| 摘要 |
In a diagnostic device and a diagnostic method for a motor unit of an electric vehicle, an oil degradation/others detection unit (37) is provided which is configured to detect at least any one detection item of a contamination degree, a degradation degree, and an oil amount of an oil used for cooling a motor unit (6) or a reduction gear unit (7) during a non-traveling period when the vehicle is powered on. An abnormalities-time control unit (40) is provided which is configured to send notice of abnormalities of an oil supply system or not permit start of rotation of the motor unit (6) when a detection value detected by the oil degradation/others detection unit (37) is out of a setting range. |
