EVAP System Malfunction Judgment
- The PCM calculates the stored air pump load current value and send the results to the WDS as DTCs:
DTC & CONDITION TABLE
| DTC No. | Condition |
|---|---|
| P0442 | Evaporative emission control system leak detected (small leak) |
| P0446 | Change over valve (COV) (EVP system leak detection pump) stuck close |
| P0455 | Evaporative emission control system leak detected (gross leak) |
| P0456 | Evaporative emission system leak detected (very small leak) |
| P2401 | EVAP system leak detection pump motor circuit low |
| P2402 | EVAP system leak detection pump motor circuit high |
| P2404 | EVAP system leak detection pump sense circuit problem |
| P2405 | EVAP system leak detection pump sense circuit low input |
| P2407 | EVAP system leak detection pump sense circuit intermittent |