Enable Conditions
ENABLE CONDITIONS
| Condition | Minimum | Maximum |
|---|---|---|
| Elapsed time that secondary HO2S activity is not monitored after starting the engine | 15 seconds | - |
| Engine coolant temperature | 156°F (69°C) | - |
| Intake air temperature | -13°F (-25°C) | - |
| Estimated TWC temperature | 986°F (530°C) | - |
| Vehicle speed | 26 mph (41 km/h) | - |
| Fuel trim | 0.75 | 1.47 |
| Fuel feedback | Other than wide open throttle | |
| Closed loop at stoichiometric | ||
| No active DTCs set (prevents monitor from running) | P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0133, P0134, P0135, P0137, P0138, P0139, P0141, P0171, P0172, P0222, P0223, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0351, P0352, P0400, P0401, P0404, P0443, P0496, P0497, P060A, P1109, P1157, P1172, P145C, P1659, P2101, P2118, P2122, P2123, P2127, P2128, P2135, P2138, P2176, P2195, P2227, P2228, P2229, P2238, P2252, P2413, P2648, P2649, P2A00 | |
| Other | Has record of deceleration at least once | |
| Cruise load or more | ||