| 摘要 |
PROBLEM TO BE SOLVED: To issue an alarm rationally for preventing a state in which abnormality occurs to an electrical system including a rotating electrical machine that drives a vehicle is left unobserved for a long period of time.SOLUTION: An EV alarm lamp 21 and an ETACS-ECU 30 start a first alarm operation by lightening in response to occurrence of an abnormality to an electrical system including a rotating electrical machine. An MID 22 and the ETACS-ECU 30 start a second alarm operation predetermined time after start of the first alarm operation. The ETACS-ECU 30 determines whether an abnormal level is high or low on the basis of seriousness of the abnormality. The MID 22 and the ETACS-ECU 30 determines to set the predetermined time to be shorter if the abnormal level is higher. |
