1998 BMW Z3M ROADSTER Electrical Troubleshooting Manual






COMPRESSOR CONTROL AND WATER SUPPLY
INTEGRATED HEATING– AND CLIMATE CONTROL !""




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F165A
30
87
F397.5A
18 X10018
FUSE DETAILS
0670.3
.75 SW
2
1
2
.5 SW/BL
5 X51
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY FUSE DETAILS
0670.3
6
4 X51
12 X10016
X10241
86
85
15

4 X20
74 X6000
A6000
ENGINE CONTROL
MODULE (DME) .5 SW/BL
1
P90
FRONT POWER
DISTRIBUTION BOX
&#
M ROADSTER






AUXILIARY FAN
 !""




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INTEGRATED HEATING– AND CLIMATE CONTROL
.5 SW/GN
X19022
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE30
30
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X871 .5 SW/GR
2.5 SW/
BL
X190222 3
3M9
AUXILIARY FAN
MOTOR
4 X5366 X524
X127286
87a 85
8786
85
X127
3
X165
X1001612
8
2X528
X15882
FUSE DETAILS
0670.3
X10027
GROUND
DISTRIBUTION
0670.4
.5 SW/GR
16
5
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
S221
EVAPORATOR
CONTROLLER
.5 VI
1 VI1
4 X10054
X183505 .5 SW/GE
GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
.5 SW/GR 4 BL
4
2
X165
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION
BOX
X1001612
FUSE DETAILS
0670.3
X166
15
2 1
X872
F165A
12 F48
40AF165A
P97
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3
0.5P90
FRONT POWER
DISTRIBUTION
BOX
X6000
5
X205
X100546
X354
85b4 RT/GN
X53
4 RT/GN
.5 SW/GE
X699
2.5 BRNOT USED
X6949
.5 SW/GN .5 SW/GN
6450.6-06 1.5 GE
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPEN 85b
.5 SW/RT
3 X20NOT USED
12
34
4 3
M ROADSTER

31






6510.1 RADIO/HIFI !""



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P90
FRONT POWER
DISTRIBUTION BOX F44
15A
A2w
INSTRUMENT
CLUSTER
2) VEHICLE SPEED
OUTPUT 2 X17
X188
3
5LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.0 28 X10018
.5 GR/RT58g
.5 SW/WS
X322
.5 SW/WS
.5 SW/WS
N9
RADIO 913 .5 GR/RT
16 15
X13016
GROUND
DISTRIBUTION
0670.4
2
161
.75 GE/RT1523
326 X18126X606
FUSE DETAILS
0670.3
N9
RADIOA18
HIFI AMPLIFIER
.75 BR/SW .75 BL/SW .75 BL/VI
VL+ VR+ HL+ HR+
.5 WSANT
F920A
18 X10015
1 X605
8 17
.75 GE/BR
VL–124
.75 GE/BR
HL–11 14
.75 BL/BR
VR –141
.75 BL/GR
HR–
X606
X18126
FUSE DETAILS
0670.3
1
X322
.5 WS/BR
4 .5 WS/BR
X181265
GAL 31 30 R 58g MUTE
VL+ VR+ HL+ HR+
VL–VR– HL–HR–
F920A
18 X10015
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
6 X400
TELEPHONE
CONNECTOR
7
3 X181802
1 X18180
N22
CD CHANGER2
GAL
1 X424N8
ANTENNA
AMPLIFIER AM/FM
.5 WS
I–BUSI–BUS
.35 WS/GR/GE
10
X830
X605
.5 WS
HIFI HIFI, HARMAN
KARDON SOUND
SYSTEM
1 X1715

1X18774324






RADIO/HIFI !""



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.75 GE/GR
25
1 .75 GE/GN
10 .75 GE/BL
X60621
X18196
22
5
A18
HIFI AMPLIFIER
.75 GE/BR
6
2 X181901
X75321
H57
LEFT REAR LOW
RANGE SPEAKER 11 6
H52
RIGHT REAR LOW
RANGE SPEAKER
X102466
7
H500
REAR WOOFER
X605
TLH+ TRH– HLV– HLV+ MLV+
26MLV–12
1 TLH–5
12TRH+
.75 GE/GR .75 BL/GR.75 GE/BL .75 BL/VI
.5 GE/BR .5 GE/RT .5 GE/SW .5 GE/BR
H55
LEFT FRONT MID-
RANGE SPEAKERH59
LEFT FRONT HIGH
RANGE SPEAKER
.5 BL
12
.5 GE .5 BR
10 11
.5 BR
2 X5381 X53721
MLH– MLH+ MRH+
13MRH–
H54z
REAR RIGHT MID–
HIGH RANGE
SPEAKERH55z
REAR LEFT MID–
HIGH RANGE
SPEAKER
HARMAN KARDON
SOUND SYSTEM

X701X700






.5 BL/BR
RADIO/HIFI !""



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.75 GE/RT
8
1 .75 BL/BR
10 .75 BR/OR
23
X18198
24
5
A18
HIFI AMPLIFIER
.75 BL/GN
6
2 X185161
X7462110 7
.75 BL/BR
.75 GE/RT
X1381
11
X6053
GROUND
DISTRIBUTION
0670.4
X13016
TRV–TLV+ HRV– HRV+ MRV+31
9
.75 BL/RT
1TRV+8
.75 GE/BR
1TLV–9X606
MRV–
.5 BL/BR .5 BL/RT .5 BL/SW
4
H54
RIGHT FRONT MID-
RANGE SPEAKERH50
RIGHT FRONT
HIGH RANGE
SPEAKERH51
RIGHT FRONT LOW
RANGE SPEAKERH58
LEFT FRONT LOW
RANGE SPEAKER
GROUND
DISTRIBUTION
0670.4
X1380
31






RADIO/HIFI !""



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.23 VI
7N9
RADIO
X18521
8
+ –
N22
CD CHANGER
.23 GN
6
1
.23 GE1
9.5 BR3
2.23 BL2
10.23 WS10
4.23 SW5
3.23 RT9
6.23 GR4
7
TR8
5 TR
+– LEFT RIGHT
X18520
LEFT RIGHT






PROVISIONS
 !""




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6561.0 CELLULAR TELEPHONE (PROVISIONS)
1 BR
1 3X4005
6
2
FUSE DETAILS
0670.3
X400
.5 WS/BR
6
X18170
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
X1001828
FUSE DETAILS
0670.3
F3310AF4415A
25
X213
X8004
1.5 BL
.5 BL
X20
.5 BL
X3221
.5 WS/BR
X181264
N9
RADIO
TELEPHONE
CONNECTOR
MUTE
.5 BL
CHARGING
SYSTEM
1230.0
CHARGING
SYSTEM
1230.0

X191






 !""



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6571.0 CRUISE CONTROL (TEMPOMAT)
FUSE DETAILS
0670.3 X10017
16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX F28
5A
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
.5 BR/SW
F4615A
X10018
32
.5 VI/GE
L1L2L3L4
X5117
#% & 
# ##
# 
# ##
 *##
# &##
# %#
 ##
25S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
3126
31
.5 BR/SW
1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/
SET
4) ACCELERATE/
SET
20
31
3
22
312
21
314 X72
24
X22
31
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/WS .5 BL/GN .5 BL/GR.5 VI/GE
.5 BL/SW FUSE DETAILS
0670.3
468
5
01
4 3
0
010101
211 1
0
EGS A4S 270R