Fiat 1996 Brava Service Manual page 581

Auxiliary units
Climate control
Bravo-Brava
98 range
50.
Frost sensor
The frost sensor is located inside the duc­
t-distributor assembly, fitted directly on the
evaporator and detects the temperature
warning the control unit, if necessary, to
switch off the compressor to avoid freezing.
It consists of NTC sensor (R at 25°C = 10
kOhm), with an operating range of between
-5°C and +25°C.
Electric fan with electronic speed regulator
This fan which sends the outside or recircula-
tion air towards the duct-distributor receives
a 12 V supply and is operated at different
speeds continuously by an electronic regula­
tor positioned nearby.
1. Electric fan
2. Electronic regulator
30 .15
C G N D ) 21 - «|
fe
m
S
Wiring diagram
The electronic regulator receives an input
signal from the control unit and transforms it
into a continuously variable power earth sig­
nal to operate the fan.
A. Electric fan
B. Electronic regulator
C. Electronic control unit
P4A10CH03
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Print no. 506.670/16