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