BMW 1992 525i Electrical Troubleshooting Manual page 281

(
IBEtl
MEMORY SEATS/MIRRORS (SM/SPM)
_..
....
.....
U)
1\)
X657
Pin
1\'pe
Description/Function
Connection 1\'pe of Signal Tester Display Measurement Notes
1 A Potentiometer voltage
Driver's seat potentiometer
2 E Seat cushion position signal Driver's seat potentiometer
3 M Ground
Driver's seat potentiometer
4 EtA Motor voltage/ground
Driver's seat movement motor
5
Not used
6
EtA
Motor voltage/ground Driver's seat movement motor
X18181
en
Pin
1\'pe
Description/Function Connection 'tYpe of Signal Tester Display
Measurement Notes
N
0
0
1 A
Potentiometer voltage Driver's seat thigh support pot.
.
.....
I
2 E
Thigh support positron signal Driver's seat thigh support pot.
ca
3 M Ground
Driver's seat thigh support pot.
4
EtA
Motor voltage/ground
Driver's seat thigh support
motor
5
Not used
6 EtA
Motor voltage/ground
Driver's seat thigh support
motor