3315557 - E2030 FOG LIGHTS - Functional description
Functional description
The front fog lamps
F15
(left) and
F16
(right)
are supplied through the front fog lamps relay
R5
located
in the relay unit
B3
.
The relay is supplied directly from the
battery through the fuse line
F3
of the relay unit
B3
.
The operation of the front fog lamps is
also controlled by the electronic Check device
M45
, which
receives the control signal from the switch and controls the bulbs.
Check device
M45
is supplied directly
from the battery. (maxifuse CENTR of
B5
) to pins 1 and 6
of connector C, via fuse
F11
of junction unit
B1
.
An ignition-operated power supply (INT/A)
reaches pin 9 of connector C through fuse
F1
of junction
unit
B1
: pin 7 of connector C is earthed.
The device
M45
receives as an input
the signal for the front fog lamps switched on from the button located
in unit
H35
- pin 2 of connector A: this signal only arrives
when the side lights are on. In response to this signal, the device
M45
sends - from pin 1 of connector D - the command to the front fog
lamps relay
R5
of
B3
.
At the same time it sends: from pin 7 of
connector B - a signal to unit
H35
so as to light up the
LED near the button which indicates the 'front fog lamps on' function.
The supply for this LED for
H35
is controlled by the ignition (INT/A) via fuse
F5
of junction
unit
B1
; this line allows the control panel
H35
to be lit up when controlled by the ignition (INT/A).