A/C System Components Description

Evaporator Thermistor 

A thermistor (1) is a temperature sensor to sense the temperature of air discharged from evaporator.

Fig 1: Identifying Thermistor

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The electrical characteristic is shown.

When temperature is lower than specified, A/C controller makes magnet clutch turn off to prevent evaporator from frosting.

Fig 2: Temperature - Resistance Characteristic Graph

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