A4010a Junction box, electronics

Plug connector overview

NumberX-pin, colourDescription
X1427047-pin, blackComponent connector Junction box
X1427154-pin, blueComponent connector Junction box
X1427254-pin, blackComponent connector Junction box

Pin assignments at plug connector X14270

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASignal, refrigerant control valveControl valve, refrigerant compressor
   
2 Not used 
   
3 Not used 
   
4 Not used 
   
5 Not used 
   
6 Not used 
   
7ASignal, refrigerant control valveControl valve, refrigerant compressor
   
8 Not used 
   
9 Not used 
   
10 Not used 
   
11 Not used 
   
12AMotor signal, unlock boot lidCentral locking drive, boot lid
   
13ASignal, terminal 30GLuggage compartment lights
   
14ASignal, central arrest motorSystem lock, driver's door
   
15ASignal, central arrest motorSystem lock, passenger's door
   
16ASignal, ZV drive, fuel filler flapCentral locking drive, fuel filler flap
   
17ASignal, lock motorSystem lock, passenger's door
   
18AUnlock motor signalSystem lock, driver's door
   
19AUnlock motor signalSystem lock, passenger's door
   
20ASignal, ZV drive, fuel filler flapCentral locking drive, fuel filler flap
   
21AActivation Windscreen washer pumpWindscreen washer pump
   
22AActivation Rear window washer pumpRear window washer pump
   
23MGroundGround point
   
24AOpen window signalPower window motor, rear driver's side
   
25AClose window signalPower window motor, rear driver's side
   
26AOpen window signalPower window motor, rear passenger's side
   
27AClose window signalPower window motor, rear passenger's side
   
28ASignal, water jet heatingHeated water jet, left
   
29AVoltage supply, outside mirror heatingOutside mirror, driver's side
   
30 Not used 
   
31ASignal, water jet heatingHeated water jet, right
   
32AVoltage supply, outside mirror heatingOutside mirror, passenger's side
   
33ASignal, water valveWater valves
   
34ASignal, seat heatingDriver's seat heating module
   
35 Not used 
   
36ASignal, lock motorSystem lock, driver's door
   
37ASignal, auxiliary water pumpAuxiliary water pump
   
38ASignal, seat heatingPassenger's seat heating module
   
39 Not used 
   
40 Not used 
   
41 Not used 
   
42ASignal, central arrest motorSystem lock, rear driver's side
   
43ASignal, central arrest motorSystem lock, rear passenger's side
   
44ASignal, lock motorSystem lock, rear driver's side
   
45ASignal, lock motorSystem lock, rear passenger's side
   
46AUnlock motor signalSystem lock, rear driver's side
   
47AUnlock motor signalSystem lock, rear passenger's side
   

Pin assignments at plug connector X14271

PinTypeDescription / Signal typeConnection /
Measuring notes
1A/ESignal PT-CAN highCAN-bus connector
   
