2017 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE

Connector [A]

Pin Description Condition Input/Output Value
Type Level
1 Solenoid power 1 High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
2 Line pressure control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
3 Engine clutch control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
4 35R clutch control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
7 Inhibitor switch signal 1 High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
8 Inhibitor switch signal 2 High Input 0V/Battery voltage level
Low   9V < Battery voltage level < 16V
9 Sports mode up switch Up ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
22 Solenoid power 2 High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
23 Underdrive brake control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: Solenoid power 2
24 26 brake control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: Solenoid power 2
25 Overdrive clutch control solenoid valve   Output 0V/Battery voltage level
9V < Battery voltage level < 16V
Power supply: Solenoid power 1
26 PWM Command High Input 0V/5V
Low 4V< Battery voltage level <5V
28 Inhibitor switch signal 4 High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
29 Inhibitor switch signal 3 High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
30 Sports mode select switch Sports mode Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
31 Sports mode down switch Down ON Input 0V/Battery voltage level
Other 9V < Battery voltage level < 16V
45 Ground   Ground 0V
46 Ground   Ground 0V
48 Oil temperature sensor (-)   Ground 0V
64 Battery power (B+) ON Ground 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
68 ON/OFF solenoid valve (SS-A) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
69 ON/OFF solenoid valve (SS-B) High Output 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
70 OPU status High Input 0V/Battery voltage level
Low 9V < Battery voltage level < 16V
71 Input speed sensor signal High Input 0.7V/1.4V
Low
72 Output speed sensor signal High Input 0.7V/1.4V
Low
85 Battery power (B+) ON Ground 0V/Battery voltage level
OFF 9V < Battery voltage level < 16V
92 Oil temperature sensor (+) ON Input 0V/3.3V
OFF
93 Input speed sensor power ON Power 0V/11V
OFF
94 Output speed sensor power ON Power 0V/11V
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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