Kia Optima: Air Conditioning System / In-car Sensor

Kia Optima DL3 2019-2021 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / In-car Sensor

Description and operation
Description

The In-car air temperature sensor is built in the heater & A/C control unit.

The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the control unit regulates in-car temperature to intended value.

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 ...

Photo Sensor
Description and operation Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The sol ...

Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: ESC OFF Switch


Description and operation Description 1. The ESC OFF switch is for the user to turn off the ESC system. 2. The ESC OFF lamp is on when ESC OFF switch is engaged. Repair procedures Removal 1. Disconnect the ...

Kia Optima DL3 2019-2021 Owner's Manual: System setting and activation


System setting The Driver Attention Warning system is set to be in the Normal position, when your vehicle is first delivered to you from the factory. To turn ON the Driver Attention Warning system, turn on the engine, and then select 'User Settings → Driver Assistance → Driver Attent ...

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