Function And Operation Principle

The CWT Oil Temperature Sensor (OTS) is a negative coefficient thermistor used by the PCM to measure engine oil temperature for the purpose of adjusting CWT calculations.

Fig 1: Identifying CVVT Oil Temperature Sensor

Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Identifying Thermistor, Packing (Rubber), Body And Terminal

Courtesy of KIA MOTORS AMERICA, INC.