DTC SUMMARY
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
|---|
| P1451 | Fuel Tank Pressure Sensor Range/Performance | Either of the following conditions is met: Fuel tank pressure sensor output voltage fluctuates frequently in certain time period. Fuel tank pressure sensor output voltage does not vary in certain time period. | Fuel tank pressure sensor Connector/wire harness (fuel tank pressure sensor - ECM) ECM | Comes on | DTC stored |
| P1452 | Fuel Tank Pressure Sensor Low Input | Fuel tank pressure is less than -17.1875 kPa(gauge) [-128.93 mmHg(gauge)] for 0.5 seconds. | Fuel tank pressure sensor Connector/wire harness (fuel tank pressure sensor - ECM) ECM | Comes on | DTC stored |
| P1453 | Fuel Tank Pressure Sensor High Input | Fuel tank pressure is higher than 23.9375 kPa(gauge) [179.57 mmHg(gauge)] for 0.5 seconds. | Fuel tank pressure sensor Connector/wire harness (fuel tank pressure sensor - ECM) ECM | Comes on | DTC stored |
| DTC No. | Monitoring Item | Detection Timing | Detection Logic |
|---|
| P1451 | Fuel tank pressure sensor abnormal voltage fluctuation | EVAP monitoring (power switch off) | 2 trip |
| Fuel tank pressure sensor constant voltage |
| P1452 | Fuel tank pressure sensor voltage low | EVAP monitoring (power switch off) Power switch on (IG) | 1 trip |
| P1453 | Fuel tank pressure sensor voltage high |
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
|---|
| P2420 | Evaporative Emission Pressure Switching Valve Stuck OFF | Following condition is met during key-off EVAP monitor: EVAP pressure change when vent valve closed (on) less than 0.3 kPa(gauge) [2.25 mmHg(gauge)] | Canister pump module (reference orifice, leak detection pump, vent valve) Connector/wire harness (Canister pump module - ECM) Canister (filter inside canister clogged) ECM | Comes on | DTC stored |
| DTC No. | Monitoring Item | Detection Timing | Detection Logic |
|---|
| P2420 | Vent valve stuck open (vent) | While power switch off | 2 trip |
The vent valve is built into the canister pump module.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
|---|
| P2450 | Fuel Vapor-containment Valve Stuck Open | Either of the following conditions is met when fuel tank pressure is between -2 kPa(gauge) [-15 mmHg(gauge)] and 3 kPa(gauge) [22.5 mmHg(gauge)]. Fuel tank pressure change when vacuum introduction for canister is less than 0.5 kPa(gauge) [3.75 mmHg(gauge)] EVAP pressure when vacuum introduction for canister was complete is higher than (third reference pressure x 0.2) | Fuel vapor-containment valve Connector/wire harness (fuel vapor-containment valve - ECM) ECM | Comes on | DTC stored |
| P2451 | Fuel Vapor-containment Valve Stuck Close | Either of the following conditions is met: Fuel tank pressure change when vacuum introduction for canister is less than 0.5 kPa(gauge) [3.75 mmHg(gauge)] EVAP pressure change when fuel vapor-containment valve is open is less than 0.9 kPa(gauge) [6.75 mmHg(gauge)] | Fuel vapor-containment valve Connector/wire harness (fuel vapor-containment valve - ECM) ECM | Comes on | DTC stored |
| DTC No. | Monitoring Item | Detection Timing | Detection Logic |
|---|
| P2450 | Fuel vapor-containment valve stuck open | While power switch off | 2 trip |
| P2451 | Fuel vapor-containment valve stuck close |
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory |
|---|
| P2610 | ECM / PCM Internal Engine Off Timer Performance | ECM internal malfunction (2 trip detection logic). | ECM | Comes on | DTC stored |
| DTC No. | Monitoring Item | Detection Timing | Detection Logic |
|---|
| P2610 | Soak timer (built into ECM) | Power switch off | 2 trip |
