wheel BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual
Page 10 of 367
INDEX
SPEED SENSOR – ABS, RIGHT REAR, B3 3452.2-05. . . . . . . . . . . . . . . . . . .
SPLICE LOCATION VIEWS 8000.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 1240.0-00. . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 1240.0-02. . . . . . . . . . . . . . . . . .
STARTER, M6510 1240.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER, M6510 1240.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STEERING ANGLE SENSOR, R33 3452.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . .
STEERING ANGLE SENSOR, R33 3452.2-02. . . . . . . . . . . . . . . . . . . . . . . . . . .
SUBWOOFER AMPLIFIER MODULE, N44 6510.1-09. . . . . . . . . . . . . . . . . . . .
SUBWOOFER, H66 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 3234.0. . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE,
A12 3234.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPRESSION CAPACITOR, C6000 1210.27-01. . . . . . . . . . . . . . . . . . . . . . .
SYMBOLS 0140.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H30 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H30 6314.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H39 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H39 6314.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SENSOR, B21z 6211.0-06. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SWITCH, S36 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE SWITCH, S36 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE WHEEL SWITCH, S531 6450.6-01. . . . . . . . . . . . . . . . . . . . .
TEMPERATURE WHEEL SWITCH, S531 6450.6-06. . . . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SENSOR (TOENS) CONTROL MODULE,
A19007 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SWITCH, B6254 1210.27-12. . . . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SWITCH, B6254 6211.0-04. . . . . . . . . . . . . . . . . . . . . . .
THERMAL OIL LEVEL SWITCH, B6254 6211.0-05. . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT, CHARACTERISTIC MAP COOLING, B6279 1210.26-05. . THROTTLE POSITION SENSOR, R6252 1210.27-04. . . . . . . . . . . . . . . . . . .
TILT SUNROOF MOTOR, M24y 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TILT SUNROOF SWITCH, S38y 5410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIRE INFLATION SYSTEM 3614.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIRE PRESSURE WARNING SYSTEM (RDW) 3623.1. . . . . . . . . . . . . . . . . .
TIRE PRESSURE WARNING SYSTEM (RDW) PUSHBUTTON,
S555 3623.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION CONTROL MODULE (EGS), A7000 2460.14. . . . . . . . . . .
TRANSMISSION POSITION INDICATOR LIGHT, E82 2460.14-03. . . . . . . .
TRANSMISSION POSITION INDICATOR LIGHT, E82 6300.0-02. . . . . . . . . .
TRANSMISSION VALVE UNIT, Y8505y 2460.14-01. . . . . . . . . . . . . . . . . . . . .
TRANSMISSION VALVE UNIT, Y8505y 2460.14-04. . . . . . . . . . . . . . . . . . . . .
TRANSVERSE ACCELERATION SENSOR, B74 3452.1-04. . . . . . . . . . . . . . .
TRANSVERSE ACCELERATION SENSOR, B74 3452.2-04. . . . . . . . . . . . . . .
TURN LIGHT, LEFT FRONT, H7 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT REAR, H6 6313.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT FRONT, H4 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT REAR, H5 6313.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TURN/HAZARD LIGHTS 6313.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNCOUPLING DIODE (LIGHTS), V10 6314.0-02. . . . . . . . . . . . . . . . . . . . . . . .
UNCOUPLING DIODE (LIGHTS), V9 6314.0-02. . . . . . . . . . . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K9 6424.0-00. . . . . . . . . . . . . . . . . . . . . . .
VALVE, INDIVIDUAL CONTROL INTAKE SYSTEM, Y6167 1210.26-03. . . .
VARIABLE CAMSHAFT CONTROL VALVE 1 (INLET), Y6275z 1210.26-03.
VARIABLE CAMSHAFT CONTROL VALVE 2 (OUTLET), Y6276 1210.26-03
VARIABLE CAMSHAFT CONTROL VALVES, Y5255 1210.27-03. . . . . . . . . .
VEHICLE SPEED SENSOR, B10 6211.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . .
WASHER JET HEATER, LEFT, E51 6169.0-00. . . . . . . . . . . . . . . . . . . . . . . . . .
WASHER JET HEATER, RIGHT, E52 6169.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
WASHER PUMP, M4 6160.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WASHER PUMP, M4 6160.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER VALVE, Y4z 6450.6-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER VALVE, Y4z 6450.6-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WINDOW DEFOGGER SWITCH, REAR, S76 6424.0-00. . . . . . . . . . . . . . . . .
