Individual Operation
The engine coolant temperature sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.
Reference data
|
Temperature [ deg. C (deg. F)] |
Voltage* (V) |
Resistance (kOhm) |
|
-10 (14) |
4.29 - 4.50 |
7.0 - 11.4 |
|
20 (68) |
3.48 - 3.58 |
2.37 - 2.63 |
|
50 (122) |
2.03 - 2.49 |
0.68 - 1.00 |
|
90 (194) |
0.97 - 1.04 |
0.236 - 0.260 |
*: These data are reference values and are measured between ECM terminals.