184001989 - E2530 INSTRUMENT LIGHTING - FUNCTIONAL DESCRIPTION

Operational description

The lighting of the controls in the front doors H44 and H50 is managed by the driver''s door control unit M66 and the passenger door control unit M67, supplied at pin 11 of connector E - by the line protected by fuse F32 of the junction unit under the dashboard B2 and connected via the CAN line to the Body Computer M1.Similarly, the lighting of the controls in the rear doors H53 and H54 is managed by the luggage compartment control unit M63, supplied at pin B8 of connector A by the line protected by fuse F36 of the junction unit under the dashboard B2 and connected via the CAN line to the Body Computer M1.The power supply with the side lights on is provided by the Body Computer M1 - pin 40 of connector E and pin 18 connector H for the cigar lighter P50 light, for the air conditioning H80 controls, in addition to for the radio P20.The ignition-operated power supply is provided by the line protected by fuse F49 of the junction unit under the dashboard B2 for the controls H91, the controls in the centre of the dashboard H35 and also for the radio phone preparation D75.     See E3580 PREPARATION FOR CELLULAR TELEPHONE. The "MODE" "+" and "-" controls for unit H91 send analogue signals to the instrument panel E50 at pins 13 and 16 of connector B. The Body Computer M1 is connected via the CAN line to the instrument panel E50 from which it receives the "brightness adjustment" signal which is transmitted to the radio node and to the climate control system control unit    See E1050 CAN CONNECTION LINES