DTC P324E-788: MG-ECU Power Relay Intermittent Circuit [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
If the MG ECU, which is built into in the inverter with converter assembly, is reset due to a problem with the power source in the inverter, the hybrid vehicle control ECU assembly will stored this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P324E-788 | MG-ECU Power Relay Intermittent Circuit | Error in reset signal from the inverter assembly power source IC: If internal power source voltage drops below the normal CPU operating voltage or the ROM/RAM is malfunctioning, the power source IC resets the MG ECU and stores this DTC. (1 trip detection logic) |
|
Does not come on | Master Warning Light: Comes on |