Kia Rio: Air Conditioning System / 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 radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control module so that the solar radiation compensation will be performed.
Repair procedures
| Inspection |
| 1. |
Turn the ignition switch ON. |
| 2. |
Connect the GDS. |
| 3. |
Emit intensive light toward photo sensor using a lamp, and check the output voltage change. |
| 4. |
The voltage will rise with higher intensive light and reduce with lower intensive light.
|
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
With a flat-head screwdriver, remove the photo sensor (A) from the center of defrost nozzle after disconnecting the connector (B).
|
| 3. |
Install in the reverse order of removal. |
Evaporator Temperature Sensor
Description and operation
Description
The evaporator temperature sensor will detect the evaporator core temperature
and interrupt compressor relay power in order to prevent evaporator ...
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; res ...
Other information:
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