| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | M | Ground | Ground connector |
| | | |
| 2 | A | Signal Battery charge indicator | Connector terminal 61 |
| | | |
| 3 | A | Engine start signal feedback | Digital motor electronics control unit |
| | | |
| 4 | E | Terminal 30 | Fuse F43 |
| | | |
| 5 | E | Terminal 15 | Fuse F34 |
| | | |
| 6 | E | Terminal R | Fuse F10 |
| | | |
| 7 | E | Signal Locator lighting | Connector, instrument and locator lighting |
| | | |
| 8 | A | Speedometer (A) output signal | Connector Speedometer (A) output signal |
| | | |
| 9 | E/A | CAN bus high | Connector CAN bus high |
| | | |
| 10 | E/A | CAN bus low | Connector CAN bus low |
| | | |
| 11 | A | Signal, fuel tank sensor (right) | Fuel supply sensor |
| | | |
| 12 | A | Signal, fuel tank sensor ground (right) | Fuel supply sensor |
| | | |
| 13 | A | Signal, oil pressure switch | Digital motor electronics control unit |
| | | |
| 14 | E/A | K-bus signal | K-bus connector |
| | | |
| 15 | A | Signal, fuel tank sensor (left) | Electric fuel pump |
| | | |
| 16 | A | Signal, fuel tank sensor ground (left) | Electric fuel pump |
| | | |
| 17 | E | Signal Oil level sensor | Digital motor electronics control unit |
| | | |
| 18 | E | Signal, service interval indicator reset | Diagnostic connector |
| | | |
| 19 | E | Signal Processed wheel speed, rear left | Connector Processed wheel speed, rear left |
| | | |
| 20 | E | Signal Brake fluid level | Connector Brake fluid level |
| | | |
| 21 | A | Signal, airbag warning LED | Multiple restraint system control unit |
| | | |
| 22 | A | Signal Warning lamp | ABS/ASC unit ABS/DSC unit |
| | | |
| 23 | A | Signal Parking brake | Connector Parking brake |
| | | |
| 24 | M | Signal, brake wear sensor | Front left brake pad sensor |
| | | |
| 25 | E/A | Diagnosis signal TXD | Diagnostic connector |
| | | |
| 26 | A | Signal, coolant level too low | Coolant level switch |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Signal, outside temperature | Temperature sensor |
| | | |
| 2 | A | Ground, outside temperature | Temperature sensor |
| | | |
| 3 | | Not used | |
| | | |
| 4 | A | Signal, washer fluid level low | Wash water level switch |
| | | |
| 5 | A | Signal, cruise control active LED Only used on M43 cruise control | Cruise control module |
| | | |
| 6 | E | Signal, airbag warning LED | Rollover sensor |
| | | |
| 7 | E | Reverse, manual transmission, shift to + | Connector Reversing lights |
| | | |
| 8 | | Not used | |
| | | |
| 9 | | Not used | |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | Signal, backrest locking mechanism | Control unit, front passenger seat memory Driver's seat memory control unit |
| | | |
| 13 | A | Signal, steering column switch | Turn indicator/low beam switch |
| | | |
| 14 | A | Signal, gong T3 | Gong |
| | | |
| 15 | | Not used | |
| | | |
| 16 | | Not used | |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |