| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 | A | Signal, refrigerant control valve | Control valve, refrigerant compressor | 
|   |   |   | 
| 2 | A | Signal, water valve | Water valves | 
|   |   |   | 
| 3 |   | Not occupied |   | 
|   |   |   | 
| 4 | A | Signal, open glove compartment | Unlock drive unit, glove compartment | 
|   |   |   | 
| 5 | A | Signal, ECO valve | ECO valve | 
|   |   |   | 
| 6 | A | Signal, ECO valve | ECO valve | 
|   |   |   | 
| 7 | A | Signal, refrigerant control valve | Control valve, refrigerant compressor | 
|   |   |   | 
| 8 |   | Not occupied |   | 
|   |   |   | 
| 9 |   | Not occupied |   | 
|   |   |   | 
| 10 |   | Not occupied |   | 
|   |   |   | 
| 11 |   | Not occupied |   | 
|   |   |   | 
| 12 | A | Signal, automatic soft close drive, trunk lid/tailgate | Relay, automatic soft-close | 
|   |   |   | 
| 13 |   | Not occupied |   | 
|   |   |   | 
| 14 | A | Signal, central arrest motor | System lock, driver's door | 
|   |   |   | 
| 15 | A | Signal, central arrest motor | System lock, passenger's door | 
|   |   |   | 
| 16 | A | Signal, ZV drive, fuel filler flap | Central locking drive, fuel filler flap | 
|   |   |   | 
| 17 | A | Signal, lock motor | System lock, passenger's door | 
|   |   |   | 
| 18 | A | Unlock motor signal | System lock, driver's door | 
|   |   |   | 
| 19 | A | Unlock motor signal | System lock, passenger's door | 
|   |   |   | 
| 20 | A | Signal, ZV drive, fuel filler flap | Central locking drive, fuel filler flap | 
|   |   |   | 
| 21 | A | Activation Windshield washer pump | Windshield washer pump | 
|   |   |   | 
| 22 | A | Activation Rear window washer pump | Rear window washer pump | 
|   |   |   | 
| 23 | M | Ground | Ground point | 
|   |   |   | 
| 24 | A | Open window signal | Power window motor, rear driver's side | 
|   |   |   | 
| 25 | A | Close window signal | Power window motor, rear driver's side | 
|   |   |   | 
| 26 | A | Open window signal | Power window motor, rear passenger's side | 
|   |   |   | 
| 27 | A | Close window signal | Power window motor, rear passenger's side | 
|   |   |   | 
| 28 | A | Signal, washer nozzle heating | Heated washer nozzle, left | 
|   |   |   | 
| 29 |   | Voltage supply, outside mirror heating | Outside mirror, driver's side | 
|   |   |   | 
| 30 |   | Not occupied |   | 
|   |   |   | 
| 31 | A | Signal, washer nozzle heating | Heated washer nozzle, right | 
|   |   |   | 
| 32 |   | Voltage supply, outside mirror heating | Outside mirror, passenger's side | 
|   |   |   | 
| 33 | A | Signal, water valve | Water valves | 
|   |   |   | 
| 34 | A | Signal, seat heating | Driver's seat heating module | 
|   |   |   | 
| 35 | A | Signal, load cutout | Rear power distribution box | 
|   |   |   | 
| 36 | A | Signal, lock motor | System lock, driver's door | 
|   |   |   | 
| 37 | A | Signal, auxiliary water pump | Auxiliary water pump | 
|   |   |   | 
| 38 | A | Signal, seat heating | Passenger's seat heating module | 
|   |   |   | 
| 39 | A | Unlock motor signal | Central locking drive, trunk lid | 
|   |   |   | 
| 40 | A | Signal, load cutout | Rear power distribution box | 
|   |   |   | 
| 41 |   | Not occupied |   | 
|   |   |   | 
| 42 | A | Signal, central arrest motor | System lock, rear driver's side | 
|   |   |   | 
| 43 | A | Signal, central arrest motor | System lock, rear passenger's side | 
|   |   |   | 
| 44 | A | Signal, lock motor | System lock, rear driver's side | 
|   |   |   | 
| 45 | A | Signal, lock motor | System lock, rear passenger's side | 
|   |   |   | 
| 46 | A | Unlock motor signal | System lock, rear driver's side | 
|   |   |   | 
