Vehicle opening and closing body control device

A vehicle opening and closing body control device comprising:

• a drive control unit that opens and closes an opening and closing body of a vehicle using a motor as a drive source;
• wherein
• the opening and closing body performs the opening and closing operation based on an operation of a link mechanism formed by first and second link arms having a first rotation connection point with respect to a vehicle body and a second rotation connection point with respect to the opening and closing body,
• an opening and closing body engagement portion is provided at a closed-side end of the opening and closing body,
• a vehicle body engagement portion is provided at a closed-side end of a vehicle body opening, that the closed-side end of the opening and closing body comes into contact with and separates from based on the opening and closing operation of the opening and closing body,
• one of the opening and closing body engagement portion and the vehicle body engagement portion includes a guide engagement portion,
• the other of the opening and closing body engagement portion and the vehicle body engagement portion includes a guide groove having a pair of side wall portions facing each other and extending in an opening and closing operation direction of the opening and closing body, and
• when the opening and closing body engagement portion is correctly engaged with the vehicle body engagement portion in a specific operation section set in a vicinity of a fully closed position of the opening and closing body, an opening and closing operation of the opening and closing body is guided in a state where the guide engagement portion is disposed in the guide groove;
• and
• an engagement failure detector that detects a failure in engagement of the opening and closing body engagement portion with the vehicle body engagement portion based on a change in a motor current value in the specific operation section at a time of full-closing control of the opening and closing body.