Conditions for Setting the DTC
- The engine controls system is in fuel cut off.
- Engine Coolant Temperature is higher than 65 °C (149 °F).
- The vehicle speed is higher than 5 km/h (3.1 mph).
- The compensated catalyst temperature is higher than 400 °C (752 °F).
- No relevant DTCs are set.
- Total response time is greater than expected.
- The sensor voltage does not drop below 100 mV after 20 g mass air integration time plus 4 seconds of diagnosis time.