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 P013B:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
HO2S: Slow response (during transition from lean to rich) |
| Detection condition |
Determination conditions |
- The response speed of the HO2S input signal when the air/fuel ratio is fluctuated from lean to rich is slow.
|
| Preconditions |
- Catalytic converter estimated temperature: specified value or more
- HO2S estimated temperature: specified value or more
- HO2S output voltage at fuel cut recovery: Specification or less
- The following DTCs are not detected:
- HO2S heater: P0037:00 and P0038:00
- MAF sensor: P0100:00, P0101:00 and U060F:00
- ECT sensor No. 1: P0117:00 and P0118:00
- HO2S: P0137:00, P0138:00 and P0140:00
|
| Drive cycle |
|
| Self test type |
|
| Sensor used |
|
| Fail-safe function |
|
| Vehicle status when DTCs are output |
|
| Possible cause |
- HO2S malfunction
- HO2S connector or terminals malfunction
- HO2S incorrect installation
- Exhaust system leakage
- TWC damaged or malfunction
- HO2S deterioration
- HO2S heater malfunction
- Improper operation of purge control system
- Purge solenoid valve malfunction
- Improper connection of evaporative hose (purge solenoid valve side)
- Engine malfunction
- Insufficient engine compression
- PCM malfunction
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