EVAP system malfunction judgment
- The PCM calculates the stored air pump load current value and sends the results to the M-MDS as DTCs:
DTC CONDITION
| DTC No. | Condition |
|---|---|
| P0442 | EVAP control system leak detected (small leak) |
| P0446 | Change over valve (COV) (EVAP system leak detection pump) stuck closed |
| P0455 | EVAP control system leak detected (gross leak) |
| P0456 | EVAP control 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 sensor circuit malfunction |
| P2405 | EVAP system leak detection pump sensor circuit low input |
| P2407 | EVAP system leak detection pump sensor circuit intermittent |