Outback [Legacy] AWD F4-2.5L DOHC (1996)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
ENGINE COOLANT TEMPERATURE SENSOR
The engine coolant temperature sensor is located on the engine coolant pipe which is made of aluminum alloy. Its thermistor changes resistance
with respect to temperature. A engine coolant temperature signal converted into resistance is transmitted to the ECM to control the amount of fuel
injection, ignition timing, etc.