BMW Z3 E37 1998 Electrical Troubleshooting Manual page 132

BMW BMW BMW BM
04/99
Z3
Pin Assignments
X1170
Pin Type Description/Function
51 A ABS relay
52 A Activate left front inlet valve
53 Not used
54 Not used
55 M Ground
56 Not used
57 A RxD diagnostic data link
58 E Terminal 15
59 E Voltage supply
Not used
60
61 Not used
62 Not used
63 A Ground, left rear speed sensor
64 A Ground, right rear speed sensor
65 E Signal, right front speed sensor
66 A Ground, left front speed sensor
67 M Ground
68 Not used
69 E Terminal 15
70 Not used
71 Not used
72 A Activate right front inlet valve
73 A Activate pump relay
74 A Activate rear axle inlet valve
75 A Activate left front outlet valve
76 M Ground
77 E Power protection
78 E/A TxD diagnostic data link
79 E Terminal 54
80 Not used
E = Input, A = Output, M = Ground
3450.0 a
Connection
ABS relay
ABS hydraulic unit
Ground point
Data link connector
Fuse 21
ABS pump motor relay
Left rear speed sensor
Right rear speed sensor
Right front speed sensor
Left front speed sensor
Ground point
Fuse 21
ABS hydraulic unit
ABS pump motor realy
ABS hydraulic unit
ABS hydraulic unit
Ground point
ABS hydraulic unit
Data link connector
Brake light switch
1998