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DTC P0456 EVAP. Emission System-Leak Detected (Very Small Leak): DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Monitor the fuel tank's vacuum
|
- Fuel Filler Cap missing
- Leakage in each hose/fuel filler pipe
- Leakage in CCV/Canister/Fuel tank
|
| Enable Conditions |
- 10 V < Battery voltage < 16 V
- Barometric pressure > 72 kPa (0.72 bar)
- Engine coolant temperature at startup - Intake air temperature at startup < 6.7°C (12°F)
- Engine coolant temperature at startup: 4.5 ~ 35°C (40 ~ 95°F)
- Intake air temperature at startup: 4.5 ~ 35°C (40 ~ 95°F)
- Fuel level: 15 ~ 85 %
|
| Threshold value |
- Fuel tank's vacuum > a prescribed threshold
|
| Diagnosis Time |
- One time during Evaporative system diagnosis
|
| MIL On Condition |
|