With internal AMP
| No. | Connector A (18p) | Connector B (24p) |
|---|---|---|
| 1 | Rear left speaker (+) | CAN - High (e-Call) |
| 2 | Front left speaker (+) | - |
| 3 | Front right speaker (+) | - |
| 4 | Rear right speaker (+) | Steering wheel remote controller |
| 5 | - | - |
| 6 | - | Camera Vin |
| 7 | IGN | Camera B+ |
| 8 | Illumination (+) | AUX Right_input |
| 9 | - | AUX Ground |
| 10 | Rear left speaker (-) | MIC (+) |
| 11 | Front left speaker (-) | ACC |
| 12 | Front right speaker (-) | Battery (+) |
| 13 | Rear right speaker (-) | CAN - Low |
| 14 | P position | - |
| 15 | - | AV Tail |
| 16 | - | Vehicle speed |
| 17 | Illumination (-) | Steering wheel remote (Ground) |
| 18 | Remote antenna | Camera VGND |
| 19 | 　 | Camera REQ |
| 20 | AUX Detect | |
| 21 | AUX Left_input | |
| 22 | MIC (-) | |
| 23 | Camera PGND | |
| 24 | Power GND |
With external AMP
| No. | Connector A (18p) | Connector B (24p) |
|---|---|---|
| 1 | - | CAN - High (e-Call) |
| 2 | - | - |
| 3 | - | - |
| 4 | - | Steering wheel remote controller |
| 5 | SPDIF GND | - |
| 6 | SPDIF ON for AMP | Camera Vin |
| 7 | IGN | Camera B+ |
| 8 | Illumination (+) | AUX Right_input |
| 9 | - | AUX Ground |
| 10 | - | MIC (+) |
| 11 | - | ACC |
| 12 | - | Battery (+) |
| 13 | - | CAN - Low |
| 14 | P position | - |
| 15 | SPDIF DP | AV Tail |
| 16 | - | Vehicle speed |
| 17 | Illumination (-) | Steering wheel remote (Ground) |
| 18 | Remote antenna | Camera VGND |
| 19 | 　 | Camera REQ |
| 20 | AUX Detect | |
| 21 | AUX Left_input | |
| 22 | MIC (-) | |
| 23 | Camera PGND | |
| 24 | Power GND |
Kia Optima Steering wheel buttons
| Switch | Resistance, kΩ |
|---|---|
| Volume down | 6.81 |
| Volume up | 4.61 |
| Mode | 2.11 |
| Seek Up | 1.11 |
| Seek down | 0.430 |
| Bluetooth off | 12.1 |
| Bluetooth on | 34.1 |
| Voice | 3.9 |
| Mute | 0 |
correct
incorrect