DTC P2422 EVAP. Emission System-Canister Clogging: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Monitor vacuum when purging at a prescribed rate.
|
- Faulty Canister Close Valve
- Clogging of canister air filter
- Open in ground harness of FTPS
- Faulty PCM
|
| Enable Conditions |
- 10V < Ignition Volt < 16V
- Barometric pressure > 72 kPa
- Engine off time > 720min
- Startup ECT - Startup IAT < 12°C (53.6°F)
- 0°C (32°F) (Startup ECT < 40°C (104°F)
- 0°C (32°F) < Startup IAT < 40°C (104°F)
- Start-up IAT-IAT < 1°C (33.8°F)
- Engine Run Time > 1sec.
- Purge enable time < Threshold (mapped in PCM)
- Cold Start Time < 300sec.
- 0.03% < Fuel Level < 0.97%
|
| Threshold value |
- Tank vacuum ≥ 8 in H2O (for more than 5 sec.)
- Purge rate: 0.15 g/s
|
| Diagnosis Time |
|
| MIL On Condition |
|