300SE (140.032) L6-3.2L (104.990) (1992)
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation
GF07.04-P-5026-04GA Coolant Temperature Sensor Function
The NTC resistor (3) integrated in the coolant temperature sensor (B11/3) alters its electrical resistance in line with the coolant temperature. NTC means
negative temperature coefficient, in other words the electrical resistance (R) becomes less as the temperature (T) rises.
Example:
Coolant temperature
Resistance
20 degrees C
2500 Ohms ±5%
80 degrees C
300 Ohms ±5%
