Conditions for Setting the DTC
(Condition 1)
- Ignition ON with the engine running.
- HO2S1 voltage is between 0.376 and 0.474 V.
- Exhaust gas temperature is greater than 349.97 °C (661.9 °F).
- No oxygen sensor, system voltage faults exist.
- Internal resistance of the oxygen sensor is greater than 60 kΩ.
(Condition 2)
- Engine operating state not active.
- Sensor shall be in a state of operative readiness.
- No oxygen sensor fault exists.
- Mass air flow integral during pull cut off phase is greater than 1820.40 g.
- Exhaust gas temperature is 599.9 °C (1,112 °F) or less.