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Home >> BMW >> 2003 >> M3 2D Convertible >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Connector End Views (E46) >> Connector List >> Transmission Control Unit Module 4 X70004 Connector End View
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Transmission Control Unit Module 4 X70004 Connector End View

Fig 1: Transmission Control Unit Module 4 X70004 Connector End View
G11217367Courtesy of BMW OF NORTH AMERICA, INC.
Pin Assignments At Plug Connector X70004

Pin Type Description /Signal type Connection /Measuring notes
1 E Signal Gear position switch Transmission control unit
2 A Voltage supply Gear position switch Transmission control unit
3 A Voltage supply EDS and solenoid valve Transmission control unit
4 A Negative activation Reversing light relay Reversing light relay
5 -- Not used  
6 E Signal Pressure actuator, converter lockup clutch Transmission control unit
7 -- Not used  
8 E Signal Pressure actuator Transmission control unit
9 E Signal Solenoid valve Transmission control unit
10 E Signal Solenoid valve Transmission control unit
11 A Voltage supply EDS and solenoid valve Transmission control unit
12 -- Not used  
13 -- Not used  
14 E Signal Gear position switch Transmission control unit
15 E Signal Gear position switch Transmission control unit
16 -- Not used  
17 E Signal Gear position switch Transmission control unit
18 A Signal Transmission fluid temperature sensor Transmission control unit
19 M Ground Transmission fluid temperature sensor Transmission control unit
20 E Signal Solenoid valve Transmission control unit
21 -- Not used  
22 -- Not used  
23 A Turbine speed sensor, differential signal + Transmission control unit
24 M Turbine speed sensor, differential signal - Transmission control unit
25 M Shield Shield in front of transmission
26 -- Not used  
27 -- Not used  
28 -- Not used  
29 -- Not used  
30 -- Not used  
31 -- Not used  
32 E/A Signal Diagnostic link TXD Digital motor electronics control unit
33 -- Not used  
34 -- Not used  
35 -- Not used  
36 E/A Signal CAN bus high Digital motor electronics control unit
37 E/A Signal CAN bus low Digital motor electronics control unit
38 M Shield Shield in front of transmission
39 M Output speed sensor, differential signal - Transmission control unit
40 A Output speed sensor, differential signal + Transmission control unit