| 47 | A | Unlock motor signal | System lock, rear passenger's side | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 |   | Signal PT-CAN high | CAN-bus connector | 
|   |   |   | 
| 2 |   | Signal PT-CAN low | CAN-bus connector | 
|   |   |   | 
| 3 |   | Not occupied |   | 
|   |   |   | 
| 4 |   | Not occupied |   | 
|   |   |   | 
| 5 |   | Not occupied |   | 
|   |   |   | 
| 6 |   | Not occupied |   | 
|   |   |   | 
| 7 | E | Signal Fuel level sensor, left tank half | Fuel level sensor, left tank half | 
|   |   |   | 
| 8 | M | Ground Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer | 
|   |   |   | 
| 9 | E | Signal Fuel level sensor, right tank half | Electric fuel pump | 
|   |   |   | 
| 10 | A/E | CAN bus low | CAN-bus connector | 
|   |   |   | 
| 11 | E | Signal Automatic soft-close drive, trunk lid/tailgate | Automatic soft-close drive, trunk lid/tailgate | 
|   |   |   | 
| 12 | A | Supply Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer | 
|   |   |   | 
| 13 |   | Not occupied |   | 
|   |   |   | 
| 14 | E | Signal, power window switch | Power window switch, rear passenger's side | 
|   |   |   | 
| 15 | E | Signal, power window switch | Power window switch, rear driver's side | 
|   |   |   | 
| 16 | E | Signal, AUC sensor | AUC sensor | 
|   |   |   | 
| 17 | A/E | Signal, diagnosis CAN-High | OBDII socket | 
|   |   |   | 
| 18 | E | Signal, seat backrest lock, 2nd Row of seats | Rear bench seat switch, right | 
|   |   |   | 
| 19 |   | Not occupied |   | 
|   |   |   | 
| 20 | E | Signal, electric auxiliary heater | Digital diesel electronics control module | 
|   |   |   | 
| 21 |   | Not occupied |   | 
|   |   |   | 
| 22 |   | Not occupied |   | 
|   |   |   | 
| 23 |   | Not occupied |   | 
|   |   |   | 
| 24 | E | Signal Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer | 
|   |   |   | 
| 25 | E | Signal, power window Hall sensor | Power window motor, rear passenger's side | 
|   |   |   | 
| 26 | M | Ground Coolant pressure sensor | Coolant pressure sensor | 
|   |   |   | 
| 27 | E | Signal, power window Hall sensor | Power window motor, rear driver's side | 
|   |   |   | 
| 28 | E | Signal, power window switch | Power window switch, passenger's door | 
|   |   |   | 
| 29 | E | Signal, power window Hall sensor | Power window motor, rear driver's side | 
|   |   |   | 
| 30 | A | Supply Coolant pressure sensor | Coolant pressure sensor | 
|   |   |   | 
| 31 | E | Signal, washer fluid level | Washer fluid level switch | 
|   |   |   | 
| 32 | E | Signal Glove compartment button | Glove compartment button | 
|   |   |   | 
| 33 | A/E | Signal, diagnosis CAN-Low | OBDII socket | 
|   |   |   | 
| 34 | E | Signal Fuel level sensor, left tank half | Fuel level sensor, left tank half | 
|   |   |   | 
| 35 | A | Return contact, wiper rest position | Wiper motor | 
|   |   |   | 
| 36 | A | Return contact, wiper rest position | Wiper drive, rear | 
|   |   |   | 
| 37 |   | Not occupied |   | 
|   |   |   | 
| 38 |   | Not occupied |   | 
|   |   |   | 
| 39 |   | Not occupied |   | 
|   |   |   | 
| 40 |   | Not occupied |   | 
|   |   |   | 
| 41 |   | Not occupied |   | 
|   |   |   | 
| 42 |   | Not occupied |   | 
|   |   |   | 
| 43 |   | Not occupied |   | 
|   |   |   | 
| 44 | E | Signal Trunk lid button | Trunk lid button | 
|   |   |   | 
| 45 | A | Wake-up signal, terminal 15 | Connector , terminal 15 wake-up signal | 
|   |   |   | 
| 46 | A/E | CAN bus high | CAN-bus connector | 
|   |   |   | 
| 47 | E | Signal, power window Hall sensor | Power window motor, rear driver's side | 
|   |   |   | 
| 48 | E | Signal, power window Hall sensor | Power window motor, rear passenger's side | 
