The headlamp washer relay
J50 is supplied
by the line for fuse F5 of the fuse junction unit B1A and is energized
by the line controlled by the ignition (INT/A) from fuse F31 of
the underdashboard junction unit B2.
The relay operates the headlamp washer pump
N25
directly when the command arrives from the Body Computer
M1
.
The Body Computer, in turn, processes the
signal, at pin 14 of connector A, coming from the steering column
switch unit
H5
and the go ahead with the main beam or dipped
headlamps on.