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.
2019 Kia Optima EXFACTORY OEM SERVICE PROCEDURE
Components & Components Location: Components
WARNING: This page is about a different variant/trim than selected.
CONNECTOR PIN INFORMATION
| No. | Connector A | No. | Connector B |
|---|---|---|---|
| 1 | BATT (+) | 1 | Subwoofer2 (+) |
| 2 | BATT (+) | 2 | Subwooferl (+) |
| 3 | BATT (+) | 3 | Front right door speaker (+) |
| 4 | BATT (+) | 4 | Front left door speaker (+) |
| 5 | - | 5 | - |
| 6 | Multimedia CAN (High) | 6 | - |
| 7 | Multimedia CAN (Low) | 7 | - |
| 8 | ACC | 8 | - |
| 9 | Navigation voice (+) | 9 | - |
| 10 | - | 10 | - |
| 11 | - | 11 | - |
| 12 | Front right midrange speaker (+) | 12 | Rear right door speaker (+) |
| 13 | Front left midrange speaker (+) | 13 | Rear left door speaker (+) |
| 14 | Front center speaker (+) | 14 | Right surround speaker (+) |
| 15 | - | 15 | Left surround speaker (+) |
| 16 | Ground | 16 | Subwoofer2 (-) |
| 17 | Ground | 17 | Subwooferl (-) |
| 18 | Ground | 18 | Front right door speaker (-) |
| 19 | Ground | 19 | Front left door speaker (-) |
| 20 | SPDIF (High) | 20 | - |
| 21 | SPDIF (Low) | 21 | - |
| 22 | SPDIF ground (Shield) | 22 | - |
| 23 | Navigation voice (-) | 23 | - |
| 24 | - | 24 | - |
| 25 | Front right midrange speaker (-) | 25 | Rear right door speaker (-) |
| 26 | Front left midrange speaker (-) | 26 | Rear left door speaker (-) |
| 27 | Front Center speaker (-) | 27 | Right surround speaker (-) |
| 28 | - | 28 | Left surround speaker (-) |
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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