Monitor Strategy
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 350, 2023 Lexus IS 300, and 2022 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) | Engine coolant temperature sensor Water inlet with thermostat sub-assembly Engine cooling system |
| Required Sensors/Components (Related) | - |
| Frequency of Operation | Once per driving cycle |
| Duration | 96 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [15°F]) or higher (for IS350 2WD models) 90 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [15°F]) or higher (for IS350 AWD models) 71 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [15°F]) or higher (for IS300 AWD models) 174 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [35°F]) or higher, and less than (closed-loop engine coolant temperature - 8.33°C [15°F]) (for IS350 2WD models) 168 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [35°F]) or higher, and less than (closed-loop engine coolant temperature - 8.33°C [15°F]) (for IS350 AWD models) 137 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [35°F]) or higher, and less than (closed-loop engine coolant temperature - 8.33°C [15°F]) (for IS300 AWD models) 1200 seconds: Engine coolant temperature at engine start is less than (closed-loop engine coolant temperature - 19.44°C [35°F]) |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |