On Board Diagnosis Logic
If DTC P0452 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC P0643: Sensor Power Supply .
DTC DETECTING CONDITION AND POSSIBLE CAUSE
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0452 0452 |
EVAP control system pressure sensor low input | An excessively low voltage from the sensor is sent to ECM. |
|