BMW 1995 525i Electrical Troubleshooting Manual page 295

IB&WI
02/97 - - - - - - - - - -
6200.0-b
1995
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Pin Assignments
..!.!.!.!,.!...
1111(
Pin Type Description/Function Connect
21
E
Airbag warning lamp (SRS) control Ignition switch, terminal R
22 E High beam indicator control Combination switch
23 A Data line Check control module, on-board computer
and radio
24 M
Engine coolant temperature sensor ground Engine coolant temperature sensor
25
E Brake pad wear warning lamp control Brake pad sensors
26 E Temperature gauge signal Engine coolant temperature sensor
Pin Type Description/Function
Connect
1 M Ground Ground point
2
E
RxD diagnostic data link Data link connector
3 E Terminal R voltage supply Front power distribution box, fuse 1
4 Cluster programming NV-RAM
5 Cluster programming NV-RAM
6 Cluster programming NV-RAM
7 Cluster programming NV-RAM
8
Cluster programming
NV-RAM
9
Cluster programming
NV-RAM
10 Cluster programming NV-RAM
11 Cluster programming NV-RAM
12
Cluster programming NV-RAM
13
M
Ground Ground point
14 E/A
TxD diagnostic data link Data link connector
15
E
Terminal R voltage supply Front power distribution box, fuse 1
16 Cluster programming NV-RAM
17 Cluster programming NV-RAM
18 Cluster programming NV-RAM
19
Cluster programming NV-RAM
20 Cluster programming
NV-RAM
21 Cluster programming NV-RAM
E = Input, A = Output, M = Ground