BMW 1992 525i Electrical Troubleshooting Manual page 278

IBSI
MEMORY SEATS/MIRRORS (SM/SPM)
..... .....
-
U )
N
Pin
'J\'pe Description/Function
Connection
1\'Pe of Signal Tester Display
Measurement Notes
23
Not used
24 A
Memory switch LED(-)
Memory switch Ground
25 A
Memory switch LED ( +) Memory switch 2V
26 E
Memory switch signal
Memory switch Voltage value
X648
Pin
'J\'pe Description/Function Connection 'J\'pe of Signal Tester Display Measurement Notes
E
Reverse gear signal Back up switch
2 E
Driver's door status Driver's door jamb switch
3
Not used
Ul
1\)
4 Not used
0
0
.
5
A Diagnosis (RxD) ·Diagnosis connector
~
I
6 E
Diagnosis (fxD) Diagnosis connector
a.
X649
Pin
"fYpe
Description/Function Connection
'J\'pe of Signal Tester Display Measurement Notes
1 E Terminal15 voltage
Fuse
2 Not used
3 E
Terminal A voltage
Fuse
4
Not used
5
Not used
6 M Ground
Ground point
.....
U)
U)
N