Fiat Brava Service Manual page 137

Fault diagnosis
Analytical charts
Bravo-Brava
55D.
Check the condition of the
fuel level warning light K in
the fuel level circuit J in the
instrument panel 6
Not OK Overhaul or replace the
warning light K or the circuit
J in the instrument panel 6,
or overhaul the instrument
panel 6
The engine coolant temperatuie gauge is not working
Extract the connector for the
engine coolant temperature
sensor 158 from its housing,
connect the terminal for a
resistor around 100 ohm in
series to the HB coloured
cable and connect the other
terminal to earth so that the
temperature gauge X in the
instrument panel signals the
end of scale - maximum
temperature
OK
Replace the engine coolant
temperature sensor 158
Not OK
Extract connector 55 from
its housing, connect the ter­
minal of a resistor around
100 ohm in series to the H B
coloured cable and connect
the other terminal to earth,
so that the temperature
gauge X in the instrument
panel signals the end of
scale - maximum tempera­
ture
OK Restore the continuity of the
HB coloured cable between
connector 55 & temperature
sensor 158
Not OK
110 Print no. 506.670/02