DTC P0454 EVAP. Emission System-Pressure Sensor Intermittent: DTC Detecting Condition
DTC DETECTION CONDITION REFERENCE CHART
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Plausability check noisy signal
|
- Contact resistance in connectors
- Faulty FTPS
|
| 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
|
| 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
|
| Mil On Condition |
|