ELECTRIC SYSTEM
Pegaso 650 I.E. 6.5.8 CHECKING THE COOLANT THERMISTOR OPERATION ◆ Remove the thermistor (1), see 5.5 (REMOVING THE
COOLANT THERMISTOR). ◆ Connect a tester (2) (set as an ohmmeter) to the ther-
mistor (1), as illustrated in the figure. ◆ Immerse the thermistor (1) in a container (3) holding
coolant. ◆ Immerse a thermometer (4) with a 0 to 150 °C (32 to
302 °F) range in the same container. ◆ Place the container on a burner (5) and slowly warm up
the liquid. ◆ Check the temperature indicated on the thermometer
(4) and the thermistor (1) value indicated by the tester. Make sure that the value varies according to the temperature, as indicated.
Water temperature (°C)
(°F)
Standard values (Ω) (± 10%)
0
32
5896
20
68
2500
40
104
1175
60
140
595.5
80
176
322.5
100
212
186.6
NOTE If when the temperature changes the standard values do not change or differ excessively from those indicated in the table, change the thermistor (1).
Release 00/2002-02
6 - 17 - 00