1999 BMW Z3M COUPE Electrical Troubleshooting Manual



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




 



1 X62072
117.5 SW
.5 GE
B6207
HOT FILM AIR
MASS METER
A6000
ENGINE CONTROL
MODULE (DME)
.5 GE
+–
3X6207
.5 RT/WS
45X60003
.5 GR/BR
6FUSE DETAILS
0670.3
F20320A
X8680
P98
FUSE HOLDER IN
E–BOX
21
.5 BR
8
12X6203
.5 RT/WS .5 RT/WS .5 RT/WS .5 RT/WS
3X6203
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
.5 GE
18.5 BR
5
32X6214
1X6214
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET)
.5 GE
15.5 BR
2
32X6224
1X6224
B6224
CAMSHAFT
POSITION SENSOR
2 (OUTLET)
1X6279
2X6279
B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
Z3 VERSIONS



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




 




X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
10X6301
4
2.5 GN/VI .35 SW/VI
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X60002
X13032
7221624 19 18
234 1
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
3 24 1
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F137.5AF1815A
.5 RT/WS
.5 BR
1201421 13 15
234 1
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
3 24 1
X62201
X62201
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
.5 BR
.5 RT/WS
X60004
X86808P98
FUSE HOLDER IN
E–BOX
FUSE DETAILS
0670.3
F20430A
Z3 VERSIONS

1416





 



19 10
23 25 28 X60003
A6000
ENGINE CONTROL
MODULE (DME) X6205
21 X6205
B6205
INTAKE AIR
TEMPERATURE
SENSOR1 X6236
2 X623821 X6238
B6238
OIL TEMPERATURE
SENSOR
.5 BR


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
.5 SW/VI .5 SW .5 SW/GN .5 GR/BR.5 GR .5 BR/RT .5 RT/BL
X6236
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
A6000
ENGINE CONTROL
MODULE (DME)
9
.5 SW/GE
20
.5 BR/WS
X6385543876
2 X63851109
.75 GR/GN .5 RT/GN .5 RT/GN/GE .75 GR/GE
27 44 43 4
722 24
R6385
THROTTLE
POSITION SEN-
SOR/CRUISE
CONTROL
ACTUATOR
X60003
.5 GR/BR .5 GR/BR
Z3 VERSIONS



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




 



6
11191 .5 BL
A8500
TRANSMISSION
CONTROL MODULE
(EGS)A6000
ENGINE CONTROL
MODULE (DME) X6000422 21 X1170
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 BR/GN
6
X8500
88X60002
4
86 .35 GE3
85
.35 SW .5 WS/VI

X1894
.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
20
366
17 .5 SW
.5 GE
377
A2w
INSTRUMENT
CLUSTER

14
FUSE DETAILS
0670.3
F275A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
23
X1893
32 X60004
.5 WS/VI
X600217
D100
DATA LINK
CONNECTOR X16
X17X16.5 BR
.5 GE .5 SW
X1047X213
.5 BL
TD CAN + CAN –
CAN + CAN –TXD2 TXD2
D+
CAN + CAN –TXD2
15
INSTRUMENT
CLUSTER
6211.0CHARGING
SYSTEM
1230.0
.5 BR


12
CAN + CAN –
CAN –CAN +
Z3 VERSIONS



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




 



A6000
ENGINE CONTROL
MODULE (DME)
29 30
.5 GE .5 SW
2 148 31 32
.5 GN .5 BR
4 3
W9110
SHIELD
X6240
CYL. 4–6 CYL. 1–3
B6240
KNOCK SENSOR
X60003
12
FUSE DETAILS
0670.3
F2610A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
X62542
GROUND
DISTRIBUTION
0670.4
X6454
B6254
THERMAL OIL
LEVEL SWITCH 33
14X1805
.5 SW/VIA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
21
11X19007
.5 GN/GEA19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
X6000412
.75 SW/GNM6510
STARTER
X60003
30h
26
X60004
39
X60003
31X6254
.5 GR/BR
2 X60004
.5 SW/GE
12X10182
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) .5 SW/GE
.5 SW/GE
2
X89977
NOT USED X276
Z3 VERSIONS
X6511



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





 



6
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
4 X51
FUSE DETAILS
0670.3
2 X515
.75 SW
.5 SW/BL
K19
COMPRESSOR
CONTROL RELAY
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
30 86
87 85
X163
X1001818X1001612
F397.5AF165A
2
X1001712
F2610A
X85112
S8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R
21
X5112
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
2) CLOSED IN RE-
VERSE
20
A6000
ENGINE CONTROL
MODULE (DME)
3523
X121
1X60004
.35 BL/BR
2919
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
27655
GROUND
DISTRIBUTION
0670.4
4 X60001
X6454
GROUND
DISTRIBUTION
0670.4X1212.5 BR/OR
1 X85113 X511
6 X60005
GROUND
DISTRIBUTION
0670.4
X6456
BACK UP LIGHTS
6322.0X1169X1169
1 BL/GE1 BL/GE
1 BL/GE
X60004
S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED 12.35 BL/SW
X10010
WITH EGS WITHOUT EGS
3131313131 WITH EGS WITHOUT EGS
X1017012
A9008
CRUISE CONTROL
INTERFACE
Z3 VERSIONS
X60213.75 BL/GE

1230.0 CHARGING SYSTEM










A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL


X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT

 
X7509


M VERSIONS
A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL

CHARGING SYSTEM









A2w
INSTRUMENT
CLUSTER
X176
.5 BL
.5 BL
X400
3
X213
.5 BL


TELEPHONE
CONNECTOR
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT

 
F2610A
12FUSE DETAILS
0670.3
X65242
X65241


F275A
X1001714FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X16
23
Z3 VERSIONS
A6000
ENGINE CONTROL
MODULE (DME)
X60004
1
X6000313 .5 BL