Monitor Strategy
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
P0400 (FOR TMC MADE)
| Related DTC | P0400: EGR valve flow functional |
| Required Sensors/Components (Main) | EGR valve assembly Manifold absolute pressure sensor |
| Required Sensors/Components (Related) | Crankshaft position sensor Camshaft position sensor Vehicle speed sensor Engine coolant temperature sensor Mass air flow meter sub-assembly |
| Frequency of Operation | Once per driving cycle |
| Duration | Within 5 seconds |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |
P0401, P0402 (FOR TMC MADE)
| Related DTC | P0401: EGR valve low flow rate P0402: EGR valve high flow rate |
| Required Sensors/Components (Main) | EGR valve assembly Manifold absolute pressure sensor |
| Required Sensors/Components (Related) | Crankshaft position sensor Camshaft position sensor Vehicle speed sensor Engine coolant temperature sensor Mass air flow meter sub-assembly |
| Frequency of Operation | Once per driving cycle |
| Duration | Within 5 seconds |
| MIL operation | 1 driving cycle |
| Sequence of operation | Stored when DTC P0400-00 is stored in the second trip |
P0401 (FOR TMMK MADE)
| Related DTC | P0401: EGR valve high flow rate/low flow rate |
| Required Sensors/Components (Main) | EGR valve assembly Manifold absolute pressure sensor |
| Required Sensors/Components (Related) | Engine coolant temperature sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | Within 5 seconds |
| MIL operation | 2 driving cycles |
| Sequence of operation | None |