Typical Enabling Conditions
TYPICAL ENABLING CONDITIONS CHART
| Monitor runs whenever the following DTCs are not present |
P0420 (Catalyst) |
| Engine |
Running |
| Estimated A/F sensor temperature |
450 to 800°C (842 to 1, 472°F) |
| Estimated HO2S temperature |
450 to 800°C (842 to 1, 472°F) |