312000927 - E2530 INSTRUMENT LIGHTING - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

Body Computer M001 (pins 18 and 20 of connector D) is connected via the B-CAN line to instrument panel E050 (pins 5 and 6), from which it receives the brightness intensity adjustment signal via the special buttons located to the right of the instrument panel and the daylight or night time condition information via its built-in sensor, to manage the dimming function.These signals are transmitted, also via the B-CAN, to radio P020 (pins A3 and A1 of connector A) and climate control control unit M070 (pins 10 and 9 of connector A), where fitted.Body Computer M001 receives a direct battery power supply (pin 1 of connector A) protected by fuse F01 in engine compartment junction unit B001 (pin 18 of connector B); it also receives an ignition-operated power supply (INT) at pin 11 of connector E.Body Computer M001 is also connected to driver-side dashboard earth C015 via pins 9 and 10 of connector E.The side lights activation signal is sent to pin 51 of connector D of Body Computer M001 from steering wheel interface H005.    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS The side lights on power supply is sent by Body Computer M001, respectively:

  • from pin 30 of connector F, to cigar lighter P070 (pin 1);
  • from pin 60 of connector D, to radio wiring connector P020 (pins A6 of connector A);
  • from pin 12 of connector B, to heater/air conditioner control lights G045.
The ignition-operated power supply line (INT), protected by fuse F49 inside Body Computer M001, provides lighting respectively:

  • from pin 17 of connector E, for clock spring junction radio controls D047 (pin 5);
  • from pin 15 of connector E, for switch control unit H090 (pin 6);
  • from pin 22 of connector C, for adjustable mirrors control H030 (pin 8);
  • from pin 23 of connector F, for sunroof switch H060 (pin 4) and for convergence control panel H136 (pin 6);
  • from pin 13 of connector E, for driver-side H042 and passenger side H043 front electric window switches (pin 4);
  • from pin 16 of connector E, for auxiliary controls panel H115 (pin 6).