Sonata V6-3.0L (1991)
Coolant Temperature Sensor/Switch (For Computer): Description and Operation
Coolant Temperature Sensor
Coolant Temperature Sensor Location
The Coolant Temperature Sensor installed in the engine coolant passage of the intake manifold is a resistor-based sensor. The ECU judges engine
warm-up state by the sensor output voltage and provides optimum fuel enrichment when the engine is cold.
