Slide door driving system

A slide door driving system of a motor vehicle, comprising:

• an electric power source;
• a door driving device to move a slide door between a full-open position and a full-close latched position with an aid of electric power from said electric power source;
• a manual switch mounted in the motor vehicle;
• a control circuit for controlling said door driving device in accordance with operation of said manual switch, said control circuit including,
• a door driving control unit which drives the slide door between the full-open position and an almost close position just before the full-close latched position, and
• a door closing control unit which shifts the slide door from said almost close position to said full-close latched position;
• a first electrical connector connected to said door driving control unit and mounted on the slide door;
• a second electrical connector connected to said door closing control unit and mounted on a body of the vehicle, said second electrical connector mounted on the body the vehicle for engagement with said first electrical connector when the slide door is between the full-close latched position and almost close position;
• an ignition switch for an engine of the vehicle;
• and
• a permission switch connected in series between said control circuit and said power source, said permission switch turning ON in response to said ignition switch being turned ON;
• wherein said control circuit is provided with a judging circuit which makes said manual switch operative only when said permission switch is ON.