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ECU Pin assignments at plug connector X6000​

PinTypeDescription / Signal typeConnection /
Measuring notes
1ASignal, oxygen sensor heaterConnector, DMW oxygen sensor 1
2AIdle actuator closing windingIdle actuator
3AFuel injector cyl. 1Fuel injector cyl. 1
4AFuel injector cyl. 4Fuel injector cyl. 4
5ANot used
6MGround, fuel injectorGround point
7ANot used
8ADefect lamp (USA only)Instrument cluster
9EStart signalStart relay
10EAntitheft alarm system signal (EWS)Electronic immobilizer control unit (EWS)
11AA/C compressor signalHeating and A/C control module
12ESignal, terminal 50Ignition switch
13EKnock sensor signalKnock sensor
14 Not used
15 Not used
16EIntake air temperatureIntake air temperature sensor
17EGround, hot-film air mass meterHot-film air mass meter
18EOxygen sensor signalHeated oxygen sensor 2 in front of catalytic converter
19EOxygen sensor signalHeated oxygen sensor 1 in front of catalytic converter
20ACrankshaft sensor signal (speed and position)Crankshaft sensor
21ACamshaft sensor signal (cylinder reference)Hall-effect sensor, camshaft 1
22ANot used
23AIgnition signal cyl. 3Ignition coil cyl. 3
24ANot used
25AIgnition signal cyl. 2Ignition coil cyl. 2
26ETerminal 30Fuse F109
27ADME relayDME relay
28MGround for electronics and sensor shieldGround connector
29AIdle actuator opening windingIdle actuator
30ESignal, oxygen sensor heaterHeated oxygen sensor 1 in front of catalytic converter Heated oxygen sensor 2 in front of catalytic converter
31ANot used
32ANot used
33AFuel injector cyl. 3Fuel injector cyl. 3
34MGround, remaining output stages (apart from ignition and fuel injectors)Ground point
35AFuel injector cyl. 2Fuel injector cyl. 2
36ASignal, A/C compressor relayHeating and A/C control module
37 Not used
38 Not used
39 Not used
40EKnock sensor signalKnock sensor
41EKnock sensor signalKnock sensor
42EFuel reserve signalInstrument cluster
43 Not used
44EThrottle potentiometer signalThrottle potentiometer
45MSignal, hot-film air mass meterHot-film air mass meter
46ASignal, oxygen sensor GroundOxygen sensors
47 Not used
48 Not used
49AIgnition signal cyl. 1Ignition coil cyl. 1
50ANot used
51AIgnition signal cyl. 4Ignition coil cyl. 4
52ANot used
53AThrottle potentiometer + 5 V supplyThrottle potentiometer
54ETerminal 87Fuse F1
55MIgnition groundGround point
56ETerminal 15Ignition switch
57 Not used
58 Not used
59ESignal input Characteristic map, coolingCharacteristic map, cooling
60EProgramming voltage inputDiagnostic connector
61ESignal input Tank ventilation valveCharcoal filter valve
62 Not used
63EEKP relayFuel pump relay 1
64 Not used
65 Not used
66 Not used
67 Not used
68 Not used
69EAir conditioning system standby signalHeating and A/C control module
70EKnock sensor signalKnock sensor
71MGround for temperature sensor, throttle potentiometer and knock sensorsGround connector
72 Not used
73 Not used
74ESignal, temperature sensorDual temperature sensor
75 Not used
76EOxygen sensor signalHeated oxygen sensor 2 behind catalytic converter
77EOxygen sensor signalHeated oxygen sensor 1 behind catalytic converter
78ECrankshaft sensor signal (speed and position)Crankshaft sensor
79ERear right speed signalABS control unit ABS/ASC control unit
80ATD signal (engine speed)Connector TD signal
81 Not used
82AIgnition timing adjustmentNot used
83AInjection signalIntegrated electronic control unit (IKE)
84 Not used
85E/ACAN-bus lowAGS transmission control unit
86E/ACAN-bus highAGS transmission control unit
87 Not used
88E/ADiagnostic link TXDDiagnostic connector
 
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