| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | A/E | Signal PT-CAN low | Power train CAN-bus | 
|   |   |   | 
| 2 | E | Start signal | Car access system | 
|   |   |   | 
| 3 | A/E | BSD signal | Battery sensor | 
|   |   |   | 
| 4 | E | Brake light signal | Brake light switch | 
|   |   |   | 
| 5 |   | Not occupied |   | 
|   |   |   | 
| 6 | E | Signal Temperature sensor at radiator outlet | Temperature sensor at radiator outlet | 
|   |   |   | 
| 7 | E | Signal Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 8 | A | Signal Electric fan | Electric fan | 
|   |   |   | 
| 9 |   | Not occupied |   | 
|   |   |   | 
| 10 | M | Ground Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 11 | A | Supply Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 12 |   | Not occupied |   | 
|   |   |   | 
| 13 | A | Activation Secondary air pump relay | Secondary air pump relay | 
|   |   |   | 
| 14 | A/E | Signal PT-CAN high | Power train CAN-bus | 
|   |   |   | 
| 15 | A/E | PA bus signal | Comfort access control module | 
|   |   |   | 
| 16 | E | Brake light test signal | Brake light switch | 
|   |   |   | 
| 17 | E | Signal, processed wheel speed, front left | Connector X10183 (front left wheel speed) | 
|   |   |   | 
| 18 |   | Not occupied |   | 
|   |   |   | 
| 19 | E | Signal Temperature sensor at radiator outlet | Temperature sensor at radiator outlet | 
|   |   |   | 
| 20 | E | Signal Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 21 | A/E | TD signal | OBDII socket | 
|   |   |   | 
| 22 | E | Signal, electronic vehicle immobilizer | Car access system | 
|   |   |   | 
| 23 | M | Ground Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 24 | A | Supply Accelerator pedal module | Accelerator pedal module | 
|   |   |   | 
| 25 | E | USA Signal Secondary air - hot-film air-mass meter | Secondary air - hot-film air-mass meter | 
|   |   |   | 
| 26 | A | Negative activation E-box fan | E-box fan | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | E | Wake-up signal, terminal 15 | Connector, terminal 15 wake-up | 
|   |   |   | 
| 2 |   | Not occupied |   | 
|   |   |   | 
| 3 |   | Not occupied |   | 
|   |   |   | 
| 4 |   | Not occupied |   | 
|   |   |   | 
| 5 | E | Signal, oxygen sensor | Oxygen sensor 2 before catalytic converter | 
|   |   |   | 
| 6 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter | 
|   |   |   | 
| 7 | E | Signal, oxygen sensor | Oxygen sensor 2 before catalytic converter | 
|   |   |   | 
| 8 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter | 
|   |   |   | 
| 9 | E | Signal, oxygen sensor | Oxygen sensor 2 before catalytic converter | 
|   |   |   | 
| 10 | M | Ground Oxygen sensor before catalytic converter | Oxygen sensor before catalytic converter | 
|   |   |   | 
| 11 | M | Ground Oxygen sensor 2 before catalytic converter | Oxygen sensor 2 before catalytic converter | 
|   |   |   | 
| 12 | E | Signal, oxygen sensor heating | Oxygen sensor before catalytic converter | 
|   |   |   | 
| 13 | E | Signal, oxygen sensor heating | Oxygen sensor 2 before catalytic converter | 
|   |   |   | 
| 14 |   | Not occupied |   | 
|   |   |   | 
| 15 | E | USA Signal, fuel tank leak diagnosis valve | Diagnostic module for fuel tank leakage | 
|   |   |   | 
| 16 | E | USA Signal, fuel tank leak diagnosis pump | Diagnostic module for fuel tank leakage | 
|   |   |   | 
| 17 | E | USA Signal, fuel tank leak diagnosis heating | Diagnostic module for fuel tank leakage | 
|   |   |   | 
| 18 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter | 
|   |   |   | 
| 19 | E | Signal, oxygen sensor | Oxygen sensor 2 behind catalytic converter | 
|   |   |   | 
| 20 | E | Signal, oxygen sensor | Oxygen sensor behind catalytic converter | 
|   |   |   | 
| 21 |   | Not occupied |   | 
|   |   |   | 
| 22 |   | Not occupied |   | 
|   |   |   | 
| 23 | M | Ground Oxygen sensor behind catalytic converter | Oxygen sensor behind catalytic converter | 
|   |   |   | 
| 24 | EM | Ground Oxygen sensor 2 behind catalytic converter | Oxygen sensor 2 behind catalytic converter | 
|   |   |   | 
| 25 | E | Signal, oxygen sensor | Oxygen sensor 2 behind catalytic converter | 
|   |   |   | 
| 26 | E | Signal, oxygen sensor | Oxygen sensor behind catalytic converter | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | E | Supply, terminal 87 | Valvetronic relay | 
|   |   |   | 
| 2 | E | Supply, terminal 87 | Valvetronic relay | 
|   |   |   | 
| 3 | A | Signal, actuator for variable valve timing gear | Actuator, variable valve timing gear | 
|   |   |   | 
| 4 | A | Signal, actuator for variable valve timing gear | Actuator, variable valve timing gear | 
|   |   |   | 
| 5 | A | Signal, actuator for variable valve timing gear | Actuator, variable valve timing gear | 
|   |   |   | 
| 6 | A | Signal, actuator for variable valve timing gear | Actuator, variable valve timing gear | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 |   | Not occupied |   | 
|   |   |   | 
| 2 |   | Not occupied |   | 
