2018 Kia Soul Base, Automatic TransFACTORY OEM SERVICE PROCEDURE

TCM Terminal Input/Output Signal

CONNECTOR PIN DESCRIPTION (A)

Pin Description Condition Input/output value
Type Level
5 Input speed sensor power ON Power 0V/7.5V
OFF
6 Output speed sensor power ON Power 0V/7.5V
OFF
24 26 brake control solenoid valve (26/B_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
25 ON/OFF solenoid valve A (SS-A) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
43 Torque converter control solenoid valve (T/CON_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
44 35R clutch control solenoid valve (35R/C_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
45 Line pressure control solenoid valve (LINE_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
46 ON/OFF solenoid valve A (SS-B) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
66 Overdrive clutch control solenoid valve (OD/C_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
67 Underdrive brake control solenoid valve (UD/B_VFS) - Output 0V/Battery voltage level
9V < Battery voltage level < 16V
77 Inhibitor switch signal "S4" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
78 Inhibitor switch signal "S1" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
79 Oil temperature sensor (-)   Ground 0V
81 Oil temperature sensor (+) ON Input 0V/3.3V
OFF
82 Manual mode up switch Up ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
83 Manual mode select switch Manual mode Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
84 Manual mode down switch Down ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
87 Solenoid valve power 1 (A45, A67, A24, A46) - Power Battery voltage level
9V < Battery voltage level < 16V
88 Solenoid valve power 2 (A43, A66, A44, A25) - Power Battery voltage level
9V < Battery voltage level < 16V
98 Inhibitor switch signal "S2" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
99 Inhibitor switch signal "S3" High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
103 Output speed sensor signal High Input 0.7V/1.4V
Low
104 Input speed sensor signal High Input 0.7V/1.4V
Low
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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