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Component Inspection

CHECK "TRANSAXLE FLUID TEMPERATURE SENSOR"

Ignition "OFF".
Disconnect the "TRANSAXLE FLUID TEMPERATURE SENSOR" connector.

Measure the resistance between terminals "1" and "2" of the "TRANSMISSION FLUID TEMPERATURE SENSOR".

Specification: Refer to "REFERENCE DATA "

TEMPERATURE REFERENCE SPECIFICATION DATA

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

Fig 1: Measuring Resistance Between Terminals Of Transmission Fluid Temperature Sensor

G04862548

Courtesy of KIA MOTORS AMERICA, INC.

Is resistance within specifications?
YES : --> Go to step 2.

NO : --> Replace "TRANSAXLE FLUID TEMPERATURE SENSOR" as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

CHECK PCM
1. Ignition "ON" & Engine "OFF".
2. Connect "TRANSAXLE FLUID TEMPERATURE SENSOR" connector.
3. Install scan tool and select SIMU-SCAN mode.
4. Simulate voltage (0-->5V) to "TRANSMISSION FLUID TEMPERATURE SENSOR" signal circuit.
  
  Fig 2: Transmission Fluid Temperature Sensor - Screen Display
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is FLUID TEMP. SENSOR signal value changed according to simulation voltage?
  YES : --> Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  
  NO : --> Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.