| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | A | Activation Oxygen sensor heater in front of catalytic converter | Oxygen sensor before catalytic converter |
| | | |
| 2 | | Not used | |
| | | |
| 3 | | Not used | |
| | | |
| 4 | | Not used | |
| | | |
| 5 | | Not used | |
| | | |
| 6 | A | Activation Oxygen sensor heater after catalytic converter | Oxygen sensor after catalytic converter |
| | | |
| 7 | M | Negative activation Oxygen sensor before catalytic converter | Oxygen sensor before catalytic converter |
| | | |
| 8 | | Not used | |
| | | |
| 9 | | Not used | |
| | | |
| 10 | M | Negative activation Oxygen sensor after catalytic converter | Oxygen sensor after catalytic converter |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |
| 13 | | Not used | |
| | | |
| 14 | | Not used | |
| | | |
| 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 | | Not used | |
| | | |
| 23 | A | Signal Activation, main relay | DME relay |
| | | |
| 24 | | Not used | |
| | | |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | E | Signal Air mass flow sensor | Hot-film air mass meter |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E | Signal Intake air temperature | Hot-film air mass meter |
| | | |
| 4 | A | Voltage supply Hot-film air mass meter | Hot-film air mass meter |
| | | |
| 5 | E | Signal Oil level sensor | Oil level sensor |
| | | |
| 6 | A | Signal Fuel injector, cylinder 4 | Fuel injector, cylinder 4 |
| | | |
| 7 | A | Signal Fuel injector, cylinder 3 | Fuel injector, cylinder 3 |
| | | |
| 8 | | Not used | |
| | | |
| 9 | A | Activation VANOS solenoid valve, exhaust | VANOS solenoid valve, exhaust |
| | | |
| 10 | A | Activation VANOS solenoid valve, intake | VANOS solenoid valve, intake |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |
| 13 | A | Signal Fuel injector, cylinder 1 | Fuel injector, cylinder 1 |
| | | |
| 14 | M | Suction jet pump shut-off valve Hot-film air mass meter | Hot-film air mass meter |
| | | |
| 15 | A | Activation Suction jet pump valve | Suction jet pump valve |
| | | |
| 16 | | Not used | |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | A/E | Bi-directional data interface | Alternator |
| | | |
| 20 | | Not used | |
| | | |
| 21 | A | Activation Fuel tank vent valve | Fuel tank vent valve |
| | | |
| 22 | | Not used | |
| | | |
| 23 | | Not used | |
| | | |
| 24 | | Not used | |
| | | |
| 25 | A | Signal Fuel injector, cylinder 2 | Fuel injector, cylinder 2 |
| | | |
| 26 | | Not used | |
| | | |
| 27 | E | Signal Crankshaft sensor | Crankshaft sensor |
| | | |
| 28 | E | Signal Engine coolant temperature sensor | Engine coolant temperature sensor |
| | | |
| 29 | E | Signal Camshaft sensor I | Camshaft sensor I |
| | | |
| 30 | E | Signal Camshaft sensor II | Camshaft sensor II |
| | | |
| 31 | E | Signal Electric throttle valve | Electric throttle valve |
| | | |
| 32 | E | Signal Electric throttle valve | Electric throttle valve |
| | | |
| 33 | E | Signal Double knock sensor | Double knock sensor |
| | | |
| 34 | E | Signal Double knock sensor | Double knock sensor |
| | | |
| 35 | M | Ground Engine coolant temperature sensor | Engine coolant temperature sensor |
| | | |
| 36 | M | Ground Camshaft sensor II | Camshaft sensor II |
| | | |
| 37 | M | Ground, crankshaft sensor | Crankshaft sensor |
| | | |
| 38 | | Not used | |
| | | |
| 39 | | Not used | |
| | | |
| 40 | | Not used | |
| | | |
