DTC P0452: Notes
DTC P0452 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0452 |
Fuel tank pressure sensor low input |
| DETECTION CONDITION |
- The PCM monitors the evaporative emission (EVAP) control system fuel tank pressure sensor input signal to the PCM. The test fails when the signal average drops below a minimum allowable calibrated parameter.
|
| POSSIBLE CAUSE |
- Fuel tank pressure sensor malfunction
- Connector or terminal malfunction
- Short to ground between fuel tank pressure sensor terminal A and PCM terminal 1AB
- Fuel tank pressure sensor signal circuit and ground circuit for short each other
|
 Courtesy of MAZDA MOTORS CORP.
|