Details On DTCs
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0133:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
A/F sensor circuit slow response |
| Detection condition |
Determination conditions |
- The response speed of the A/F sensor input signal when the air/fuel ratio is fluctuated is slow.
|
| Preconditions |
- Engine speed: Within specified range
- Engine coolant temperature: Specified value or more
- Mass airflow: Within specified range
- A/F sensor voltage: within specified value
- Time until fuel-cut in all cylinders is completed: Within specified time
- Not during cylinder deactivation control (With cylinder deactivation (VIN M))
- The following DTCs are not detected:
- A/F sensor heater: P0031:00 and P0032:00
- ECT sensor No. 1: P0117:00 and P0118:00
- Misfire: P0300:00, P0301:00, P0302:00, P0303:00 and P0304:00
- Fuel injection correction: P0171:00, P0172:00, P2096:00 and P2097:00
|
| Drive cycle |
|
| Self test type |
|
| Sensor used |
|
| Fail-safe function |
- Fixes duty value of A/F sensor heater
- Stops fuel feedback control of A/F sensor
|
| Vehicle status when DTCs are output |
|
| Possible cause |
- A/F sensor signal malfunction
- A/F sensor connector or terminals malfunction
- A/F sensor incorrect installation
- A/F sensor deterioration
- A/F sensor heater malfunction
- PCM malfunction
|