EVAP system malfunction judgment
- The PCM calculates the stored air pump load current value and send the results to the WDS as DTCs:
DTC CONDITIONS
| DTC No. | Condition |
|---|---|
| P0442 | EVAP control system leak detected (small leak) |
| P0446 | Change-over valve (EVAP system leak detection pump) stuck close |
| P0455 | EVAP control system leak detected (large leak) |
| P0456 | EVAP control system leak detected (very small leak) |
| P2401 | EVAP system leak detection pump control circuit low |
| P2402 | EVAP system leak detection pump control circuit high |
| P2404 | EVAP system leak detection pump sense circuit malfunction |
| P2405 | EVAP system leak detection pump sense circuit low input |
| P2407 | EVAP system leak detection pump sense circuit intermittent |