| 41 | | Not used | |
| | | |
| 42 | A | Activation Electric throttle valve | Electric throttle valve |
| | | |
| 43 | A | Activation Electric throttle valve | Electric throttle valve |
| | | |
| 44 | | Not used | |
| | | |
| 45 | | Not used | |
| | | |
| 46 | E | Signal Double knock sensor | Double knock sensor |
| | | |
| 47 | E | Signal Double knock sensor | Double knock sensor |
| | | |
| 48 | M | Ground Camshaft sensor I | Camshaft sensor I |
| | | |
| 49 | M | Ground Oil level sensor | Oil level sensor |
| | | |
| 50 | A | Voltage supply Electric throttle valve | Electric throttle valve |
| | | |
| 51 | | Not used | |
| | | |
| 52 | M | Ground Electric throttle valve | Electric throttle valve |
| | | |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | | Not used | |
| | | |
| 2 | | Not used | |
| | | |
| 3 | | Not used | |
| | | |
| 4 | A | Activation Electric fan | Electric fan |
| | | |
| 5 | | Not used | |
| | | |
| 6 | | Not used | |
| | | |
| 7 | M | Ground Accelerator pedal module | Accelerator pedal module |
| | | |
| 8 | E | Signal Accelerator pedal module | Accelerator pedal module |
| | | |
| 9 | A | Voltage supply Accelerator pedal module | Accelerator pedal module |
| | | |
| 10 | A | Activation, fuel pump relay | Junction box |
| | | |
| 11 | | Not used | |
| | | |
| 12 | M | Ground Accelerator pedal module | Accelerator pedal module |
| | | |
| 13 | E | Signal Accelerator pedal module | Accelerator pedal module |
| | | |
| 14 | A | Voltage supply Accelerator pedal module | Accelerator pedal module |
| | | |
| 15 | | Not used | |
| | | |
| 16 | | Not used | |
| | | |
| 17 | A | Speed signal | Diagnostic connector |
| | | |
| 18 | | Not used | |
| | | |
| 19 | | Not used | |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | E | Signal Processed wheel speed, rear right | Dynamic stability control (DSC) |
| | | |
| 23 | E | Signal Clutch switch | Clutch switch |
| | | |
| 24 | E | Signal Brake light switch | Brake light switch |
| | | |
| 25 | E | Signal, oil pressure switch | Oil pressure switch |
| | | |
| 26 | E | Terminal 15 | Connector, terminal 15 wake-up |
| | | |
| 27 | | Not used | |
| | | |
| 28 | E | Signal Brake light test signal | Brake light switch |
| | | |
| 29 | | Not used | |
| | | |
| 30 | | Not used | |
| | | |
| 31 | A | Relay activation, electric vacuum pump | Junction box |
| | | |
| 32 | | Not used | |
| | | |
| 33 | E | Signal Electronic vehicle immobilisation | Car access system |
| | | |
| 34 | | Not used | |
| | | |
| 35 | | Not used | |
| | | |
| 36 | E/A | Signal CAN bus high | Connector, CAN bus |
| | | |
| 37 | E/A | Signal CAN bus low | Connector, CAN bus |
| | | |
| 38 | M | Ground Coolant outlet temperature | Coolant outlet temperature sensor |
| | | |
| 39 | E | Signal Coolant outlet temperature | Coolant outlet temperature sensor |
| | | |
| 40 | E | Start signal | Car access system |
| | | |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | | Not used | |
| | | |
| 2 | A | Activation Ignition coil, cylinder 4 | Ignition coil, cylinder 4 |
| | | |
| 3 | A | Activation Ignition coil, cylinder 1 | Ignition coil, cylinder 1 |
| | | |
| 4 | | Not used | |
| | | |
| 5 | M | Ground | Ground point |
| | | |
| 6 | A | Activation Ignition coil, cylinder 2 | Ignition coil, cylinder 2 |
| | | |
| 7 | | Not used | |
| | | |
| 8 | | Not used | |
| | | |
| 9 | A | Activation Ignition coil, cylinder 3 | Ignition coil, cylinder 3 |
| | | |