Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Kia Sedona LXFACTORY OEM SERVICE PROCEDURE
Assist Power Window Switch
Connector Pin Information
| No. | Connector A | No. | Connector B |
|---|---|---|---|
| 1 | Mirror sensor power_output | 1 | Battery (+) power |
| 2 | Mirror horizontal sensor-input | 2 | - |
| 3 | Mirror vertical sensor-input | 3 | IGN1 |
| 4 | Front assist window switch (Up)_output (Safety) | 4 | Battery (+) |
| 5 | Front assist window switch (Down)_output (Safety) | 5 | - |
| 6 | Front assist auto_output (Safety) | 6 | Mirror common_output |
| 7 | Window lock_output | 7 | Assist mirror heater_output |
| 8 | Rear assist window switch (Up)_output (Safety) | 8 | Pocket lamp_output |
| 9 | Rear assist window switch (Down)_output (Safety) | 9 | Safety power window enable_output |
| 10 | Rear assist auto_output (Safety) | 10 | Front assist window (Up)_output |
| 11 | Mirror sensor GND_output | 11 | Front assist window (Down)_output |
| 12 | Body CAN (Low) | 12 | - |
| 13 | Body CAN (High) | 13 | GND_Power |
| 14 | Door lock_output | 14 | - |
| 15 | - | 15 | - |
| 16 | - | 16 | Battery (+) mirror control |
| 17 | Door unlock_output | 17 | Assist mirror vertical_output |
| 18 | - | 18 | Assist mirror horizontal_output |
| 19 | - | ||
| 20 | GND |
Connector Pin Information
| No. | Connector A (Manual Type) | No. | Connector A (Safety Type) |
|---|---|---|---|
| 1 | - | 1 | Tail lamp-input |
| 2 | Tail lamp-input | 2 | - |
| 3 | Door lock | 3 | Door lock |
| 4 | Door unlock | 4 | Door unlock |
| 5 | - | 5 | - |
| 6 | Battery (+) | 6 | GND |
| 7 | GND | 7 | Battery (+) |
| 8 | Driver window (Up)_input | 8 | - |
| 9 | Driver window (Down)_input | 9 | Auto_output |
| 10 | Front assist window (Up)_output | 10 | Front assist window (Up)_output |
| 11 | Front assist window (Down)_output | 11 | Front assist window (Down)_output |
| 12 | Driver safety enable_input | 12 | - |
Factory Service Tools
Use the Manual With the Right Hardware
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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.