Title:
電源制御装置
Document Type and Number:
Japanese Patent JP4155094
Kind Code:
B2
Abstract:
PURPOSE: A power control technique is provided to realize the power supply according to the status of a vehicle when a starting device of the vehicle is turned off. CONSTITUTION: In turning off a first and a second ignition switches(S110), A first CPU(Central Processing Unit) checks an error of an electronic control brake system(S120). In checking the errors through the first CPU or a second CPU(Y of S120), the first and the second CPUs turn off a first and a second main relays respectively(S300). In turning off a passenger detection switch(Y of S400) when the first and the second CPUs decides the electronic control brake system is normal(N of S120), the first and the second main relays are turned on for a certain time as a self maintaining process at a normality. The continuous time to turn on the first and the second main relays is changed according to a voltage of a battery for a vehicle.
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Inventors:
Toshikazu Kobayashi
Application Number:
JP2003133493A
Publication Date:
September 24, 2008
Filing Date:
May 12, 2003
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60R16/02; B05B11/00; B60R16/033; F02N11/08; F02N11/10
Domestic Patent References:
| JP4024112A | ||||
| JP63284052A | ||||
| JP8163711A | ||||
| JP62122827A | ||||
| JP61229639A |
Attorney, Agent or Firm:
Sakaki Morishita
Yusuke Murata
Tomoyuki Miki
Yusuke Murata
Tomoyuki Miki