The direction indicators activation signals are sent to pin 7 of connector D and 30 of connector B for the Body ComputerM1 from the steering column switch unitH5.The ''ignition ON'' signal (INT) for the switch H1 reaches the underdashboard control unitB2at pin 11 of connector H and from there moves on to the Body ComputerM1(pin 9 of connector F).The hazard warning lights activation signal, on the other hand, reaches pin 34 of connector B ofM1from the control button in the centre panelH12.The Body ComputerM1 controls the supply for the side lights at the side F20 (left) and F21 (rght) from pins 2 and 22 of connector A, for the front side lights F18 (left) F19 (right) from pins 38 and 39 of connector A and for the rear side lights F30 (left) F31 B (right) from pins 12 and 3 of connector E.The Body ComputerM1 is connected, via the CAN line, to the instrument panel E50, to manage the ''direction indicators'' warning light, the buzzer and, if there are failures in the circuit, the ''lights failure'' warning light.The signal is sent, from pin 29 of connector B of M1, to light up the LED in the control buttonH12.