The relay T17 for the engine compartment control unit
B1
is supplied by the line for fuse F9 for the engine compartment control
unit
B1
and is energized by the line 'controlled by the
ignition' (INT/A) from fuse 31 of the underdashboard control 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.