ECU pin assignment

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Producer Type Ground
KL.31
+12V Perm.
KL.30
+12V Ign.
KL.15
Diagnosis CAN-L CAN-H
SPI-Box 9-Pin   4 5   1/2    
OBD2-Conncector   5 16   7 14 6
BMW circular connector   19 14   17/20 14 6
MB 38pol Diagnosis   1 3   4    

Producer Type ECU Ground
KL.31
+12V Perm.
KL.30
+12V Ign.
KL.15
Diagnosis CAN-L CAN-H
Audi   SIMOS6 B1 B92 B87      
BMW V8/97 M5.2 55 26 54, 60 88    
BMW V8/99- ME7 1-4 1-7 4-26 4-32 4-37 4-36
BMW 530D 530D 1-4 1-1 4-26 4-32 4-37 4-36
BMW 2.0D, 3.0D EDC16 2-2 2-1 2-7 2-8 2-33 2-46
BMW 2.0 - 2.8i MS41 28 26 54, 60 88 - -
BMW 2.0 - 2.8i MS42 1-4 1-7 4-26 4-32 4-37 4-36
BMW 2.0 - 3.0i MS45 1-4 1-7 4-26 4-32 4-37 4-36
BMW M3 MSS50 28 26 56 88 85 86
Ford Mondeo TDCI Delphi 1   4      
Jaguar XKR   10-23 ?? 10-1   10-25 10-26
Jaguar S-2.7D V6 SID201 SW 1M SW 3K SW 4K      
MB 2.3 - 6.0L ME1.0 26 35 36?,25? 55 61 60
MB 2.3 - 6.0L ME2.0 A3 B4 A2   C11 C12
MB 230-500 ME2.8 5-7 5-3 5-9 4-29,39    
MB 600 Biturbo ME2.7.1 5-7 5-3 5-9,4-31 4-29,39    
MB SL55K ME2.8.1 5-7 5-3 5-9,4-31 4-29,39    
MB 230-300D TDI V2.0 18 ? 55,37 ? 47 ? 50    
MB 200-320D CR2 1-4 1-7 2-13 3-28 2-12 2-11
Opel 1.7 DCI 1.7 DCI Y17DT M38, M54, M55 K2, K19, K52 K1, K17 K54    
Opel Turbo Coupe Z22LET X79-13 X79-18, X79-51 ? X79-2    
Peugeot 307HDI SID803 SW G4 GR G4 SW C3      
VAG 1.8T, ME7 1 3 62 43 58 60
VAG 1.9TDI PD PD1.0 4 37 2 16 6 7
VAG 1.9TDI PD V4.1 4 37 2 16 6 7

BMW circular connector: View of the socket

BMW-Rundstecker: Ansicht der Buchse
Kammer-
Number
Klemme Specification Wire color
1 TD TD-Signal SW
2 CANH CANCA-High (M3) SW
3 CANL CANCA-Low (M3) GE
4 Schirm Shielding CAN power (M3)  
5 - Not used  
6 Tacho A Tacho output signal SW/WS
7 SI Service interval display WS/GN
8 - Compressor SW/GR
9 - Compressor delay SW/BL
10 - Zusatzlüfter SW/RT
11 - Not used  
12 61 (D+) Loading lamp BL
13 - Not used  
14 30 Batterie + RT
15 RXD Diagnose-Datenleitung WS/GE
16 15S Voltage with ignition ON GN/WS
17 TXD II Diagnose Datenleitung (4-Zyl. Benziner) WS/VI
18 PGSP Progamming line WS/GN (GN/BL **)
19 31 Ground BR (BR/OR **)
20 TXD Diagnose-Datenleitung WS/VI
** 6-Zyl. Gasoline

OBD2-Conncector: View of the socket

OBD2-Stecker: Ansicht der Buchse