Quest Minivan XE V6-2960cc 3.0L SOHC MFI (VG30E) (1998)
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Coolant Temperature Sensor/Switch (For Computer): Description and Operation
COMPONENT DESCRIPTION
The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The
modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in
temperature. The electrical resistance of the thermistor decreases as temperature increases.