5430.1Ćb
BMW
BMW
BMW
1999
Pin Assignments
03/00
BMW
E = Input, A = Output, M = Ground
X13159
Pin
Type
Description/Function
Connection
1
E
Top open signal
Convertible top actuating switch
2
Not used
3
Not used
4
E/A
TxD data signal
Data link connector
5
M
Ground
Hard top connector 1
6
E
Power supply
Front power distribution box
7
Not used
8
E
Rear window blower signal
Rear window blower micro switch
9
Not used
10
A
Data signal
Body electronics control module
11
Not used
12
Not used
13
A
Speed signal
Instrument cluster
14
E
Top closed signal
Convertible top actuating switch
15
Not used
16
A
RxD data signal
Data link connector
17
A
LED
Convertible top actuating switch
18
Not used
19
Not used
20
E
Trunk lid signal
Trunk lid micro switch
21
Not used
22
A
Data signal
Body electronics control module
23
Not used
24
Not used
25
M
Ground
Ground
26
E
Power supply
Front power distribution box