| Multipin plug connection -A-, 16-pin, two-piece |
| 2 - | Speaker + front right |
| 6 - | Speaker - front right |
| 9 - | Convenience system CAN bus (high) |
| 10 - | Convenience system CAN bus (low) |
| 16 - | Terminal 30 - (anti-theft code control signal, „SAFE“) |
| Multipin plug connection -B-, 12-pin |
| 1 - | AUX/MDI - input, left channel |
| 2 - | CD changer, audio, earth. As of MY 07 - AUX /MDI - audio earth |
| 3 - | As of MY 07 - CD changer, audio earth |
| 4 - | CD changer/MDI, voltage supply terminal 30 |
| 6 - | CD changer, DATA output |
| 7 - | AUX/MDI - input, right channel |
| 8 - | CD changer, left channel, CD/L |
| 9 - | CD changer, right channel, CD/R |
| 10 - | CD changer, control signal |
| 11 - | CD changer, DATA input |
| Multipin plug connection -C-, 12-pin |
| 5 - | Telephone input signal, L - |
| 6 - | Telephone input signal, R - |
| 11 - | Telephone input signal, L + |
| 12 - | Telephone input signal, R + |
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