312000911 - E2031 REAR FOG LIGHTS - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

The rear fog lamp button, located in the switch control unit H090, receives a reference earth from pin 37 of connector D of the Body Computer M001 and sends the engagement signal for the function to pin 45 of the same connector.The Body Computer M001 receives a direct battery power supply (pin 1 of connector A) protected by fuse F01 of the engine compartment junction unit B001 (pin 18 of connector B); it also receives an ignition-controlled power supply (INT) at pin 11 of connector E.The Body Computer M001 is also connected to the driver''s dashboard earth C015 via pins 9 and 10 of connector E.The main-beam headlights activation signal is sent to pin 38 of connector D of the Body Computer M001 from the steering column switch unit H005.    See E2011 DIPPED HEADLAMPS The Body Computer M001 controls the supply for the rear fog lamp in the left rear light cluster F030 (pin 2) from pin 10 of connector F.The left rear light cluster F030 (pin 3) is connected to the left rear earth C030.Via the B-CAN line, the Body Computer M001 (pins 18 and 20 of connector D) is connected to the instrument panel E050 (pins 5 and 6) to manage the "rear fog lights on" warning light and the general failure warning light and the message in the display if there is a failure detected in the circuit.