FixVault

Trailer Module SX609B Connector End View

Fig 1: Trailer Module SX609B Connector End View
G11197602Courtesy of BMW OF NORTH AMERICA, INC.
Pin Assignments At Plug Connector X609

Pin Type Description /Signal type Connection /Measuring notes
1 A Signal, brake light Trailer socket
2 E/A K-CAN system bus CAN bus connector
3 E/A K-CAN system bus CAN bus connector
4 -- Not occupied  
5 -- Not occupied  
6 -- Not occupied  
7 -- Not occupied  
8 -- Not occupied  
9 E Signal Turn signal indicator Footwell module
10 E Signal, brake light Footwell module
11 A Signal Towing hitch release Towing hitch release
12 A Signal, fog light Trailer socket
13 E Supply, terminal 30G Fuse F31
14 A Signal, parking light Trailer socket
15 A Signal, right direction indicator light Trailer socket
16 A Signal, reversing light Trailer socket
17 M Ground Ground point
18 A Signal, left direction indicator light Trailer socket
19 A Signal, parking light Trailer socket
20 E Supply, terminal 30G Fuse F32