Connector Pin Assignments
The 54-pin connector of the ULF Control Module utilizes the following pins on X01185
The following pins on X4545 are utilized when the eject box is connected
PIN
Description
1
Cradle Key +
2
KL 31
3
58G
5
KL 30
13
Cradle On/Enable
Note: The pairing button used on the E46 only utilizes pin 1, 2 & 3 of X4545
19
Bluetooth
TM
PIN
Description
1
Micr
11
Cradle On/Enable
15
I-Bus
17
KL 30
19
Microphone -
21
Microphone Shield
22
Hook
27
Programming
28
Programming
32
Cradle Key +
33
Telephone On
34
Telephone On (pin 33)
35
KL R (Ignition)
36
KL 31 (Ground)
43
Programming
44
Programming
45
Programming
51
Telephone Mute
52
KL 58g (illumination)