Main unit, Audio System
AUDIO SYSTEM MAIN UNIT TECHNICAL DATA
| Location | In the centre console | |
| Number of pins | 26 | |
| Power supply (+30 circuit) : | pin no. | 8 |
| Power supply (+15 circuit) : | pin no. | 2 |
| Ground : | pin no. | 4 |
| Trigger voltage : | pin no. | 7 |
| Instrument bus, I-BUS (+) : | pin no. | 18 |
| Instrument bus, I-BUS (-) : | pin no. | 17 |
| Closed-circuit current consumption : | mA | < 0.1 |
| Max. current consumption : | A | < 3 |