The relay
T17 for the engine compartment junction unit B1
is supplied by the line for fuse F9 for the engine compartment junction
unit B1 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 earth signal arrives from the Body Computer M1.
this signal from pin 14 of connector A is sent according to the
screen washer positive request signal coming from the steering column
switch unit
H5 pin 5 of connector A and the dipped headlamps
activation enablement (pin 2 of connector I of M1).