Kia Rio: Heating,Ventilation, Air Conditioning / Ambient Temperature Sensor
Description and operation
| Description |
The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.
The sensor output will be used for discharge temperature control, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control.
If the ambient temperature is below 1.0°C (33.8°F), the A/C compressor will be stopped.The compressor will be operated by manual operating. |
Repair procedures
| Inspection |
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect ambient temperature sensor. |
| 3. |
Check the resistance of ambient temperature sensor between terminal “+” and “-” whether it is changed by changing of the ambient temperature.
Specification
|
| 4. |
If the measured resistance is not specification, substitute with a known-good ambient temperature sensor and check for proper operation. |
| 5. |
If the problem is corrected, replace the ambient temperature sensor. |
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the front bumper. (Refer to Body - "Front Bumper Assembly") |
| 3. |
Disconnect the ambient temperature sensor connector (A).
|
| 4. |
Remove the ambient temperature sensor (A).
|
| 5. |
Installation is the reverse order of removal. |
Photo Sensor (FATC only)
Description and operation
Description
The photo sensor is located at the center of defrost nozzles.
The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar
...
Auto Defogging Sensor (FATC only)
Description and operation
Description
The Auto Defogging Sensor is installed on front windshild glass. The Auto Defogging
Sensor senses moisture on the windshild. The air conditioner c ...
Other information:
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