The headlamp washer delay unit
R3
is located in junction
unit
B1
.
It is supplied (pin 30) directly from the
battery. (maxifuse CENTR of
B5
) through fuse
F12
of junction unit
B1
; pin 31 is earthed.
from the direct line from the battery through
fuse
F12
and the maxifuse J/B2 of
B5
.
The device only works with the dipped headlamps
on: pin 56 receives a signal from the line coming from the circuit
for the dipped headlamps (
See E2011 DIPPED HEADLAMPS
):
the dipped headlamps switch for the exterior lights
H6
receives
a supply controlled by the ignition (INT/A) at pin 7, via fuse
F1
of junction unit
B1
; when the lights are on, the command
is sent, via the steering column switch unit
B5
, to pin
6 of connector B of
M45
: in response to this signal the
Check device
M45
commands the supply of the dipped beam
headlamps, from pin 5 of connector D. This signal energizes the
relay
R1
, located in the relay control unit
B3
,
which supplies the dipped headlamps via the line for fuse
F7
of
B3
and the headlamps washer device
R3
of
B1
.
- pin 56.
The windscreen wiper motor
N15
is
supplied from pin 1 of connector B stalk unit
H5
.
If the windscreen washer switch of the stalk
unit
H5
is operated, a command signal is sent to the windscreen
wiper motor
N15
- pin 4 of connector B.
The command signal for operating the headlamp
washer is sent to pin S of
R3
.
In response to both signals at pins S and
56, the device
R3
of
B1
supplies - from pin P - the
headlamp washer pump
N25
with pulses of about half a second.