Method and apparatus for controlling positions of members provided on a car

An apparatus for controlling the positions of position-controlled means provided on a car, comprising:

• a host position control means provided on the car for controlling a position of a first position-controlled means in accordance with an occupant of the car;
• a plurality of second position-controlled means each connected to said host position control means for effecting position control of said plurality of second position-controlled means on the basis of host position control signals transmitted from said host position control means to each of said plurality of second position-controlled means so that each of said plurality of second position-controlled means is controlled according to the position of said first position-controlled means and the occupant of the car;
• a returning means for sending a confirming answer pulse to said host position control means in a closed loop with the transmitted control signals after receiving host position control signals transmitted to the second position-controlled means;
• an abnormality recognizing means for recognizing the fact that there is an abnormality in the closed loop when no confirming answer pulse signal is returned from said returning means in response to a control signal transmitted from said host position control means;
• judging a condition of each of the position controlled means;
• and
• software controlling an order of controlling the positions of the plural position controlled means based on the judged conditions of the plural position controlled means.