2892547 - E3050 ELECTRIC FRONT WINDOWS - Functional description (ELX setup, Right hand drive)
Functional description
The special front electric windows control
unit
M81
ensures the correct operation of the circuit.
The direct supply from the battery reaches
the control unit
M81
(pin 30) from the line for the maxifuse
J/B2
for
B5
protected by fuse
B22
, pin
31 provides the reference earth for the control unit.
The control unit is then supplied at pin
15 from the line controlled by the ignition (INT) protected by fuse
F8
for the junction unit
B1
.
The switches
H40
(left electric
window),
H41
(right electric window in left front door) and
H50
(right electric window in right front door) are supplied
directly by the actual control unit, at pin 87 (common supply).
There are two further connections, for the left electric window
H40
, at pins
P9
and
P10
, which receive the command
signals for the left front electric window motor
N60
, operated
by the control unit by pins M4 and M5.
The right front electric window motor
N61
is operated directly by the switches
H41
and
H50
, which provide suitable earth and supply signals to determine the
direction of rotation of the motor.
All the switches have specific LEDs which
light up when they are supplied.