| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | | Not used | |
| | | |
| 2 | | Not used | |
| | | |
| 3 | A | Signal, secondary air pump | Secondary air pump relay |
| | | |
| 4 | A | Signal, electric fan | Electric fan |
| | | |
| 5 | M | Ground | Ground point |
| | | |
| 6 | A | Signal, terminal 50 | Car access control unit |
| | | |
| 7 | M | Ground, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 8 | E | Signal, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 9 | A | Supply, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | M | Ground, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 13 | E | Signal, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 14 | A | Supply, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 15 | | Not used | |
| | | |
| 16 | | Not used | |
| | | |
| 17 | A | Speed signal | OBDII socket |
| | | |
| 18 | A | Signal, exhaust flap | Exhaust flap |
| | | |
| 19 | A | Signal, E-box fan | E-box fan |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | E | Signal, processed wheel speed, rear right | Connector X10186 (rear right wheel speed) |
| | | |
| 23 | | Not used | |
| | | |
| 24 | E | Brake light signal | Brake light switch |
| | | |
| 25 | | Not used | |
| | | |
| 26 | E | Wake-up signal, terminal 15 | Connector , terminal 15 wake-up signal |
| | | |
| 27 | | Not used | |
| | | |
| 28 | E | Brake light test signal | Brake light switch |
| | | |
| 29 | | Not used | |
| | | |
| 30 | | Not used | |
| | | |
| 31 | | Not used | |
| | | |
| 32 | A/E | TXD signal | Integrated supply module (IVM) |
| | | |
| 33 | E | Signal, electronic vehicle immobilizer | Car access control unit |
| | | |
| 34 | | Not used | |
| | | |
| 35 | | Not used | |
| | | |
| 36 | A/E | Signal, CAN-bus | CAN-bus connector |
| | | |
| 37 | A/E | Signal, CAN-bus | CAN-bus connector |
| | | |
| 38 | E | Signal, coolant temperature | Engine coolant temperature sensor |
| | | |
| 39 | E | Signal, coolant temperature | Engine coolant temperature sensor |
| | | |
| 40 | A | Signal, start relay | Starter relay |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Signal, oxygen sensor heating | Oxygen sensor before catalytic converter |
| | | |
| 2 | A | Signal, oxygen sensor heating | Oxygen sensor 2 before catalytic converter |
| | | |
| 3 | | Not used | |
| | | |
| 4 | | Not used | |
| | | |
| 5 | | Not used | |
| | | |
| 6 | A | Signal, oxygen sensor heating | Oxygen sensor after catalytic converter |
| | | |
| 7 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter |
| | | |
| 8 | E | Signal, oxygen sensor | Oxygen sensor 2 after catalytic converter |
| | | |
| 9 | E | Signal, oxygen sensor | Oxygen sensor 2 before catalytic converter |
| | | |
| 10 | E | Signal, oxygen sensor | Oxygen sensor after catalytic converter |
| | | |
| 11 | | Not used | |
| | | |
| 12 | A | Signal, oxygen sensor heating | Oxygen sensor 2 after catalytic converter |
| | | |
| 13 | | Not used | |
| | | |
| 14 | E | Signal, oxygen sensor | Oxygen sensor 2 after catalytic converter |
| | | |
| 15 | | Not used | |
| | | |
| 16 | E | Signal, oxygen sensor | Oxygen sensor after catalytic converter |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | | Not used | |
| | | |
| 20 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter |
| | | |
| 21 | | Not used | |
| | | |
| 22 | E | Signal, oxygen sensor | Oxygen sensor 2 before catalytic converter |
| | | |
| 23 | E | Supply, terminal 87 | DME relay |
| | | |
| 24 | | Not used | |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Signal, hot film air mass meter | Hot-film air mass meter |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | Signal, crankshaft sensor | Crankshaft sensor |
| | | |
| 4 | A | Supply, air-mass flow sensor | Hot-film air mass meter |
| | | |
| 5 | A | Supply, electric throttle valve | Electric throttle valve |
| | | |
| 6 | A | Signal, fuel injector | Fuel injector, cylinder 2 |
| | | |
| 7 | A | Signal, fuel injector | Fuel injector, cylinder 4 |
| | | |
| 8 | A | Signal, fuel injector | Fuel injector, cylinder 6 |
| | | |
| 9 | A | Signal, VANOS valve | VANOS solenoid valve, exhaust |
| | | |
| 10 | A | Signal, VANOS valve | VANOS solenoid valve, intake |
| | | |
| 11 | A | Signal, fuel injector | Fuel injector, cylinder 5 |
| | | |
| 12 | A | Signal, thermostat heating | Characteristic map thermostat |
| | | |
| 13 | A | Signal, fuel injector | Fuel injector, cylinder 1 |
| | | |
| 14 | M | Ground, analogue | Hot-film air mass meter |
| | | |
| 15 | M | Ground, electric throttle valve | Electric throttle valve |
| | | |
| 16 | E | Signal, oil pressure switch | Oil pressure switch |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | E/A | Bi-directional data interface | BSD alternator |
| | | |
| 20 | | Not used | |
| | | |
| 21 | A | Signal, fuel tank vent valve | Fuel tank vent valve |
| | | |
| 22 | A | Signal, idle actuator | Idle actuator |
| | | |
| 23 | A | Signal, idle actuator | Idle actuator |
| | | |
| 24 | | Not used | |
| | | |
| 25 | | Not used | |
| | | |
| 26 | A | Signal, fuel injector | Fuel injector, cylinder 3 |
| | | |
| 27 | E | Signal, intake air temperature | Hot-film air mass meter |
| | | |
| 28 | E | Signal, coolant temperature | Engine coolant temperature sensor |
| | | |
| 29 | E | Signal, camshaft sensor | Camshaft sensor I |
| | | |
| 30 | E | Signal, camshaft sensor | Camshaft sensor II |
| | | |
| 31 | E | Signal, throttle valve position | Electric throttle valve |
| | | |
| 32 | E | Signal, throttle valve position | Electric throttle valve |
| | | |
| 33 | E | Signal, knock sensor | Double knock sensor |
| | | |
| 34 | E | Signal, knock sensor | Knock sensor 2 |
| | | |
| 35 | M | Ground, coolant temperature sensor | Engine coolant temperature sensor |
| | | |
| 36 | M | Camshaft sensor ground | Camshaft sensor I |
| | | |
| 37 | M | Ground, crankshaft sensor | Crankshaft sensor |
| | | |
| 38 | | Not used | |
| | | |
| 39 | A | Signal, secondary air pump valve | Secondary air pump valve |
| | | |
| 40 | A | Signal, DISA changeover valve | Valve, individual control intake system |
| | | |
| 41 | | Not used | |
| | | |
| 42 | A | Signal, actuator for electric throttle valve | Electric throttle valve |
| | | |
| 43 | A | Signal, actuator for electric throttle valve | Electric throttle valve |
| | | |
| 44 | E | Signal, oil temperature | Oil temperature sensor |
| | | |
| 45 | M | Signal, rear seat heating relay | Oil temperature sensor |
| | | |
| 46 | E | Signal, knock sensor | Double knock sensor |
| | | |
| 47 | E | Signal, knock sensor | Double knock sensor |
| | | |
| 48 | | Not used | |
| | | |
| 49 | M | Camshaft sensor ground | Camshaft sensor II |
| | | |
| 50 | | Not used | |
| | | |
| 51 | | Not used | |
| | | |
| 52 | | Not used | |
| | | |