The Machine ECM also monitors the overall power train operating conditions.
The Generator ECM monitors the speed status of the generator using the generator speed sensor and controls and monitors the operation of six power transistors in the Control No. 1 side of the power inverter.
The Motor ECM monitors the speed status of drive motor No. 2 and the winding temperature status of both drive motors. The Motor ECM also controls and monitors the operation of six power transistors in the Control No. 2 side of the power inverter.