If EVAP system detects a very large leak, the PCM sets P0455.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check Fuel Tank Pressure(FTP) with CCV(Canister Control Valve) closed and PCSV(Purge Control Solenoid Valve) open | 1. Fuel Filler Cap missing 2. Leakage in each hose/fuel filler pipe 3. Leakage in CCV / Canister / Fuel tank |
Enable Conditions |
•
CCV Close
•
PCSV Open
•
Common conditions for evap.system monitoring | |
Threshold value |
•
FTP(Fuel Tank Pressure) greater than -1000Pa | |
Diagnosis Time |
•
15 sec. | |
MIL On Condition |
•
2 Drive Cycles |