|   |   |   | 
| 49 | E | Signal, power window Hall sensor | Power window motor, rear passenger's side | 
|   |   |   | 
| 50 | E | Signal Central locking drive, trunk lid | Central locking drive, trunk lid | 
|   |   |   | 
| 51 | E | Signal Coolant pressure sensor | Coolant pressure sensor | 
|   |   |   | 
| 52 | E | Signal Fuel level sensor, right tank half | Electric fuel pump | 
|   |   |   | 
| 53 | E | Supply Junction box, electronics | Fuse F124 | 
|   |   |   | 
| 54 | E | Signal, coolant level | Coolant level switch | 
|   |   |   | 
		
	
	
	
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|
| 1 |   | Not occupied |   | 
|   |   |   | 
| 2 | E | Signal, fanfare (horn) | Steering column switch cluster | 
|   |   |   | 
| 3 |   | Not occupied |   | 
|   |   |   | 
| 4 |   | Not occupied |   | 
|   |   |   | 
| 5 |   | Not occupied |   | 
|   |   |   | 
| 6 |   | Not occupied |   | 
|   |   |   | 
| 7 |   | Not occupied |   | 
|   |   |   | 
| 8 | M | Ground Hazard warning switch | Hazard warning switch | 
|   |   |   | 
| 9 |   | Not occupied |   | 
|   |   |   | 
| 10 | A/E | CAN bus high | Heating/air conditioning system | 
|   |   |   | 
| 11 | A/E | CAN bus high | CAN-bus connector | 
|   |   |   | 
| 12 | A/E | CAN bus low | Heating/air conditioning system | 
|   |   |   | 
| 13 |   | Not occupied |   | 
|   |   |   | 
| 14 |   | Not occupied |   | 
|   |   |   | 
| 15 |   | Not occupied |   | 
|   |   |   | 
| 16 |   | Not occupied |   | 
|   |   |   | 
| 17 |   | Not occupied |   | 
|   |   |   | 
| 18 |   | Not occupied |   | 
|   |   |   | 
| 19 |   | Not occupied |   | 
|   |   |   | 
| 20 |   | Not occupied |   | 
|   |   |   | 
| 21 |   | Not occupied |   | 
|   |   |   | 
| 22 |   | Not occupied |   | 
|   |   |   | 
| 23 |   | Not occupied |   | 
|   |   |   | 
| 24 |   | Not occupied |   | 
|   |   |   | 
| 25 |   | Not occupied |   | 
|   |   |   | 
| 26 | M | Ground | Ground point | 
|   |   |   | 
| 27 |   | Not occupied |   | 
|   |   |   | 
| 28 |   | Not occupied |   | 
|   |   |   | 
| 29 | A/E | CAN bus high | Electrochromic interior rear view mirror with high beam assistant | 
|   |   |   | 
| 30 | A/E | CAN bus low | CAN-bus connector | 
|   |   |   | 
| 31 | A/E | CAN bus low | Electrochromic interior rear view mirror with high beam assistant | 
|   |   |   | 
| 32 |   | Not occupied |   | 
|   |   |   | 
| 33 |   | Not occupied |   | 
|   |   |   | 
| 34 |   | Not occupied |   | 
|   |   |   | 
| 35 |   | Not occupied |   | 
|   |   |   | 
| 36 |   | Not occupied |   | 
|   |   |   | 
| 37 |   | Not occupied |   | 
|   |   |   | 
| 38 |   | Not occupied |   | 
|   |   |   | 
| 39 |   | Not occupied |   | 
|   |   |   | 
| 40 |   | Not occupied |   | 
|   |   |   | 
| 41 |   | Not occupied |   | 
|   |   |   | 
| 42 |   | Not occupied |   | 
|   |   |   | 
| 43 |   | Not occupied |   | 
|   |   |   | 
| 44 |   | Not occupied |   | 
|   |   |   | 
| 45 |   | Not occupied |   | 
|   |   |   | 
| 46 |   | Not occupied |   | 
|   |   |   | 
| 47 | A/E | left-hand drive CAN bus high | Function control centre, roof | 
|   |   |   | 
| 47 | A/E | right-hand drive CAN bus high | Crash safety module | 
|   |   |   | 
| 48 | A/E | right-hand drive CAN bus low | Crash safety module | 
|   |   |   | 
| 48 | A/E | left-hand drive CAN bus low | Function control centre, roof | 
|   |   |   | 
| 49 |   | Not occupied |   | 
|   |   |   | 
| 50 | A | Wake-up signal, terminal 15 | Steering column switch cluster | 
|   |   |   | 
| 51 |   | Not occupied |   | 
|   |   |   | 
| 52 |   | Not occupied |   | 
|   |   |   | 
| 53 |   | Not occupied |   | 
|   |   |   | 
| 54 |   | Not occupied |   | 
|   |   |   |