| 摘要 |
A control unit (14) of a vehicle electric power supply apparatus (10) controls an opening and closing unit (16) to set a switch (15) to an OFF state and a voltage detection unit (26, 25) to detect an output voltage (VB) of a first power source (12) and an output voltage (VC) of a second power source (11) when a second electric load (20) is to be driven, and the control unit inhibits driving of the second electric load when the absolute value of the difference between the output voltage of the first power source and the output voltage of the second power source detected by the voltage detection unit is a predetermined first threshold value or less over a predetermined length of time. |
