BMW 1992 525i Electrical Troubleshooting Manual page 279

(
IBSI
MEMORY SEATS/MIRRORS (SM/SPM)
......
......
-
( 0
1\)
X653
Pin Type Description/Function Connection Type of Signal Tester Display Measurement Notes
1 A
Potentiometer voltage Driver's headrest pot.
2
E
Headrest position signal Driver's headrest pot.
3
M Ground Driver's headrest pot.
4 EIA Motor voltage/ground Driver's headrest motor
5 Not used
6 EIA
Motor voltage/ground Driver's headrest motor
X654
U1
Pin Type Description/Function Connection Type of Signal Tester Display Measurement Notes
r\)
0
0
1 A Potentiometer voltage Driver's seat height pot.
.
-.
I
2
E Seat height position signal Driver's seat height pot. CD
3 M
Ground
Driver's seat height pot.
4 EIA Motor voltage/ground Driver's seat height motor
5
Not used
6
EIA
Motor voltage/ground
Driver's seat height motor
X655
Pin Type Description/Function
Connection l'y'pe of Signal
Tester Display Measurement Notes
1 A Potentiometer voltage
Driver's seat back pot.
2 E Seat back position signal
Driver's seat back pot.
3
M Ground
Driver's seat back pot.
......
(0
IS