Monitor Strategy
MONITOR STRATEGY
| Related DTCs | P0420: Catalyst Deterioration |
| Required Sensors/Components (Main) | TWC |
| Required Sensors/Components (Related) | Air-Fuel Ratio (A/F) sensor, Heated Oxygen (HO2) sensor, Intake Air Temperature (IAT) sensor, Mass Air Flow (MAF) meter, Crankshaft Position (CKP) sensor, Engine Coolant Temperature (ECT) sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | 20 seconds |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |