Kia Optima: Inspection - Ambient Sensor. Repair procedures - Air Conditioning System - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2020 Service ManualKia Optima: 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.

1. Sensor Ground
2. Ambient Sensor Signal

Specification

Ambient temperature
[°C(°F)]
Resistance between terminals 1and 2 (kΩ)
-30(-22)
480.41
-20(-4)
271.21
-10(14)
158.18
0 (32)
95.10
10 (50)
58.80
20 (68)
37.32
30(86)
23.76
40(104)
16.13
50(122)
10.95

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.

Ambient Sensor. Repair procedures
...

Replacement
1. Disconnect the negative (-) battery terminal. 2. Loosen the mounting bolts and then remove the under cover (A). 3. Disconnect the connector ...

See also:

Intake Air Temperature Sensor (IATS). Schematic Diagrams
Circuit Diagram ...

Headlight Aiming Adjustment
Before performing aiming adjustment, make sure of the following. 1. Keep all tires inflated to the correct pressure. 2. Place the vehicle on level ground and press the front bumper & rear bump ...

Fuel Pressure Control Valve. Specifications
Specification Item Specification Coil Resistance (Ω) 0.5 [20°C(68°F) ...

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