Purge flow monitor
If EVAP system pressure change is less than 7.5 mmHg (1 kPa) when the engine is running and the purge VSV is turned ON (closed), the ECM determines that the purge flow is insufficient.
DTC CHART
| DTC No. | Monitoring Item |
|---|---|
| P043E | Reference orifice low flow (built into canister pump module) |
| P043F | Reference orifice high flow (built into canister pump module) |
| P0441 |
|
| P1420 | Small leak from canister |
| P1421 | Gross leak from canister |
| P1422 | Small leak from fuel tank |
| P1423 | Gross leak from fuel tank |
| P2401 | Leak detection pump OFF stuck (built into canister pump module) |
| P2402 | Leak detection pump ON stuck (built into canister pump module) |
| P2419 | Vent valve ON (close) stuck (built into canister pump module) |
| P2420 | Vent valve OFF (vent) stuck (built into canister pump module) |
| P2450 | Fuel vapor-containment valve open stuck |
| P2451 | Fuel vapor-containment valve close stuck |