BMW Z3 E37 1998 Electrical Troubleshooting Manual page 141

BMW BMW BMW BM
04/99
Z3
Pin Assignments (4-Cylinder)
Pin Type Description/Function
123 A ABS signal
124 E Speed signal
125 E Speed signal
126 E Speed signal
127 E Speed signal
128 E/A TxD diagnostic data link
129 A Right rear speed signal
130 Not used
131 E ASC signal
132 A ABS signal
133 M Ground
134 A ASC signal
X1652
Pin Type Description/Function
1 A ADS step motor (–)
2 M Ground
3 A ADS step motor (+)
4 E Voltage supply
5 A ABS signal
E = Input, A = Output, M = Ground
3450.1a b
Connection
ABS pump motor relay/Hydraulic unit
Left front speed sensor (ABS)
Right front speed sensor (ABS)
Left rear speed sensor (ABS)
Right rear speed sensor (ABS)
Data link connector
DME module
ASC switch
Instrument cluster
Ground point
Instrument cluster
Connection
Auxiliary throttle position motor
Ground point
Auxiliary throttle position motor
Fuse 38
ABS hydraulic unit
1998