Enable Conditions
| Condition |
Minimum |
Maximum |
| Rear secondary HO2S (bank 1, sensor 2) element temperature |
1,022°F (550°C) |
- |
| Rear secondary HO2S (bank 1, sensor 2) output voltage before fuel cut-off* |
0.62 V |
- |
| Fuel feedback |
During deceleration |
*: Continue for more than 10 seconds