2001 BMW Z3M COUPE Electrical Troubleshooting Manual

Pin Assignments







E = Input, A = Output, M = Ground
X1170
Pin Type Signal Description/Function Connection
1
MVL–Sensor groundABS speed sensor, left front
2EVL+Speed signalABS speed sensor, left front
3Not used
4E15A21Voltage supplyFuse 21
5MHL–Sensor groundABS speed sensor, left rear
6EHL+Speed signalABS speed sensor, left rear
7E/ATXDDiagnosis TXD signalData link connector
8M31LGroundGround point
9E30<10Voltage supplyFuse 10
10E/ACAN–CAN-bus LowService, CAN-bus Low
11E/ACAN+CAN-bus HighService, CAN-bus High
12Not used
13E54Brake signalBrake light switch
14EASCSASC-ON-signalASC switch
15Not used
16AWLASWarning lampInstrument cluster
17Not used
18Not used
19MVR–Sensor groundABS speed sensor, right front
20EVR+Speed signalABS speed sensor, right front
21ADFAHRRight rear speed signalEngine control module (DME)
22EHR+Speed signalABS speed sensor, right rear
23MHR–Sensor groundABS speed sensor, right rear
24M31LGroundGround point
25E30<38Voltage supplyFuse 38



SLIP CONTROL (ABS/ASC)













32X10018
1 X78
.35 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212 X78
9 X1170
23 X16
13
BRAKE LIGHTS
6325.0
41625
.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F4615AF215AF3830A F275AF1030A
X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3FUSE DETAILS
0670.3
X170
GROUND
DISTRIBUTION
0670.4
24
8 X11707
DATA LINK
0670.5 .5 WS/VITXD
1 2

2 413












SLIP CONTROL (ABS/ASC)
P90
FRONT POWER
DISTRIBUTION BOX
.5 GR/RT
S6
ASC SWITCH
1) OPEN
2) MOMENTARILY
CLOSED
10
A52
SLIP CONTROL
MODULE
(ABS/ASC)X521
X18170
14 X1170
FUSE DETAILS
0670.3
X521
LIGHT SWITCH
DETAILS
6300.058g
GROUND
DISTRIBUTION
0670.4 .5 BL/VI
F215A
11 .5 GE
A2w
INSTRUMENT
CLUSTER
67X16
A6000
ENGINE CONTROL
MODULE (DME)
3736
.5 BR.5 GE .5 GE.5 BR22
X60004
X1893
X1894
21
2X10017
CAN – CAN +
.35 WS/GN
CAN – CAN + CAN + CAN –
.5 BR
12



SLIP CONTROL (ABS/ASC)











126520192223 X1170
12X11421 X14221X11321 X143
B2
LEFT FRONT SPEED
SENSOR – ABSB4
LEFT REAR SPEED
SENSOR – ABSB1
RIGHT FRONT SPEED
SENSOR – ABSB3
RIGHT REAR SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEELA52
SLIP CONTROL
MODULE
(ABS/ASC)
LEFT REAR
PULSE WHEELRIGHT FRONT
PULSE WHEELRIGHT REAR
PULSE WHEEL
.5 BR .5
BR/
RT.5 BL .5
BR.5 GE .5
BR.5 GE/SW .5
GE/
BR
33
X170X170




 


F5130A3452.1-00
P900
AUXILIARY FUSE
BOX
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
40X1746
X1746
TXD 8
F5230AF5330A
S30
BRAKE LIGHT
SWITCH F46
15A
1
3452.1-00
29243620
Y16z
PRESSURE
TRANSMITTER 3452.1-01
1543
X1746
F215AP90
FRONT POWER
DISTRIBUTION BOX

