DTC P0453-00: Fuel Tank Pressure Sensor High Input
WARNING: This page is about a different variant/trim than selected.
P0453-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Fuel tank pressure sensor high input |
| Detection condition |
- The PCM monitors the EVAP control system fuel tank pressure sensor input signal to the PCM. The test fails when the signal average jumps above a maximum allowable calibrated parameter.
|
| Fail-safe |
|
| Possible cause |
- Fuel tank pressure sensor malfunction (Refer to FUEL TANK PRESSURE SENSOR INSPECTION (VIN Y)
in the service information.)
- Malfunction in wiring harness (including connector/terminal) between PCM and fuel tank pressure sensor (see CIRCUIT INSPECTION
.) (see CLEARING DTC
.)
- PCM malfunction (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y)
in the service information.)
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (see CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
PCM |
| 2 |
Fuel tank pressure sensor |