steering BMW Z3M ROADSTER 2000 E36 Electrical Troubleshooting Manual

INDEX
















RIGHT MID–HIGH RANGE SPEAKER, REAR, H54z 6510.1. . . . . . . . . . . . .
RPM RATE SENSOR, B75 3452.1-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-02. . . . . . . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01. . . . . . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-03. . . . . . . . .
SEAT HEATER SWITCH, DRIVER’S SEAT, S53 5203.0. . . . . . . . . . . . . . . . .
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 5203.0. . . . . . . . . . . . .
SEAT HEATER, DRIVER’S, E57 5203.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT HEATER, PASSENGER’S, E58 5203.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-00. . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-02. . . . . . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-03. . . . . . . . . . . . . . . . .
SEAT LENGTH ADJUST CUT–OFF RELAY, PASSENGER’S,
K911 5200.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT LENGTH ADJUST CUT–OFF RELAY, DRIVER’S, K921 5200.0-02. . .
SEAT LIMIT SWITCH, DRIVER’S, S910 5200.0-02. . . . . . . . . . . . . . . . . . . . . . .
SEAT LIMIT SWITCH, PASSENGER’S, S911 5200.0-03. . . . . . . . . . . . . . . . . .
SEAT MAT, I1008 3234.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-02. . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-03. . . . . . . . . . . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-03. . . . . . . . . . . . . . . . . . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, DRIVER’S, K920 5200.0-02. . . . . . .
SEAT TILT ADJUST CUT–OFF RELAY, PASSENGER’S, K910 5200.0-03. . .
SEATBACK HEATER, DRIVER’S, E56 5203.0. . . . . . . . . . . . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0. . . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, K6304 1210.17-05. . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP RELAY, Y6304 1210.25-04. . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.17-05. . . . . . . . . . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.25-03. . . . . . . . . . . . . . . . . . . . SHIFT–LOCK,Y19 2460.2-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-01. . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, PASSENGER’S, B79 3234.0-01. . . . . . . . . . . . . . . .
SLIP CONTROL (ABS/ASC) 3450.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SLIP CONTROL MODULE (ABS/ASC), A52 3450.1. . . . . . . . . . . . . . . . . . . . .
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 1210.17-05. . . . . . . . . . .
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 1210.25-04. . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-04. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-07. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3452.1-05. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-04. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-07. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3452.1-05. . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-04. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-07. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3452.1-05. . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-04. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-07. . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3452.1-05. . . . . . . . . . . . . . . . . . .
SPLICE LOCATION VIEWS 8000.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 1240.0. . . . . . . . . . . . . . . . . . . .
STARTER, M6510 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STEERING ANGLE SENSOR, R33 3452.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . .
SUBWOOFER AMPLIFIER MODULE, N44 6510.1-09. . . . . . . . . . . . . . . . . . . .
SUBWOOFER, H66 6510.1-09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 3234.0. . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL MODULE,
A12 3234.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYMBOLS 0140.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H30 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13
.35 RT/GN
.5 RT/GN
Z3 COUPE


FUSES 5, 6, 7, AND 8










FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
K2
HORN RELAY 6 X56
16
1 RT/WS/GE
6133.030X10015




14
X1234
S47
DRIVER’S DOOR
LOCK SWITCH .5 RT/GN
M12
DRIVER’S DOOR
LOCK MOTOR 6 X660
.5 RT/GN
M13
PASSENGER’S
DOOR LOCK
MOTOR 6 X641
.5 RT/GN
S49
PASSENGER’S
DOOR LOCK
SWITCH 2 X742
.35 RT/GN
M17
LUGGAGE
COMPARTMENT
LOCK MOTOR X311
2 X747
1112 X25712 .35 RT/GN .35 RT/GN .35 RT/GN.75 RT/GN
5126.0
11 X256
.5 RT/GN
5126.0 5126.0
3
5126.05126.0
F75A
2 X279
10
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH 2.5 RT/SW
5200.0F5
30A
6 X63
12
K9
UNLOADER RELAY,
TERMINAL 15 2.5 RT/BR
6424.0F6
20AF815A
2 RT/SW.5 RT/GN
2 X19245
2 X1155
.5 RT/GN
N5
ANALOG CLOCK
6211.0
R33
STEERING ANGLE
SENSOR X1658
3452.1 1
.5 RT/GN
WITH DSC M VERSIONS
Z3 ROADSTER
LATE PRODUCTION

