| DTC Strategy |
- Monitoring the tank pressure sensor(DTP) signal with under pressure
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- Fuel filler cap damage or missing
- Faulty or damaged fuel filler pipe
- Leaking, disconnected or plugged fuel vapor lines.
- Fuel in lines due to faulty Rollover Valve
- On-Board Refueling Vapor Recovery Valve (ORVR valve) or stuck closed CCV.
- Improperly installed or stuck Purge Control Solenoid Valve (PCSV).
- Faulty Fuel Tank Pressure Sensor (FTPS).
- Leaking canister
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| Enable Conditions |
- Coolant temperature >74°C (165°F)
- Ambient air temperature model >-10°C (14°F)
- Vehicle speed< 10km/h(6mph)
- Time after start: 590 sec.
- Estimated altitude< 2.4km(8000ft)
- Limited canister saturation
- Minimum canister purge time: 3~25sec.
- Idle speed engine operating state
- Differential fuel tank pressure: -11 ~ 4hPa
- No relevant failure
- 11V < Battery voltage < 16V
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| Threshold Value |
- Leak diameter >= 0.81 mm(0.031in)
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| Diagnostic Time |
- 30 sec. In idle when all enable conditions fulfilled
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