Monitor Strategy
| Related DTCs | P0420: Catalyst (bank 1) detection P0430: Catalyst (bank 2) detection |
| Required Sensors/Components (Main) | Catalyst |
| Required Sensors/Components (Related) | Heated oxygen sensor, IAT sensor, MAF meter, Crankshaft position sensor, ECT sensor |
| Frequency of Operation | Once per drive cycle |
| Duration | 60 seconds (20 seconds x 3) |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |