Allocation of the channels of the black 32 -way connector
| Channel No. | Designation |
| A1 | Not connected |
| A2 | Body height sensor supply (Rear ) (+) |
| A3 | Not connected |
| A4 | Not connected |
| B1 | Not connected |
| B2 | Body height sensor supply (Before ) (+) |
| B3 | Not connected |
| B4 | Information RCD |
| C1 | Not connected |
| C2 | IS CAN High |
| C3 | Not connected |
| C4 | IS CAN Low |
| D1 | Body height sensor supply (Rear ) (-) |
| D2 | Not connected |
| D3 | Not connected |
| D4 | Not connected |
| E1 | Body height sensor supply (Before ) (+) |
| E2 | Line k information |
| E3 | Not connected |
| E4 | Body height sensor signal (Rear ) |
| F1 | Not connected |
| F2 | Integrated electric motor control |
| F3 | Not connected |
| F4 | Front body height sensor signal |
| G1 | Not connected |
| G2 | Front hydractive electrovalve control |
| G3 | Front hydractive electrovalve supply (+) |
| G4 | Rear hydractive electrovalve supply (+) |
| H1 | Body earth |
| H2 | Rear hydractive electrovalve control |
| H3 | Not connected |
| H4 | +Battery |