Monitor Strategy
WARNING: This page is about a different car, the 2007 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR STRATEGY CHART
| 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 | 120 seconds (20 seconds x 6) |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |