Fiat 1996 Brava Service Manual page 402

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Engine
Fuel system
10.
Coolant temperature sensor
The temperature of the engine coolant is
measured by a sensor which comprises an
NTC resistor where the resistance varies in a
manner which is inversely proportional to the
temperature, as illustrated in the diagram.
The control unit detects the variation in volt­
age proportional to the current intensity cir­
culating in the sensor.
The sensor should be fitted taking care not to
exceed the tightening torque of 15 Nm
RNTC 4OOO-
Rftft
40
10'
V
^
\
v
\
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TEMPERATURE (° C)
uu
80
/U
60
40
20
10
0
10
30 20 10 0 80
T -
100 120 130
* » CO
£ 2 2.6 3 &4
VOLTAGE (V)
4 4 4.6
Copyright by Fiat Auto IX-96 - Update 2 3