13


FUSES 19, 20, 21, AND 22










FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX




18 20X10017
F1930AF2030A
42
F215AF225A
2 X275
2.5 RT/GE
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
5200.0 2 RT/GE
6 X58K4
BLOWER RELAY 2.5 RT/GN
6450.630
S8
LIGHT SWITCH 2 X503
.5 GN/GE
6300.0
6312.0
S6
ASC SWITCH
3450.1 .5 GN/BL/GEK10485
BRAKE FLUID
LEVEL RELAY 8 X10485
3452.1
6211.0.5 GN/BL/GE
.5 GN/BL/GE
X1163
6X521
WITH ASC
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
3452.112X1746
S6y
DSC SWITCH
3452.11X521
R33
STEERING ANGLE
SENSOR
3452.12X1658
X1163
A52
SLIP CONTROL
MODULE
(ABS/ASC)
3450.14X1170
WITH DSC
Z3 VERSIONS
.5 GN/BL/GE .5 GN/BL/GE .5 GN/BL/GE
COUPE
ROADSTERROADSTER 1
6.5 GN/BL/GE.5 GN/BL/GE X10016
EARLY
PRODUCTION
Z3 ROADSTER
LATE PRODUCTION



GROUND DISTRIBUTION
GROUNDS X170, X492 AND X494













.5 BRX113
3B1
RIGHT FRONT
SPEED SENSOR –
ABS
X170
Z3 VERSIONS
.5 BRX324
4S127y
PASSENGER’S
POWER WINDOW
SWITCH
X3164S126y
DRIVER’S POWER
WINDOW SWITCH
.5 BR
X494
2.5 BR
X18510
X117024A52
SLIP CONTROL
MODULE
(ABS/ASC)
2.5 BR
8
4 BR.5 BR X114
3B2
LEFT FRONT
SPEED SENSOR –
ABS
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
X18510
X174629
2.5 BR
1
2.5 BR
WITH DSC WITH ASC
2.5 BRX1656
1M118
PRECHARGE PUMP
X16585R33
STEERING ANGLE
SENSOR
.5 BR
X492
WITH DSC WITH DSC



DATA LINK
RXD AND TXD






 






A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X183
.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X10182
X1805
TXD
TXD.5 WS/VI .5 WS/VI
12
4
11
TXD
R33
STEERING ANGLE
SENSOR X1658TXD .35 WS/VI
6
A35y
BOARD
COMPUTER
(BC – LOW) X10245
2
TXD X6002
20
.5 WS/VI
15 X6002
.35 WS/GE
D100
DATA LINK
CONNECTOR
17D100
DATA LINK
CONNECTOR
.5 WS/VI.5 WS/VI
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170TXD 7
.35 WS/VI .5 WS/VI
A6000
ENGINE CONTROL
MODULE (DME) X60004TXD2 32
X600026TXD2
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC) X1746TXD .35 WS/VI
8
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X101829RXD
A35y
BOARD
COMPUTER
(BC – LOW)
X102453RXD
.35 WS/GE
X182
.5 WS/GE
Z3 VERSIONS
A8500
TRANSMISSION
CONTROL MODULE
(EGS) X8500TXD2 88
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE X19007TXD 10
.35 WS/VI
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE.5 WS/VI
X74
9
TXD
WITH DSC
WITH DSC

32X17461716


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)



 






6
11191 .5 BL
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME) X60004
22 21 X1170
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 BR/GN
6
X8500
88X60002
4
86 .35 GE3
85
.35 SW .5 WS/VI

