Transaxle Oil Temperature Sensor: Inspection

Remove the battery terminal.
Lift the vehicle.
Remove the side cover (A) (bolt: 2EA).

Fig 1: Identifying Side Cover
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the fluid temperature sensor connector (A).

Fig 2: Identifying Fluid Temperature Sensor Connector
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Measure the resistance between terminals "1" and "2" of the fluid temperature sensor connector on the transaxle case.

Fig 3: Measuring Resistance Between Terminals Of Fluid Temperature Sensor Connector

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TEMPERATURE SPECIFICATIONS

Temp. [°C (°F)]	Resistance (kΩ)	Temp. [°C (°F)]	Resistance (kΩ)
-40 (-40)	139.5	80 (176)	1.08
-20 (-4)	47.7	100 (212)	0.63
0 (32)	18.6	120 (248)	0.38
20 (68)	8.1	140 (284)	0.25
40 (104)	3.8	160 (320)	0.16
60 (140)	1.98

If the result isn't within the standard value, remove the valve body cover.
Replace the fluid temperature sensor (A).

Fig 4: Identifying Oil Temperature Sensor
Courtesy of KIA MOTORS AMERICA, INC.