Monitor Strategy
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
P0400
| 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 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
| 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 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 cycle |
| Sequence of operation | Stored when DTC P0400 is stored in the second trip |