ 0.5sec.
Threshold value	Open or short to ground
Diagnosis Time	Continuous (More than 5sec.Test failure for every 10sec. tests)
MIL On Condition	2 Driving Cycles