125002277 - E3050 ELECTRIC FRONT WINDOWS - FUNCTIONAL DESCRIPTION

Functional description

The services relay T13, located in the unit under the dashboardB2, supplies with the above-mentioned logic and controlled by the Body ComputerM1- pin 14 of connector F - the controls unit on the doorH44- pins 14 and 25 of connector B, via two lines, protected by the fuses F47 and F48.Via the CAN line, the Body ComputerM1is connected to the controls unit on the doorH44.The control unit on the doorH44 is supplied directly at pin 24 of connector B by the line protected by fuse F39 of the junction unit under the dashboard B2.The services relay T12 supplies the driver''s electric window control unitM116 and the passenger electric window control unit M117 pin 20 of connector B through an ignition-operated line (INT/A) protected by fuse F62 of B2. An ignition-operated supply (INT) reaches pin 20 of connector B ofM116 and M117.Pins 9 and 10 of connector A and pin 1 of connector B ofM116 and M117 are earthed.The driver''s electric window control unitM116 and the passenger electric window control unit M117 are supplied directly at pins 2 and 7 of connector A by the line protected by fuses F64 and F65 of the additional fuse box B98.UnitH44 contains the commands for the driver''s and passenger windows, whilst pin 1 of connector A of H44 receives the command from the electric window switch on the passenger door H50 (this is a simple switch and does not include any electronics).The signals are sent from pin1-2 and 13-12 of connector B to the driver''s electric window control unitM116 and to the passenger electric window control unit M117, to pins 7 and 12 of connector BThese control the motorsN60 (driver''s side) and N61 (passenger side) from pins 3 and 8 of connector A.The two Hall effect sensors contained in the motorsN60 and N61 are supplied by the control unit M116 of M117 from pins 12 of connector A, whilst pin 11 provides the reference earth;the control signals are sent from pins 3 of connector B ofM116 or M117 (from sensor ''B) and from pins 4 of connector B of M116 or M117 (from sensor ''A'').The doors open signal, used for the short drop function, reaches pin 11 of connector B of M116 or M117 from the locks N50 and N51 (these are the same signals that light up the timed lights ).