DTC P0A78-121: Drive Motor "A" Inverter Performance [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
For a description of the inverter. Refer to DESCRIPTION .
If an overvoltage occurs in the motor inverter or generator inverter, the MG ECU detects it and transmits this information to the power management control ECU.
HINT:
The term "drive motor A" indicates MG2.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A78 | 121 | Motor inverter overvoltage signal detection (overvoltage due to system malfunction) |
|