| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Upper chamber of lumbar support, front passenger's side | Valve block, passenger's lumbar support |
| | | |
| 2 | M | Negative activation | Control unit, front passenger seat memory (2-door) Seat adjustment switch, front passenger's seat |
| | | |
| 3 | A | Negative activation | Motor, passenger's lumbar support |
| | | |
| 4 | E | Voltage supply | Control unit, front passenger seat memory (2-door) Seat adjustment switch, front passenger's seat |
| | | |
| 5 | A | Signal Pump for lumbar support | Valve block, passenger's lumbar support |
| | | |
| 6 | A | Lower chamber of lumbar support, front passenger's side | Valve block, passenger's lumbar support |
| | | |