Wiring harness plug A, 81-pin, level control module
| Pin | Designation | Pin | Designation |
|---|---|---|---|
| 1 | Terminal 31 | 2 | Terminal 31 |
| 3 | Terminal 15 | 4 | Terminal 30 |
| 5 | Terminal 30 | 6 to 16 | Not used |
| 17 | Air-spring valve, rear right 'ground activation' | 18 | Air-spring valve, front left 'ground activation' |
| 19 | Air-spring valve, front right 'ground activation' | 20 | Air-spring valve, rear left 'ground activation' |
| 21 to 24 | Not used | 25 | Signal for headlight beam adjustment |
| 26 to 30 | Not used | 31 | Compressor relay 'ground activation' |
| 32 | Not used | 33 | Vent valve 'ground activation' |
| 34 | Accumulator valve 'ground activation' | 35 | Not used |
| 36 | Compressor relay 'B+ activation' | 37 | Solenoid block 'B+ activation' |
| 38 to 42 | Not used | 43 | Air-spring valve (vent) 'B+ activation' |
| 44 to 45 | Not used | 46 | Selector switch (level control module) |
| 47 to 52 | Not used | 53 | Door signal |
| 54 | Tyre filling connection 1 | 55 | Tyre filling connection 2 |
| 56 to 60 | Not used | 61 | CAN 'high' |
| 62 | Not used | 63 | Power supply for vehicle level sensor, front left |
| 64 | Power supply for vehicle level sensor, rear left | 65 | Power supply for vehicle level sensor, front right |
| 66 | Power supply for vehicle level sensor, rear right | 67 | Power supply for pressure sensor |
| 68 to 73 | Not used | 74 | Ground for vehicle level sensor, rear right |
| 75 | Ground for vehicle level sensor, rear left | 76 | Ground for vehicle level sensor, front right |
| 77 | Ground for vehicle level sensor, front left | 78 to 79 | Not used |
| 80 | Not used | 81 | CAN 'low' |
CONNECTOR PINS REFERENCE
Wiring harness plug B, 40-pin, level control module (pin assignment includes PASM)
| Pin | Designation | Pin | Designation |
|---|---|---|---|
| 82 | Signal for vehicle level sensor, front left | 83 | Signal for vehicle level sensor, front right |
| 84 | Signal for pressure sensor | 85 | Signal for temperature sensor |
| 86 | Signal for wheel acceleration sensor on air-spring strut, front left (only with PASM) | 87 | Signal for wheel acceleration sensor on air-spring strut, front right (only with PASM) |
| 88 | Not used | 89 | Not used |
| 90 | Signal for vehicle level sensor, rear left | 91 | Signal for vehicle level sensor, rear right |
| 92 | Ground for pressure sensor | 93 | Ground for temperature sensor |
| 94 | Signal for body acceleration sensor, front left (only with PASM) | 95 | Signal for body acceleration sensor, front right (only with PASM) |
| 96 | Signal for body acceleration sensor, rear (only with PASM) | 97 | Not used |
| 98 | Ground for wheel acceleration sensor on air-spring strut, front left (only with PASM) | 99 | Ground for wheel acceleration sensor on air-spring strut, front right (only with PASM) |
| 100 | Ground for tire filling connection on air-spring strut, rear left | 101 | Not used |
| 102 | Ground for body acceleration sensor, front left (only with PASM) | 103 | Ground for body acceleration sensor, front right (only with PASM) |
| 104 | Ground for body acceleration sensor, rear (only with PASM) | 105 | Not used |
| 106 | Power supply for body acceleration sensor, front right (only with PASM) | 107 | Power supply for wheel acceleration sensor on air-spring strut, front right (only with PASM) |
| 108 | Not used | 109 | Power supply for body acceleration sensor, rear left (only with PASM) |
| 110 | Power supply for wheel acceleration sensor on air-spring strut, front right (only with PASM) | 111 | Power supply for body acceleration sensor, front left (only with PASM) |
| 112 | Not used | 113 | Not used |
| 114 | Air-spring strut, rear left 'low' (only with PASM) | 115 | Air-spring strut, front left 'high' (only with PASM) |
| 116 | Air-spring strut, front right 'high' (only with PASM) | 117 | Air-spring strut, front left 'low' (only with PASM) |
| 118 | Air-spring strut, front right 'low' (only with PASM) | 119 | Air-spring strut, rear left 'high' (only with PASM) |
| 120 | Air-spring strut, rear right 'low' (only with PASM) | 121 | Air-spring strut, rear right 'high' (only with PASM) |
CONNECTOR PINS REFERENCE