EVAP Control System Monitor
EVAP CONTROL SYSTEM MONITOR OPERATION
| DTCs |
P0441 |
| Monitor execution |
Once per driving cycle |
| Monitoring duration |
3 sec. |
| DTCs |
P0456, P2404 |
| Monitor execution |
Once per driving cycle |
| Monitoring duration |
712 sec. |
ENABLE CONDITIONS
| Parameter |
Min. |
Max. |
| P0441 |
| Purge accumulation |
70 sec. |
- |
| Purge learn value for 60 sec. |
- |
0.05 |
| EVAP vent valve |
No DTC (P0449) |
| EVAP leak check pressure sensor |
No DTC (P2228, P2229) |
| EVAP canister purge valve |
No DTC (P0443) |
| P0456, P2404 |
| Duration time from engine off |
5 hours |
- |
| EVAP leak check pressure sensor |
No DTC (P2228, P2229) |
| EVAP vent valve |
No DTC (P0449) |
| EVAP leak detection pump |
No DTC (P2400) |
| EVAP canister purge valve |
No DTC (P0443) |
| IAT |
4.4 °C (39.9 °F) |
50 °C (122 °F) |
| ECT |
4.4 °C (39.9 °F) |
45 °C (113 °F) |
| Battery voltage |
11 V |
- |
| Ignition switch |
OFF |
| Fuel level |
- |
85% |
| Barometric pressure |
75 kPa |
- |
TYPICAL MALFUNCTION THRESHOLDS
| P0441: Tank pressure change during EVAP vent valve switching < 1.26 kPa |
| P0456: Tank pressure > Reference pressure-2 |
| P2404: |
| Monitor 1:
Tank pressure at vent valve on (close) < -0.14 kPa |
| Monitor 2:
Reference pressure change > 0.36 kPa |
| Monitor 3:
Reference pressure > -0.14 kPa |
| Monitor 4:
Reference pressure < -4.3 kPa |
| Monitor 5:
Reference pressure > -1.34 kPa |