| 摘要 |
PROBLEM TO BE SOLVED: To simply detect mis-assembling when plural types of devices are required with combination of controlled objects, by using a passive element for creating a state where an alarm device is driven unconditionally when a control device is loaded on a vehicle provided with other and a part of control objects. SOLUTION: A seat belt pretensioner 12 is provided for the device, a wiring 14 is connected with a seat belt alarm lamp 13. When a control unit 101 is mis-assembled, the seat belt alarm lamp 13 is connected with ground through the wiring 14, a terminal 10, and a wiring 103 and is always lightened. When a seat belt is put on, a switch 15 is turned off, and the seat belt alarm lamp 13 is turned off, but is kept lightened. From the fact that though the seat belt is put on and the switch 15 is turned off the seat belt alarm lamp 13 is kept lightened, some abnormality is found to exist since assembling of the control unit. |