|   |   |   | 
| 3 |   | Not occupied |   | 
|   |   |   | 
| 4 | E | Signal Air mass flow sensor | Air mass flow sensor | 
|   |   |   | 
| 5 | M | Not USA: Ground Engine oil pressure sensor | Engine oil pressure sensor | 
|   |   |   | 
| 6 |   | Not occupied |   | 
|   |   |   | 
| 7 | A | Not USA: Supply Engine oil pressure sensor | Engine oil pressure sensor | 
|   |   |   | 
| 8 |   | Not occupied |   | 
|   |   |   | 
| 9 |   | Not occupied |   | 
|   |   |   | 
| 10 |   | Not occupied |   | 
|   |   |   | 
| 11 | E | Not USA: Signal Oil pressure control valve | Oil pressure control valve | 
|   |   |   | 
| 12 | A | Activation Fuel pump relay | Fuel pump relay | 
|   |   |   | 
| 13 | A | Activation DME relay | DME relay | 
|   |   |   | 
| 14 | A | Supply Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 15 | E | Signal Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 16 | E | Signal Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 17 |   | Not occupied |   | 
|   |   |   | 
| 18 | A | Signal, DISA changeover valve | DISA controller 2 | 
|   |   |   | 
| 19 | E | Signal Double knock sensor | Double knock sensor | 
|   |   |   | 
| 20 | E | Signal Double knock sensor | Double knock sensor | 
|   |   |   | 
| 21 |   | Not occupied |   | 
|   |   |   | 
| 22 |   | Not occupied |   | 
|   |   |   | 
| 23 | A | Signal, fuel tank vent valve | Fuel tank vent valve | 
|   |   |   | 
| 24 |   | Not occupied |   | 
|   |   |   | 
| 25 |   | Not occupied |   | 
|   |   |   | 
| 26 |   | Not occupied |   | 
|   |   |   | 
| 27 | M | Ground Air mass flow sensor | Air mass flow sensor | 
|   |   |   | 
| 28 | E | Signal, intake air temperature | Air mass flow sensor | 
|   |   |   | 
| 29 | E | Signal Crankshaft sensor | Crankshaft sensor | 
|   |   |   | 
| 30 | M | Ground Crankshaft sensor | Crankshaft sensor | 
|   |   |   | 
| 31 | A | Supply Intake pipe pressure sensor | Intake pipe pressure sensor | 
|   |   |   | 
| 32 | M | Ground Intake pipe pressure sensor | Intake pipe pressure sensor | 
|   |   |   | 
| 33 | E | Signal Intake pipe pressure sensor | Intake pipe pressure sensor | 
|   |   |   | 
| 34 |   | Not occupied |   | 
|   |   |   | 
| 35 | A/E | BSD signal | Alternator | 
|   |   |   | 
| 36 | E | Signal Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 37 | E | Signal Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 38 | M | Ground Electric throttle valve actuator | Electric throttle valve actuator | 
|   |   |   | 
| 39 | E | Not USA: Signal Engine oil pressure sensor | Engine oil pressure sensor | 
|   |   |   | 
| 40 | A | Signal, DISA changeover valve | DISA controller 1 | 
|   |   |   | 
| 41 | E | Signal Double knock sensor | Double knock sensor | 
|   |   |   | 
| 42 | E | Signal Double knock sensor | Double knock sensor | 
|   |   |   | 
| 43 |   | Not occupied |   | 
|   |   |   | 
| 44 |   | Not occupied |   | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | A | Signal, fuel injector | Fuel injector, cylinder 1 | 
|   |   |   | 
| 2 | A | Signal, fuel injector | Fuel injector, cylinder 2 | 
|   |   |   | 
| 3 | A | Signal, fuel injector | Fuel injector, cylinder 3 | 
|   |   |   | 
| 4 | E | Signal, coolant temperature | Engine coolant temperature sensor | 
|   |   |   | 
| 5 | A | Activation VANOS solenoid valve, intake | VANOS solenoid valve, intake | 
|   |   |   | 
| 6 | E | Signal Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 7 | E | Signal Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 8 | E | Signal Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 9 | E | Signal Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 10 | M | Shielding | Eccentric shaft sensor | 
|   |   |   | 
| 11 | E | Signal Intake camshaft sensor | Intake camshaft sensor | 
|   |   |   | 
| 12 | E | Signal Exhaust camshaft sensor | Exhaust camshaft sensor | 
|   |   |   | 
| 13 | E | Signal, oil pressure switch | Oil pressure switch | 
|   |   |   | 
| 14 | A | Signal, fuel injector | Fuel injector, cylinder 4 | 
|   |   |   | 
| 15 | A | Signal, fuel injector | Fuel injector, cylinder 5 | 
|   |   |   | 
| 16 | A | Signal, fuel injector | Fuel injector, cylinder 6 | 
|   |   |   | 
| 17 | M | Ground Engine coolant temperature sensor | Engine coolant temperature sensor | 
|   |   |   | 
| 18 | A | Activation VANOS solenoid valve, exhaust | VANOS solenoid valve, exhaust | 
|   |   |   | 
| 19 | E | Signal Characteristic map thermostat | Characteristic map thermostat | 
|   |   |   | 
| 20 | M | Ground Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 21 | A | Supply Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 22 | E | Signal Eccentric shaft sensor | Eccentric shaft sensor | 
|   |   |   | 
| 23 | A | Activation, VVT relay | Valvetronic relay | 
|   |   |   | 
| 24 | M | Ground Intake camshaft sensor | Intake camshaft sensor | 
|   |   |   | 
| 25 | M | Ground Exhaust camshaft sensor | Exhaust camshaft sensor | 
|   |   |   | 
| 26 | A/E | BSD signal | Electric coolant pump | 
|   |   |   |