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.
2012 Kia Optima SXFACTORY OEM SERVICE PROCEDURE
Connector A
WARNING: This page is about a different variant/trim than selected.
| No | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| A1 | - | ||
| A2 | NC(Option: B/V_VIDEO) | ||
| A3 | NC(Option: B/V_VIDEO_GND) | ||
| A4 | NC(Option: B/V_P_GND) | ||
| A5 | SPDIF GND | Always | Below 1 ohm |
| A6 | SPDIF + | Digital Audio Signal | 0V↔1.5V level communication |
| A7 | - | ||
| A8 | Illumination + | Engine switch on(ACC) | TYP 14.4V(10.5~16V) |
| A9 | R position | ||
| A10 | - | ||
| A11 | NC(Option: B/V_POWER) | ||
| A12 | Navi voice - | Navi voice used | 5V level Communication |
| A13 | Navi voice + | Navi voice used | 5V level Communication |
| A14 | GND(Camera option: NC) | Always | Below 1 ohm |
| A15 | SPDIF - | Digital Audio Signal | 0V↔1.5V level communication |
| A16 | Door unlock | Door unlock input | under 0.5V |
| A17 | Illumination - | Engine switch on(ACC) | TYP 14.4V(10.5~16V) |
| A18 | Antenna power | Radio selected | 12V |
| No | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| A1 | BATT(+) | Always | 11 ~ 14 V |
| A2 | BATT(+) | Always | 11 ~ 14 V |
| A3 | BATT(+) | Always | 11 ~ 14 V |
| A5 | CAN+ | Engine switch on(ACC) | Approx. 5V level Communication |
| A6 | CAN- | Engine switch on(ACC) | Approx. 5V level Communication |
| A7 | ACC | Engine switch on(ACC) | 11 ~ 14 V |
| A11 | NAVI+ | Navi voice used | 5V level Communication |
| A12 | SW2+ | Sub Woofer Output | |
| A13 | SW1+ | Sub Woofer Output | |
| A14 | GND | Always | Below 1 ohm |
| A15 | GND | Always | Below 1 ohm |
| A16 | GND | Always | Below 1 ohm |
| A18 | SPDIF+ | Digital Audio Signal | 0V↔1.5V level communication |
| A19 | SPDIF- | Digital Audio Signal | 0V↔1.5V level communication |
| A24 | NAVI- | Navi voice used | 5V level Communication |
| A25 | SW2- | Sub Woofer Output | |
| A26 | SW1- | Sub Woofer Output |
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.