Monitor Strategy
MONITOR STRATEGY TABLE
| Related DTCs | P0420 | Bank 1 catalyst is deterioration |
|---|---|---|
| Required sensors/components | Main sensors | Front and rear heated oxygen sensor |
| Related sensors | Mass air flow sensor, engine coolant temperature sensor, engine speed sensor, intake air temperature sensor | |
| Frequency of operation | Once per driving cycle | |
| Duration | 90 seconds | |
| MIL operation | 2 driving cycles | |
| Sequence of operation | None | |