186003062 - E2510 COURTESY LIGHTS - FUNCTIONAL DESCRIPTION (Right hand drive)

Operational description

The supply for the front courtesy lights ( G10 ) and rear ones ( G25 and G26) arrives directly from the battery (maxifuse J/B1 of B5 ) via fuse F10 of the junction unit B1 . They are switched on via a direct earth signal (permanently activated) at pin 1 for the courtesy lights or at pin 3 by a signal from the integrated services control unit M40 . The control unit M40 receives a supply directly from the battery - pin 8 of connector B - from the line for maxifuse J/B2 of B5 via shunt fuse B19 and ignition operated (INT) - pin 7 of connector B - from the line for shunt fuse B26 . Pin 13 of connector B provides the earth.

The control unit receives door unlocking and opening signals that arrive:

• at pins 3 and 2 of connector B: opening of one of the front doors N50 and N51 (left and right, respectively);
• at pins 12 and 18 of connector B: opening of one of the rear doors N55 and N56 (left and right, respectively).

On the basis of the above signals and the control logic illustrated previously, the control unit M40 sends timed earthed signals from pins 10 and 1 of connector B which control the front courtesy lights G10 and rear ones G25 and G26 .