Monitor Strategy
WARNING: This page is about a different car, the 2009 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
| Related DTCs | P0125: Insufficient engine coolant temperature for closed-loop fuel control |
| Required Sensors/Components (Main) | Thermostat, cooling system |
| Required Sensors/Components (Related) | Engine coolant temperature sensor and mass air flow meter |
| Frequency of Operation | Once per driving cycle |
| Duration | 88 seconds: Engine coolant temperature at engine start -8.33°C (17°F) or more 144 seconds: Engine coolant temperature at engine start -19.44 or more, and less than -8.33°C (-3 to 17°F) 1200 seconds: Engine coolant temperature at engine start less than -19.44°C (-3°F) |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |