sensor BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual







Pin Assignments




E = Input, A = Output, M = Ground
X74
Pin Type Description/Function Connection
1
APyrotechnical belt tensioner (+)Driver’s side pyrotechnical belt tensioner
2APyrotechnical belt tensioner (–)Driver’s side pyrotechnical belt tensioner
3APyrotechnical belt tensioner (+)Passenger’s side pyrotechnical belt
tensioner
4APyrotechnical belt tensioner (–)Passenger’s side pyrotechnical belt
tensioner
5EPower supplyFront power distribution box, fuse 41
6MGroundGround point
7AAir bag warning indicatorInstrument cluster
8EBelt switchPassenger’s seat belt switch
9E/ATxD diagnostic data lineData link connector
10AAir bag (+)Driver’s air bag gas generator
11AAir bag (–)Driver’s air bag gas generator
12EBelt switchDriver’s seat belt switch
13AAir bag (+)Passenger’s air bag gas generator
14AAir bag (–)Passenger’s air bag gas generator
15ESeat occupancy detectorSeat occupancy detector
16AGas generatorGas generator, left side air bag
17AGas generatorGas generator, left side air bag
18AGas generatorGas generator, right side air bag
19AGas generatorGas generator, right side air bag
20EImpact sensorDriver’s side impact sensor
21EImpact sensorPassenger’s side impact sensor
22Not used
23Not used
24Not used
25Not used
26AAir bag II (+)Driver’s air bag gas generator
27AAir bag II (–)Driver’s air bag gas generator
28Not used
29Not used

.5 BL.5 GE


SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
SIDE AIR BAG










A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.35 WS/BL
20
G14
LEFT SIDE AIR BAG
GAS GENERATOR
16 17
.5 BL .5 BR
1
B78
DRIVER’S SIDE IM-
PACT SENSOR
.5 GE
33
B79
PASSENGER’S
SIDE IMPACT
SENSOR
1X1885
GROUND
DISTRIBUTION
0670.4
25 26
.5 BR
12
G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
1819
.5 GE .5 BR
25 26
.5 BR
12
.5 BLX257
X1883
X256
X1884
X1886
GROUND
DISTRIBUTION
0670.4
21 .35 WS/GE
X1441
THE DRIVER’S AND
PASSENGER’S AND
THE SIDE AIR BAG
GENERATORS AND
THE PYROTECHNICAL
BELT TENSIONERS
AND THE BATTERY
SAFETY TERMINAL
ARE FITTED WITH
SHORTING BRIDGES.
.5 RT
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
.5 GE/RT .5 GE/BR
910
.5 SW
1 2
X275
X10216
THE BRIDGES SHORT
THE GENERATOR
LEADS TOGETHER TO
PREVENT UNINTEN-
TIONAL TRIGGERING
OF THE IGNITER
WHEN WORKING ON
THE AIR BAG SYSTEM.
X1441
.5 RT
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
.5 BL/RT .5 BL/BR
910
.5 SW
21
X279
X10217
X74
DATA LINK
0670.5
X749
.5 WS/VI
LATE PRODUCTION







F215A
3450.1-01P90
FRONT POWER
DISTRIBUTION BOX
A52
SLIP CONTROL
MODULE
(ABS/ASC)
13 X1170
8 X1170
TXD 7

F275A
A2w
INSTRUMENT
CLUSTER
S30
BRAKE LIGHT
SWITCH F10
30AF4615A
3450.1-00
3450.1-00
12
B2
LEFT FRONT SPEED
SENSOR – ABS 3450.1-025 6
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0219 20
B1
RIGHT FRONT SPEED
SENSOR – ABS 3450.1-0223 22
B3
RIGHT REAR SPEED
SENSOR – ABS 3450.1-02211110
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-01A2w
INSTRUMENT
CLUSTER 3450.1-01
9
F215A
S6
ASC SWITCH 3450.1-01
14
LIGHT SWITCH
DETAILS
6300.0
1643450.1-00
58g
X1170
24
F3830A
25
3450.1 SLIP CONTROL (ABS/ASC)

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)











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

2 413





 





DYNAMIC STABILITY CONTROL (DSC III)
P90
FRONT POWER
DISTRIBUTION BOX
.5 GR/RT
S6y
DSC SWITCH
1) OPEN
2) MOMENTARILY
CLOSED
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)X521
X18170
27 X1746
FUSE DETAILS
0670.3
X521
LIGHT SWITCH
DETAILS
6300.058g
GROUND
DISTRIBUTION
0670.4 .5 BL/VI
F215A
.35 WS/VI
62X1658
2X10017
12
1
FUSE DETAILS
0670.3
F75A
14
X10015
R33
STEERING ANGLE
SENSOR
X16585
X492
GROUND
DISTRIBUTION
0670.4
DATA LINK
0670.5
TXD
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS






 





DYNAMIC STABILITY CONTROL (DSC III)
.35 WS/GN
3217X1746
.5 GE
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)
A6000
ENGINE CONTROL
MODULE (DME)
X60004
363722
R33
STEERING ANGLE
SENSOR
X1658
34
CAN–CAN+ CAN–CAN+
A2w
INSTRUMENT
CLUSTER X16
67
CAN–CAN+
16
.5 BR
CAN–CAN+
X1893
X1894
.5 GE .5 BR .5 GE .5 BR
.5 GE .5 BR
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE CONTROL
MODULE X13578
76
CAN–CAN+ .5 GE .5 BR
X18836
X18835
M VERSIONS