939011500 - E2020 DIRECTION INDICATORS/HAZARD WARNING LIGHTS - FUNCTIONAL DESCRIPTION (Xenon Gas headlamps)

FUNCTIONAL DESCRIPTION

The direction indicator (earth) activation signals are sent to pins 7 of connector I and 30 of connector G of the Body Computer M1 from the steering column switch unit H5.The hazard light activation signal (earth) reaches pin 34 of connector G of M1 from control button H20.The Body Computer M1 receives a specific direct power supply for the hazard warning lights via the line for fuse F53 of the junction unit under the dashboard B; as a result it controls the side direction indicators F20 (left) and F21 (right) from pins 2 of connector A and 22 of connector B, the sid direction indicators F10 (left) and F11 (right) from pins 38 and 39 of connector B and the rear direction indicators F30 (left) and F31 (right) from pins 12 and 3 of connector D.A (positive) signal is sent from pin 29 of connector G of M1 to lightup the LED in the control button H20 with the power supply arriving from the INT line protected by fuse F49 of junciton unit B2.The Body Computer M1 is connected, via the CAN line, to the instrument panel E50 to manage the "direction indicator" warning lights, the buzzer and, if there is a problem in the circuit, the "lights failure" warning light.