On Board Diagnosis Logic
WARNING: This page is about a different car, the 2005 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTC P0452 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to
DTC P1229 SENSOR POWER SUPPLY
.
DTC DETECTING CONDITION AND POSSIBLE CAUSE CHART
| 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. |
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