2A/ESignal PT-CAN lowCAN-bus connector
   
3A/ESignal F-CAN lowF-CAN-bus connector
   
4ESignal, outside temperature sensorOutside temperature sensor
   
5A/ESignal PT-CAN lowJunction box, electronics
   
6A/ESignal PT-CAN highJunction box, electronics
   
7ESignal Fuel level sensor, left tank halfFuel level sensor, left tank half
   
8 Not used 
   
9ESignal Fuel level sensor, right tank halfElectric fuel pump
   
10A/ECAN bus lowCAN-bus connector
   
11ESignal, boot lid contactCentral locking drive, boot lid
   
12 Not used 
   
13ESignal, parking brake switchParking brake switch
   
14ESignal, power window switchPower window switch, rear passenger's side
   
15ESignal, power window switchPower window switch, rear driver's side
   
16ESignal, AUC sensorAUC sensor
   
17A/ESignal, diagnosis CAN-HighOBDII socket
   
18 Not used 
   
19ESignal, outside temperature sensorOutside temperature sensor
   
20ESignal, electric auxiliary heaterDigital diesel electronics control unit
   
21A/ESignal F-CAN highF-CAN-bus connector
   
22ESignal Gearshift paddlesGearshift paddles
   
23APulse width modulation signal, blowerBlower motor
   
24 Not used 
   
25ESignal, power window Hall sensorPower window motor, rear passenger's side
   
26MGround Coolant pressure sensorCoolant pressure sensor
   
27ESignal, power window Hall sensorPower window motor, rear driver's side
   
28ESignal, power window switchPower window switch, passenger's door
   
29ESignal, power window Hall sensorPower window motor, rear driver's side
   
30ASupply Coolant pressure sensorCoolant pressure sensor
   
31ESignal, washer fluid levelWasher fluid level switch
   
32 Not used 
   
33A/ESignal, diagnosis CAN-LowOBDII socket
   
34ESignal Fuel level sensor, left tank halfFuel level sensor, left tank half
   
35AReturn contact, wiper rest positionWiper motor
   
36AReturn contact, wiper rest positionWiper drive, rear
   
37ASignal, central arrest motorCar access system
   
38ESignal Gearshift paddlesGearshift paddles
   
39 Not used 
   
40ESignal, hotel switchCar access system
   
41 Not used 
   
42A/ESignal PT-CAN lowJunction box, electronics
   
43A/ESignal PT-CAN highJunction box, electronics
   
44ESignal Boot lid buttonBoot lid button
   
45AWake-up signal, terminal 15Connector , terminal 15 wake-up signal
   
46A/ECAN bus highCAN-bus connector
   
47ESignal, power window Hall sensorPower window motor, rear driver's side
   
48ESignal, power window Hall sensorPower window motor, rear passenger's side
   
49ESignal, power window Hall sensorPower window motor, rear passenger's side
   
50 Not used 
   
51ESignal Coolant pressure sensorCoolant pressure sensor
   
52ESignal Fuel level sensor, right tank halfElectric fuel pump
   
53 Not used 
   
54ESignal, coolant levelCoolant level switch
   

Pin assignments at plug connector X14272

PinTypeDescription / Signal typeConnection /
Measuring notes
1ESupply, terminal 30GJunction box
   
2ESignal, fanfare hornSteering column switch cluster
   
3ATerminal 30Instrument cluster control unit
   
4EDeactivation DSCHazard warning switch
   
5 Not used 
   
6MGroundSteering column switch cluster
   
7 Not used 
   
8MGround Hazard warning switchHazard warning switch
   
9MGround Instrument cluster control unitInstrument cluster control unit
   
10A/ECAN bus highHeating/air conditioning system
   
11A/ECAN bus highCentral information display
   
12A/ECAN bus lowHeating/air conditioning system
   
13 Not used 
   
14 Not used 
   
15ASignal, outside temperature sensorInstrument cluster control unit
   
16ASignal, outside temperature sensorInstrument cluster control unit
   
17A/ESignal F-CAN lowSteering column switch cluster
   
18APulse width modulation signal, blowerHeating/air conditioning system
   
19ATerminal 30Steering column switch cluster
   
20 Not used 
   
21 Not used 
   
22 Not used 
   
23 Not used 
   
24 Not used 
   
25 Not used 
   
26MGround Steering column switch clusterSteering column switch cluster
   
27MGround Central information displayCentral information display
   
28 Not used 
   
29A/ECAN bus highInstrument cluster control unit
   
30A/ECAN bus lowCentral information display
   
31A/ECAN bus lowInstrument cluster control unit
   
32 Not used 
   
33ESignal, central arrest motorHazard warning switch
   
34A/ESignal F-CAN highSteering column switch cluster
   
35ASignal Gearshift paddlesTransmission control
   
36ESignal, electric auxiliary heaterHeating/air conditioning system
   
37ASignal, terminal 30GGlove compartment light
   
38 Not used 
   
39 Not used 
   
40 Not used 
   
41 Not used 
   
42 Not used 
   
43MGroundGlove compartment light
   
44 Not used 
   
45MGroundHeating/air conditioning system
   
46MGroundHotel switch
   
47A/ECAN bus highMultiple restraint system control unit
   
48A/ECAN bus lowMultiple restraint system control unit
   
49 Not used 
   
50AWake-up signal, terminal 15Steering column switch cluster
   
51 Not used 
   
52ASignal Gearshift paddlesTransmission control
   
53ESignal, hotel switchHotel switch
   
54 Not used