X1893
.35 WS/GN
G6509
GENERATOR
13
X6524
2 .5 BL
26
X6231
1X60003
.5 BR/GN
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE11
.5 GE 10.5 BR
3637
A2w
INSTRUMENT
CLUSTER
14
FUSE DETAILS
0670.3
F275A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
23
X1894
32 X60004
.5 WS/VI
X600217
D100
DATA LINK
CONNECTOR X17
.5 GE
X213
.5 BL
CAN + CAN –
CAN + CAN –TXD2 TXD2
D+
CAN + CAN –TXD2
CHARGING
SYSTEM
1230.0.5 BR


12
CAN –CAN +
Z3 VERSIONS
67.5 GE
CAN + CAN – .5 BR
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)43

X1658
CAN + CAN –
R33
STEERING ANGLE
SENSOR
.5 GE .5 BRWITH DSC
X16

                   
                                       
10/993452.12000
F4115A
14
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
M118
PRECHARGE PUMP 3452.1-00
29243620
Y16z
PRESSURE TRANS-
MITTER 3452.1-00
1543
X1746
F215AP90
FRONT POWER
DISTRIBUTION BOX
ABS
F75A
A2w
INSTRUMENT
CLUSTER 3450.1-00
3450.1-03
3450.1-04
3452.1-00
3452.1-02
42
F275A
28193452.1-04
S31
PARK BRAKE
SWITCH
P
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 AC-
CELERATION
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 3452.1-053041
B18
BRAKE FLUID
LEVEL SWITCH 3452.1-01K10485
BRAKE FLUID
LEVEL RELAY 3452.1-01
EARLY PRODUCTION LATE PRODUCTION
3452.1 DYNAMIC STABILITY CONTROL (DSC III)

24
13





 






DYNAMIC STABILITY CONTROL (DSC III)
6P90
FRONT POWER
DISTRIBUTION BOX
.5 GR/RT
S6y
DSC SWITCH
1) OFF
2) ON
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)X521
4 5
X18170
27 X1746
FUSE DETAILS
0670.3
2X521
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
ROADSTER
ROADSTER
TXD






 






DYNAMIC STABILITY CONTROL (DSC III)
.35 WS/GN
3217X1746
.5 GE
A65
DYNAMIC STABIL-
ITY 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



COMPONENT LOCATION CHART











COMP.8500.0 7100.0LOCATION DESCRIPTION


A837 .

ELECTRONIC IMMOBILIZER CONTROL
MODULE (EWS III) . . . . . . . . . . . . . . . . . . .
LH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49-1


A6000 ENGINE CONTROL MODULE (DME) . . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1

A6000
ENGINE CONTROL MODULE (DME) . . . . .
rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . .
47-2

A8500

TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47-1



A9008

CRUISE CONTROL INTERFACE . . . . . . . .

near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49-1




A19007

THERMAL OIL LEVEL SENSOR (TOENS)
CONTROL MODULE . . . . . . . . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50-2


B1 . . . . RIGHT FRONT SPEED SENSOR – ABS . . on RH front wheel, above brake caliper
B2 . . . . LEFT FRONT SPEED SENSOR – ABS . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
B3 . . . . RIGHT REAR SPEED SENSOR – ABS . . . on RH rear wheel, above brake caliper

B4 . . . .
LEFT REAR SPEED SENSOR – ABS . . . .
on LH rear wheel, above brake caliper



B6y . . . FUEL SENSOR . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank
B8y . . . PRESSURE SWITCH . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
B9 . . . . INTERMEDIATE PRESSURE SWITCH . . . front RH side of engine compartment
B10 . . VEHICLE SPEED SENSOR . . . . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

B14 . .
EVAPORATOR TEMPERATURE SENSOR
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21-2

B16 . . LEFT FRONT BRAKE PAD SENSOR . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
B17 . . RIGHT REAR BRAKE PAD SENSOR . . . . . behind RH rear wheel
B18 . . BRAKE FLUID LEVEL SWITCH . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1

B21 . .
ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-3