| Number | X-pin, color | Description |
|---|---|---|
| X18126 | 17-pin, black | Connector N9 Radio/Top hifi |
| X18805 | 10-pin | Connector N9 Radio/Top hifi |
| X01131 | 1-pin | Connector N9 Radio/hifi |
| X01127 | 1-pin | Connector N9 Radio/hifi |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | LH front loudspeaker voltage control | Amplifier |
| 2 | A | RH front loudspeaker voltage control | Amplifier |
| 3 | Not used | ||
| 4 | E | Telephone mute signal | Splice, telephone |
| 5 | E | Voltage supply terminal R | Unloader relay, terminal R |
| 6 | Not used | ||
| 7 | E/A | I-bus signal line | Splice X18344 |
| 8 | A | LH front loudspeaker ground control | Amplifier |
| 9 | E | Terminal 30 | Fuse F69 |
| 10 | E | Speed signal | Integrated instrument cluster control module (IKE) |
| 11 | A | RH front loudspeaker ground control | Amplifier |
| 12 | Not used | ||
| 13 | E | Nighttime illumination signal | Light module |
| 14 | Not used | ||
| 15 | M | Radio ground | Ground point |
| 16 | A | Radio ON/antenna signal | Amplifier |
| 17 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | A | Voltage control Audio cassette right | On-board monitor |
| 2 | M | Negative activation Audio cassette right | On-board monitor |
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | M | Low frequency negative signal | Video module |
| 6 | A | Voltage control Audio cassette left | On-board monitor |
| 7 | M | Negative activation Audio cassette left | On-board monitor |
| 8 | Not used | ||
| 9 | Not used | ||
| 10 | M | Low frequency voltage signal | Video module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Antenna signal | Diversity |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Antenna signal | Radio clock receiver Japan Vics receiver |