The parking sensor control unit M84 receives a supply at pin 1 of connector A from the ignition-controlled INT line protected by fuse F61 of Body Computer M1; pin 8 of connector A is earthed.Body Computer M1 - connector G - is supplied directly from the battery via a line protected by maxifuse F2 of engine compartment control unit B1; its ignition-controlled supply (INT) is received at pin 2 of connector D; pin 10 of connector H or M1 supplies the Body Computer with a reference earth.The control unit is connected, via pins 7 and 4 of connector A and the CAN, to all the other nodes in the same network, for example receiving the information that reverse gear is engaged.The commands for the display are sent to the instrument panel via the CAN.The four front parking sensors K97 are connected to connector B of the control unit M84: pin 1 provides the reference earth, pin 2 the power supply, pins 5, 4, 3 and 2 are connected to sensors K97A, K97B, K97C and K97D, respectively.