| Enable Conditions |
- Vehicle speed 40 km/h (24.8 MPH)
- Engine speed 832 to 3360 RPM
- Atmospheric pressure is higher than 75 kPa
- Oxygen sensor activation status
- Sensor ceramic temperature is greater than 800°C (1472°F)
- When the upstream oxygen sensor heating time is more than 30 seconds, it is in the maximum heating or normal heating state
- Sensor ceramic temperature is greater than 620°C (1148°F)
- When the downstream oxygen sensor heating time is more than 80 seconds, it is in the maximum heating or normal heating state
- Catalyst temperature 520 to 957°C (968 to 1754.6°F)
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