F75A
A2w
INSTRUMENT
CLUSTER 3452.1-00
3452.1-01
3452.1-03
3450.2-04
3452.1-00
3452.1-02
3452.1-04
42
F275A
28193452.1-04
S31
PARK BRAKE
SWITCH
3452.1-02
3452.1-03
R33
STEERING ANGLE
SENSOR
D100
DATA LINK
CONNECTOR
3452.1-02
S6y
DSC SWITCH
LIGHT SWITCH
DETAILS
6300.058g
27121716
3452.1-03
A6000
ENGINE CONTROL
MODULE (DME)
32
21910
B74
TRANSVERSE
ACCELERATION
SENSOR 3452.1-04252238
B75
RPM RATE
SENSOR 3452.1-04261123
B76
PRESSURE
SENSOR 3452.1-0423
B2
LEFT FRONT
SPEED SENSOR –
ABS 3452.1-0533 34
B4
LEFT REAR SPEED
SENSOR – ABS 3452.1-0531 6
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3452.1-055
B3
RIGHT REAR
SPEED SENSOR –
ABS 3452.1-053014
M118
PRECHARGE PUMP 3452.1-01
41
3452.1-01
B18
BRAKE FLUID
LEVEL SWITCH
BRAKE
FLUID
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
PARK
BRAKE
P90
FRONT POWER
DISTRIBUTION BOX
M VERSIONS
M VERSIONS
3452.1-03
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE CONTROL
MODULE
3452.1 DYNAMIC STABILITY CONTROL (DSC III)

 


Pin Assignments (Z3 Versions Early Prod. and M Versions)




E = Input, A = Output, M = Ground
X1746
Pin Type Signal Description/Function Connection
1
MGNDGroundGround point
2MFL0Sensor groundLeft front speed sensor (ABS)
3EFL1Speed signalLeft front speed sensor (ABS)
4Not used
5MRR0Sensor groundRight rear speed sensor (ABS)
6ERR1Speed signalRight rear speed sensor (ABS)
7Not used
8E/ADIAG_KDiagnosis TXD signalData link connector
9EA_LATTransverse acceleration sensor
signalTransverse acceleration sensor
10MGND_LATGroundTransverse acceleration sensor
11AP_DRIV1Voltage supplyPressure sensor
12E15A21Terminal 15Fuse 21
13Not used
14AVLP+Activate precharge pumpPrecharge pump
15E30A52Terminal 30Fuse 52
16E/ACAN_LCAN-bus LowSplice, CAN-bus Low
17E/ACAN_HCAN-bus HighSplice, CAN-bus High
18Not used
19AWLASWarning lampInstrument cluster
20ASENS_DRIPressure transmitter signalPressure transmitter
21ASENSP_LAVoltage supplyTransverse acceleration sensor
22ASENSP_YAVoltage supplyRPM rate sensor
23ESENS_DRIPressure sensor signalPressure sensor
24MGND_DRIVGroundPressure transmitter
25MGND_YAWGroundRPM rate sensor
26MGND_DRIVGroundPressure sensor
27ETCSDSC-ON-signalDSC switch
28EPBRSHandbrake signalHandbrake switch
29MGNDGroundGround point

 


Pin Assignments (Z3 Versions Early Prod. and M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
30
E FR1Speed signalRight front speed sensor (ABS)
31MFR0GroundRight front speed sensor (ABS)
32ADFAHRWheel speed signal, right rearEngine control module (DME)
33ERL1Speed signalLeft rear speed sensor (ABS)
34MRL0GroundLeft rear speed sensor (ABS)
35Not used
36AP_DRIV2Voltage supplyPressure transmitter
37Not used
38EYAW_SIGRPM rate signalRPM rate sensor
39Not used
40EBLSBrake signalBrake light switch
41EBRFNBrake fluid level signalBrake fluid level switch
42E30A53Terminal 30Fuse 53
43E30A51Terminal 30Fuse 51

M VERSIONS.75 BL/RT


DYNAMIC STABILITY CONTROL (DSC III)


 







32X10018
1 X78
.5 GR/SW/GEX181
1.5 BL/RT
2214 X100176 X19017
212 X78
42 X1746
23 X16
12
BRAKE LIGHTS
6325.0
401943
.75 BL/RT
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A2w
INSTRUMENT
CLUSTERP900
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3FUSE
DETAILS
0670.3
F4615AF215AF5130A F275AF5330A
X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
1
29 X17468
DATA LINK
0670.5 .35 WS/VITXD
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
1 2
P90
FRONT POWER
DISTRIBUTION
BOX
4
15
F5230A
FUSE DETAILS
0670.3
X170
M VERSIONS
P90
FRONT POWER
DISTRIBUTION
BOX