Kia Cee'd: Troubleshooting / Ambient Temperature Sensor Repair procedures

Kia Cee'd Service Manual / Heating,Ventilation, Air Conditioning / Troubleshooting / Ambient Temperature Sensor Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the ambient temperature sensor.
3.
Check the resistance of the ambient temperature sensor between terminal “+” and “-” whether it is changed by changing of the ambient temperature.

Specification
 
Ambient
temperature
[°C(°F)]
Resistance [kΩ]
Voltage [V]
-30(-22)
480.41
4.71
-20(-4)
271.21
4.50
-10(14)
158.18
4.20
0 (32)
95.10
3.80
10 (50)
58.80
3.31
20 (68)
37.32
2.77
30(86)
24.26
2.24
40(104)
16.13
1.75
50(122)
10.95
1.34

4.
If the measured resistance is not within 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.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front bumper cover.
(Refer to Body - "Front Bumper Cover")
3.
Disconnect the ambient temperature sensor connector (A).

4.
Remove the ambient temperature sensor (B).
5.
Install in the reverse order of removal.
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