Kia Optima Hybrid: Air Conditioning System / Ambient Sensor Description and Operation

Description
1.
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 temperatures.
2.
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 0°C (32.0°F), the A/C compressor will be stopped.
The compressor will be operated by manual operating.
Photo Sensor Repair procedures

Inspection 1. Ignition "ON" 2. Using the scan tool. 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 ...

Ambient Sensor Repair procedures

Inspection 1. Ignition "OFF" 2. Disconnect ambient temperature sensor. 3. Check the resistance of ambient temperature sensor between terminals 1 and 2 whether it is changed by changing of the ambient temperature. ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Coolant Repair procedures


Refilling And Bleeding     Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator.     When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Temperature Control Actuator Description and Operation


Description 1. Heater unit includes mode control actuator and temperature control actuator. 2. Temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temperature door by operating temperature switch ...

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