A2249 Digital diesel electronics control unit

Connector location views

NumberX-pin, colorDescription
X24119-pin, blackPlug connector Digital diesel electronics control unit Module 1
X241352-pin, blackPlug connector Digital diesel electronics control unit Module 3
X241440-pin, blackPlug connector Digital diesel electronics control unit Module 4

Pin assignments at plug connector X2411

PinTypeDescription / Signal typeConnection /
Measuring notes
1EVoltage supplyFuse carrier, engine electronics
   
2 Not used 
   
3 Not used 
   
4MGroundGround connector
   
5MGroundGround connector
   
6MGroundGround connector
   
7 Not used 
   
8EVoltage supplyFuse carrier, engine electronics
   
9EActivation, main relayDDE relay
   

Pin assignments at plug connector X2413

PinTypeDescription / Signal typeConnection /
Measuring notes
1 Not used 
   
2ESignal Air mass sensorAir mass sensor
   
3MGround Air mass sensorAir mass sensor
   
4 Not used 
   
5ESignal Needle movement sensorNeedle movement sensor
   
6ESignal Speed (rpm) sensorSpeed (rpm) sensor
   
7ESignal Injection pumpInjection pump
   
8 Not used 
   
9ESignal Solenoid valve, supercharger controlSolenoid valve, supercharger control
   
10ESignal Solenoid valve, exhaust gas recirculationSolenoid valve, exhaust gas recirculation
   
11 Not used 
   
12ESignal Preheater relayPreheater relay
   
13EActivation Solenoid valve, radiator shutterSolenoid valve, radiator shutter
   
14ASupply Boost pressure sensorBoost pressure sensor
   
15EActivation Boost pressure sensorBoost pressure sensor
   
16MGround Boost pressure sensorBoost pressure sensor
   
17 Not used 
   
18MGround Needle movement sensorNeedle movement sensor
   
19 Not used 
   
20 Not used 
   
21ESolenoid valve cutout signalInjection pump
   
22 Not used 
   
23 Not used 
   
24EGenerator load signalGenerator
   
25 Not used 
   
26 Not used 
   
27 Not used 
   
28AActivation Engine coolant temperature sensorEngine coolant temperature sensor
   
29 Not used 
   
30 Not used 
   
31MGround Speed (rpm) sensorSpeed (rpm) sensor
   
32MGround Engine coolant temperature sensorEngine coolant temperature sensor
   
33ASupply Air mass sensorAir mass sensor
   
34 Not used 
   
35 Not used 
   
36 Not used 
   
37 Not used 
   
38 Not used 
   
39 Not used 
   
40ESignal Oil level sensorOil level sensor
   
41ESignal Oil pressure switchOil pressure switch
   
42 Not used 
   
43 Not used 
   
44E/ASignal CAN bus lowInjection pump
   
45E/ASignal CAN bus highInjection pump
   
46 Not used 
   
47 Not used 
   
48 Not used 
   
49 Not used 
   
50ESignal Battery charge indicator lampGenerator
   
51EEngine start signal feedbackStarter
   
52ESignal Preheater relayPreheater relay
   

Pin assignments at plug connector X2414

PinTypeDescription / Signal typeConnection /
Measuring notes
1ESignal Battery charge indicator lampControl module for instrument cluster
   
2EEngine start signal feedbackControl module for instrument cluster
   
3 Not used 
   
4ESignal Electric fanElectric fan
   
5 Not used 
   
6 Not used 
   
7MGround Pedal-position sensorPedal-position sensor
   
8ASignal Pedal-position sensorPedal-position sensor
   
9ASignal Pedal-position sensorPedal-position sensor
   
10ESignal Fuel pump relay 1Fuel pump relay 1
   
11ESignal Oil pressure switchControl module for instrument cluster
   
12MGround Pedal-position sensorPedal-position sensor
   
13 Not used 
   
14 Not used 
   
15 Not used 
   
16ASignal Pedal-position sensorPedal-position sensor
   
17ESpeed signalData link connector
   
18 Not used 
   
19 Not used 
   
20AActivation Auxiliary heaterAuxiliary heater
   
21ESignal Oil level sensorControl module for instrument cluster
   
22ASignal Processed wheel speed, rear rightABS/ASC unit
   
23ASignal Clutch pedal position switchClutch pedal position switch
   
24ESignal Brake light switchLight switching center control unit
   
25 Not used 
   
26ETerminal 15Fuse F29
   
27EData link MFLVolute spring
   
28ESignal Brake light switchBrake light switch
   
29ESignal Relay, A/C compressorRelay, A/C compressor
   
30 Not used 
   
31ESignal Auxiliary heaterHeating and A/C control module Dual-function switch recirculated air/rear window defogger
   
32E/ASignal Data link TXDData link connector
   
33EElectronic vehicle immobilizationElectronic immobilizer control unit
   
34 Not used 
   
35 Not used 
   
36E/ASignal CAN bus highConnector, CAN bus
   
37E/ASignal CAN bus lowConnector, CAN bus
   
38 Not used 
   
39 Not used 
   
40 Not used