DTC P0454 EVAP. Emission System-Pressure Sensor Intermittent: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| ITEM |
DETECTING CONDITION |
POSSIBLE CAUSE |
| DTC Strategy |
- Sensor signal noise check
|
- Contact resistance in connectors
- Faulty FTPS
|
| Enable Conditions |
- Idle state
- Minimum modeled ambient temperature > -10°C (14°F)
- Coolant temperature > 74°C (165°F)
- Vehicle speed < 10km/h (6mph)
- Time after start: 590 sec.
- Estimated altitude < 2.4km (8000ft)
- Differential fuel tank pressure: -11 ~ 4hPa
- Limited canister saturation
- Minimum purge time: 5~25 sec.
- No relevant failure
- 11V < Battery voltage < 16V
|
| Threshold Value |
- Leak detection test inhibited more than 3 times due to noise in tank pressure signal
|
| Diagnostic Time |
- 3 times Leak test inhibited by Noisy signal
|
| Fail Safe |
- EVAP. System monitoring is inhibited
- Fuel Tank Pressure Sensor monitoring is inhibited
- Canister close valve monitoring is inhibited
|