The PCM sets DTC P0441 when fuel tank pressure is in abnormal condition.
Item | Detecting Condition & Fail Safe | Possible Cause | |
Case 1 | DTC Strategy |
•
Open stuck diagnosis during CCV closed and PCSV closed | 1. Missing Fuel cap 2. Incorrect fuel cap used 3. Fuel cap remains open or fails to close 4. Foreign matter caught in fuel cap 5. Faulty CCV 6. Faulty PCSV |
Enable Conditions |
•
CCV(Canister Close Valve) Close
•
PCSV(Purge Control Solenoide Valve) Close
•
Common conditions for evap.system monitoring | ||
Threshold Value |
•
Fuel Tank Pressure less than -200Pa(-0.03psi/-0.003bar) | ||
Case 2 | DTC Strategy |
•
Close stuck diagnosis during CCV closed and PCSV open | |
Enable Conditions |
•
CCV(Canister Close Valve) Close
•
PCSV(Purge Control Solenoide Valve) Open
•
Common conditions for evap.system monitoring | ||
Threshold Value |
•
Fuel Tank Pressure greater than -30Pa(-0.004psi/-0.0003bar) | ||
Diagnostic Time |
•
15 sec | ||
Mil On Condition |
•
2 Driving Cycles | ||
