If there is an open in the PCSV circuit, the ECM/PCM sets DTC P0444.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check | 1. Poor connection 2. Open in power circuit and control circuit 3. PCSV 4. ECM/PCM |
Enable Conditions |
•
0.13% < Canister Purge duty < 99.87%
•
10V < Battery voltage < 16V | |
Threshold Value |
•
ECU power stage diagnosis | |
Diagnostic Time |
•
Continuous | |
MIL On Condition |
•
2 Driving Cycles |