WINDOW DEFOGGER, REAR, 6424.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page 148 of 367
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
Page 151 of 367
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
Page 157 of 367
DYNAMIC STABILITY CONTROL (DSC III)
233433303156 X1746
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 WHEELA65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)
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
.5 BR.5 BR
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
Page 159 of 367
Pin Assignments (Z3 Versions Late Production)
E = Input, A = Output, M = Ground
X18303
Pin Type Signal Description/Function Connection
1
E30A52Terminal 30Fuse 52
2E/ADIAG_KDiagnosis TXD signalData link connector
3Not used
4E15A21Terminal 15Fuse 21
5Not used
6EA_LATTransverse acceleration sensor
signalTransverse acceleration sensor
7Not used
8ADFAHRWheel speed signal, right rearEngine control module (DME)
9EBRFNBrake fluid level signalBrake fluid level switch
10Not used
11E/ACAN_HCAN-bus HighSplice, CAN-bus High
12Not used
13Not used
14Not used
15E/ACAN_LCAN-bus LowSplice, CAN-bus Low
16MGNDGroundGround point
17Not used
18ESENS_DRIV1Pressure sensor signalPressure sensor
19MGND_DRIV1GroundPressure sensor
20AP_DRIV1Voltage supplyPressure sensor
21MGND_DRIV2GroundPressure transmitter
22ESENS_DRIV2Pressure transmitter signalPressure transmitter
23AP_DRIV2Voltage supplyPressure transmitter
24MGND_YAWGroundTransverse acceleration sensor,
RPM rate sensor
25Not used
26ASENSP_YAWVoltage supplyTransverse acceleration sensor,
RPM rate sensor
27EHANDBHandbrake signalHandbrake switch
28Not used
Page 166 of 367
DYNAMIC STABILITY CONTROL (DSC MK 60)
4546363733344342 X18303
12 X1339521 X37621 X1339421 X377
B2
LEFT FRONT SPEED
SENSOR – ABSB4
LEFT REAR SPEED
SENSOR – ABSB1
RIGHT FRONT SPEED
SENSOR – ABSB3
RIGHT REAR SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEELA65
DYNAMIC STABILITY
CONTROL UNIT (DSC)
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
Z3 VERSIONS LATE PRODUCTION
Page 168 of 367
.5 GE
.5 BR
X6021
S555
TIRE PRESSURE WARNING
SYSTEM (RDW) PUSHBUTTON
1) OFF
2) TEACH–IN PROCESS
3623.1 TIRE PRESSURE WARNING SYSTEM (RDW)
233433303156
12X114
21 X142
21X113
21 X143
B2
LEFT FRONT
SPEED SENSOR –
ABSB4
LEFT REAR SPEED
SENSOR – ABS
B1
RIGHT FRONT
SPEED SENSOR –
ABSB3
RIGHT REAR SPEED
SENSOR – ABS
LEFT FRONT
PULSE WHEELA65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
LEFT REAR PULSE
WHEEL
RIGHT 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
31
3131
3131
31P90
FRONT POWER
DISTRIBUTION BOX
23
X17
A2w
INSTRUMENT
CLUSTER
X6021
A6000
ENGINE CONTROL
MODULE (DME) 1
.5 SW/ RT/GE
5
X60535
21
1
X100000
X6000345.5 SW/GN/GE
F275A
X16
X1001714
FUSE DETAILS
0670.3
X6053
.5 SW/GN
8
.5 GE/SWX6000319
7
X100000
2
X18170
GROUND DISTRIBUTION
0670.4
17 X1746
.5 BR16
6
7
.5 GEX1893
X1894
.5 BR
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54 B32)
1210.27
.5 BR
37
36
.5 GE
X18835
X18836ENGINE CONTROL
SYSTEM MSS54 (6–CYL-
INDER S54 B32)
1210.27
.5 GE
CAN+ CAN–
CAN+ CAN–
X60004
CAN+ CAN–
.5 GE/SW
.5 GE/SW
Page 246 of 367
\b
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY
6450.6-02
F397.5A
F165A
Y2
AIR CONDITIONING
COMPRESSOR
6450.6-02
A6000
ENGINE CONTROL
MODULE (DME)
6450.6-02
K4
BLOWER RELAY
6450.6-00
F20
30A
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
41
R11
BLOWER
RESISTORS
6450.6-00
S75
BLOWER SWITCH
6450.6-00
M30
BLOWER MOTOR
6450.6-00
3258
3
A2w
INSTRUMENT
CLUSTER
6450.6-01B14
EVAPORATOR
TEMPERATURE
SENSOR
6450.6-01
6
X18349
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR
6450.6-01
S531
TEMPERATURE
WHEEL SWITCH
6450.6-01
A605
FUSE HOLDER
F953
2A
6450.6-02 6450.6-00
6450.6-01
6
Y4z
WATER VALVE
6450.6-01
P90
FRONT POWER
DISTRIBUTION BOX
K22
HIGH SPEED
RELAY
B9
INTERMEDIATE
PRESSURE
SWITCH S36
TEMPERATURE
SWITCHM9
AUXILIARY FAN
MOTORK21
NORMAL SPEED
RELAY
6450.6-03 6450.6-03
6450.6-03 6450.6-03
6450.6-03
6450.6-03
B8y
PRESSURE
SWITCH
A2w
INSTRUMENT
CLUSTER
6450.6-03
B9508
PRESSURE
SWITCH
F165AF4030A
S221
EVAPORATOR
CONTROLLER
5 X18350
F2410A
AUXILIARY FAN
2 X18350
Z3 VERSIONS
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL
Page 247 of 367
M VERSIONS
P97
AUXILIARY FUSE
BOX
K21
NORMAL SPEED
RELAY
S36
TEMPERATURE
SWITCHK22
HIGH SPEED
RELAY
6450.6-07
6450.6-076450.6-07
F165AF4840A
A6000
ENGINE
CONTROL
MODULE (DME) 6450.6-07
P90
FRONT POWER
DISTRIBUTION
BOXP90
FRONT POWER
DISTRIBUTION BOX F16
5A
M9
AUXILIARY FAN
MOTOR 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-06
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-06
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-06
K4
BLOWER RELAY 6450.6-04 F20
30A
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
43
R11
BLOWER
RESISTORS 6450.6-04
S75
BLOWER
SWITCH 6450.6-04
M30
BLOWER MOTOR 6450.6-04
1258
S221
EVAPORATOR
CONTROLLER
3
A2w
INSTRUMENT
CLUSTER 6450.6-04
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-05
26
X18349
X18350
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-05
S531
TEMPERATURE
WHEEL SWITCH 6450.6-06
A605
FUSE HOLDER
F953
2A
S2
IGNITION SWITCH 6450.6-046450.6-06 6450.6-04
6450.6-06
K33a
AIR CONDITIONING
RELAY, MOTRONIC 6450.6-04
6
Y4z
WATER VALVE 6450.6-05
B9
INTERMEDIATE
PRESSURE
SWITCHB8y
PRESSURE
SWITCH
5 X18350
B9508
PRESSURE
SWITCH 6450.6-07 6450.6-07
NOT USED6450.6-07
6450.6-07
AUXILIARY FAN
K104
AIR CONDITIONING
RELAY/AUXILIARY
WATER PUMP 6450.6-06
F5430AP90
FRONT POWER
DISTRIBUTION
BOX
M37a
AUXILIARY WATER
PUMP 6450.6-06
A2w
INSTRUMENT
CLUSTER 6450.6-07
INTEGRATED HEATING– AND CLIMATE CONTROL
Page 251 of 367
INTEGRATED HEATING– AND CLIMATE CONTROL
X11287
X11287
F9532A
6450.6-00
X7711
GROUND
DISTRIBUTION
0670.4
6450.6-00
.5 GN/BR1.5 GN/BR1.5 GN/BR
1.5 GE1 SW/VI
X18350
X683091 GN/BR
S531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
A605
FUSE HOLDER
Y4z
WATER VALVES221
EVAPORATOR
CONTROLLER
B14
EVAPORATOR
TEMPERATURE
SENSORM111
FRESH AIR
RECIRCULATION
MOTOR S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
0) OFF
1) AIR CONDI-
TIONING
2) AIR RECIRCU-
LATING
.5 BL4
X5115
2 1
X851
X853
.5 BL
X10054
2
.5 BL
X13004
X7712
X183506
.75 SW/WS
147 X18349
X18349
1.5 GE.5 GN
.5 GN/BR
X151713 3285
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
6
GROUND
DISTRIBUTION
0670.4
X15172
X13004
GROUND
DISTRIBUTION
0670.4 6450.6-00 X5115
1(PARTIAL)
1 SW/VIX1891 SW/VI
0101020201
X9633
X10054
A2w
INSTRUMENT
CLUSTER
5
X271
6
.5 VI/GR
Z3 VERSIONS