Headlamp washer - functional description
- Make
- Alfa Romeo
- Model
- GT Factory Service Manual
- Year
- 2003–2010
- Section
- Electrically activated devices › Headlamp washer - functional description
HEADLAMP WASHER - FUNCTIONAL DESCRIPTION
Functional description
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.
Functional description
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.
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