Colt Vista AWD L4-1795cc 1.8L SOHC (1993)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
LOCATION
The coolant temperature sensor is located in the thermostat housing.
Coolant Temperature Sensor
CONSTRUCTION
The Coolant Temperature Sensor is a thermistor type sensor.
Coolant Temperature Sensor Circuit
OPERATION
As engine temperature increases, sensor resistance decreases. The ECM monitors engine temperature by the sensor output voltage and provides optimum
fuel enrichment when the engine is cold.
