The dipped beam activation signal is sent
to pin 4 of connector D of the Body Computer
M1
from the
stalk unit
H5
.
The Body Computer
M1
controls the
supply to the dipped beam headlamps, sending an earth signal to
the unit under the dashboard
B2
- from pin 8 of connector
F of
M1
- which energizes the relay T1; this supplies the
dipped beam headlamps and gives enablement to the headlamp adjustment
motors
F10
(left) and
F11
(right).
The two electronic circuits inside headlamps
F10
(left) and
F11
(right) are supplied - pin 9
- from the INT line protected by fuse F37 of control unit
B2
.
Pins 12 are both control units are interconnected,
while 10 of the control unit inside headlamp
F10
receives
a speedometer signal from Body Computer
M1
(pin 28 of connector B).
Headlamp
F10
contains built-in
headlamp alignment control unit
M73
, connected to two sensors
(potentiometers) that record ride at front
K1
and rear
K2
.
The headlamp electronic circuits use these signals to automatically
adjust the light beam by means of a motor.