Rio Cinco L4-1.6L DOHC 16V (2003)
Evaporator Temperature Sensor / Switch: Testing and Inspection
THERMOSTATIC SWITCH (THERMISTOR)
SENSOR CHECKING
The thermistor will detect the core temperature and interrupt compressor relay power, in order to prevent evaporator freezing by excessive cooling.
The thermistor is an NTC device.
THERMISTOR CHECK
1. Remove the glove box.
2. Start the engine.
3. Turn on the air conditioner.
4. Using the multi-tester, check the output voltage between terminals 2 and 3 in the thermistor.
