BRAKE LIGHTS - Functional description

Functional description

The supply for the switch I30 is controlled by the ignition (INT) from the line for fuse F37 of the underdashboard control unit B2: when the brake pedal is pressed, the switch closes and sends the 'N.A.' signal to the Body Computer M1, pin 2 of connector F.

The 'ignition ON signal (INT) for the switch H1 reaches the underdashboard control unit B2 at pin 11 of connector H and from there moves on to the Body Computer M1 (pin 9 of connector F).

The Body Computer M1 controls the supply for the brake lights in the light clusters F30 (left) F31 (right) from pins 32 and 33 of connector E.

The Body Computer M1 is connected, via the CAN line, to the instrument panel E50, to manage the 'lights failure' warning light if there are failures detected in the circuit.

The switch I30 directly controls the centre rear light cluster F40 via the underdashboard control unit B2, pin 5 of connector D