DTC P0A78-128: Drive Motor "A" Inverter Performance [02/2014 - 11/2015]: Description

For a description of the inverter.

If an abnormal amount of current flows through the motor inverter, the MG ECU detects it and sends a signal to inform the power management control ECU 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)	Hybrid vehicle motor assembly Hybrid vehicle generator assembly Inverter with converter assembly Power management control ECU PCU fuse Wire harness or connector	Comes on	Master Warning Light: Comes on