DTC P0A78-128: Drive Motor "A" Inverter Performance [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.
For a description of the inverter.
Refer to DESCRIPTION
If an abnormal amount of current flows through the motor inverter, the MG ECU detects it and sends a signal to inform the hybrid vehicle control ECU assembly of the malfunction.
HINT:
The term "drive motor A" indicates the motor (MG2).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A78-128 | Drive Motor "A" Inverter Performance | Abnormal motor current value detected (system malfunction): A malfunction is detected in any of the motor components (motor inverter, motor, MG ECU, etc.). (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |