Structure and inner electrical connection: Notes

The video switch (VSW) is connected to the K-CAN and vehicle electrical system by means of a 54-pin plug connection. The video switch transmits the picture signals of the selected video source to the requesting video sinks via CVBS lines. The power distribution box in the junction box supplies the video switch via terminal 30B.

Fig 1: Video Switch - Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.