Kia Optima: Inspection - Ambient Sensor. Repair procedures - Air Conditioning System - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2025 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:

Manual transaxle
...

Air Flow Control (Mode Switch)
The mode selection button controls the direction of the air flow through the ventilation system. The air flow outlet port is same as manual climate control system. Face position Air flow is dir ...

Outside Rearview Mirror Heater
The outside door mirror heater is actuated in connection with the rear window defroster. To heat the outside door mirror glass, push the switch for the rear window defroster. The outside door mir ...

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