| PIN NO. | Connector A | Connector B | Connector C |
|---|---|---|---|
| 1 | NC | MM CAN HIGH | NC |
| 2 | PARKING_V_VIDED | NC | NC |
| 3 | PARKING_v_GND | PARKING | NC |
| 4 | R/C SHIELD GND | STEER KEY | MT/TMU GND |
| 5 | SPDIF GND | NC | RS422 TX+ |
| 6 | SPDIF + | IGN | RS422 TX- |
| 7 | ALT-L | NC | RS422 RX- |
| 8 | ILL+ | AUX_R_IN | RS422 RX- |
| 9 | R-POSITION | AUX_GND | NC |
| 10 | NC | MIC+ | NC |
| 11 | R/C POWER | ACC+ | DOOR_OPEN |
| 12 | NAVI VOICE- | BATT+ | GND |
| 13 | NAVI VOICE+ | MM CAN LOW | NC |
| 14 | B/V DET | AUTO LIGHT | NC |
| 15 | SPDIF - | P-POSITION | NC |
| 16 | DOOR UNLOCK | SPEED | NC |
| 17 | ILLL- | KEY GND | NC |
| 18 | ANT REMOTE | NC | NC |
| 19 | NC | NC | |
| 20 | AUX_DETECT | MTS/TMU_VOICE+ | |
| 21 | AUX_L_IN | MTS/TMU_VOICE- | |
| 22 | MIC- | NC | |
| 23 | POWER GND | GND | |
| 24 | POWER GND | NC |
SWC
| Switch | Resistance |
|---|---|
| SEEK UP | 430 Ω |
| SEEK down | 1.1 kΩ |
| Mode | 2.11 kΩ |
| MUTE | 3.11 kΩ |
| Volume up | 4.61 kΩ |
| Volume down | 6.81 kΩ |





