ABS BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






FUSES 21 AND 22
 !""




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FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
S8
LIGHT SWITCH 2 X503
4
.5 GN/GE
6300.02
.5 GN/BL/GE
6312.0
S6
ASC SWITCH
35
3450.1 .5 GN/BL/
GE
K10
ABS RELAY 4 X54
3450.1 .5 GN/BL/
GE
A52
SLIP CONTROL
MODULE
(ABS/ASC)
3450.1 .5 GN/BL/GE
S6
ASC SWITCH 5 X521
3450.1 .5 GN/BL/GE
.5 GN/BL/GE .5 GN/BL/GE
X1163
X1163
5 X521
.5 GN/BL/GEX10017
F215AF225A
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1171
Z3 ROADSTER
6–CYLINDER 4–CYLINDER
3450.1
4X1170
K10
ABS RELAY
3450.0 .5 GN/BL/GE
A7
SLIP CONTROL
MODULE (ABS) 8X11
3450.0
.5 GN/BL/GE
X1163
4X54
19 .5 GN/BL/GE
.5 GN/BL/GE
M ROADSTER
WITH ABS






6332.0
FUSES 36, 37, 38, AND 39
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FUSE DETAILS
12
X5035
S8
LIGHT SWITCHX51K19
COMPRESSOR
CONTROL RELAY
6450.6X11618
K75
ABS PUMP MOTOR
RELAY
3450.0
141618 X10018
6300.0
6314.0P90
FRONT POWER
DISTRIBUTION BOX
2.5 RT/GN .75 RT/GR
X2856
A51
WIPER/WASHER
MODULE
A64
WIPER/WASHER
MODULE (LOW II) 6160.1
2.5 RT/BL/GE 1.5 RT/BL
2.5 RT/GN
F3630AF3710AF3830AF397.5A
6167.16160.1 6320.0M ROADSTER
WITH ABS,
Z3 ROADSTER
6–CYLINDER
1210.17
X16524
A52
SLIP CONTROL
MODULE
(ABS/ASC)
3450.1
2.5 RT/GN
4–CYLINDER
X187672
K95
VALVE RELAY
(ABS/ASC)
3450.1
2.5 RT/GN
M ROADSTER
WITH ASC
6
3450.1






2
FUSES 48 AND 49




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FUSE DETAILS
P97
AUXILIARY FUSE
BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC) X19023
8 X18766
4 RT/WS
 !""
3450.1
F4950A
2
K22
HIGH SPEED
RELAY 6 X53
4 RT/GN
6450.6
F4840A
6 X52
X18061
P95
AUXILIARY FUSE
BOX
X1588
4 RT/GN
6450.6K21
NORMAL SPEED
RELAY 4 RT/GNM ROADSTER
WITH ASC
K22
HIGH SPEED
RELAY 6 X53
6450.6 4 RT/GN
4–CYLINDER M ROADSTER

Z3 ROAD-
STER34–CYLINDER
S36y
DOUBLE
TEMPERATURE
SWITCH
X113791






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0670.4 GROUND DISTRIBUTION
GROUNDS X4 AND X165



X1371 E52
RIGHT WASHER
JET HEATER
E51
LEFT WASHER JET
HEATER
.75 BR .75 BR
 !""




.75 BR
X1051
.5 BR
H4
RIGHT FRONT
TURN LIGHT
.5 BR
X7672E22
RIGHT FRONT
MARKER LIGHT
1 BR
X100882
X1331H3
RIGHT HORN
X1272
B9508
PRESSURE
SWITCH
.5 BR
X1231
X1351
E14
RIGHT LOW BEAM
LIGHT
X1091
X216
X1611
X576
X1610
X11337
2.5 BR 1.5 BR
4 BR 1.5 BR 1.5 BR
4 BR
6 BR .75 BR
X1061
.75 BR
X165.75 BR
1E27
RIGHT FOG LIGHT
X871S36
TEMPERATURE
SWITCH
X1341
E12
RIGHT HIGH BEAM
LIGHT
1.5 BR
X7692.5 SW/BR
X28515A51
WIPER/WASHER
MODULE
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMPX1232
2.5 SW
4–CYLINDER
WITH HEADLIGHT
WASHER WITHOUT HEAD-
LIGHT WASHER
E19
RIGHT PARK LIGHTH4
RIGHT FRONT
TURN LIGHT
E8
RIGHT HEADLIGHT
Y1w
ABS HYDRAULIC
UNIT
6 BR
X4M ROADSTER
WITH ASC X9170






GROUND DISTRIBUTION
GROUNDS X170 AND X494
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2.5 BRX31
4Y1
ABS HYDRAULIC
UNIT
X19526
X11619K75
ABS PUMP MOTOR
RELAY
1.5 BR
4 BR2.5 BRX1176
20Y1
ABS HYDRAULIC
UNIT
X11619K75
ABS PUMP MOTOR
RELAY
1.5 BR
X170
X545K10
ABS RELAY
1 BR
X170
Z3 ROADSTER
6–CYLINDER
.5 BRX324
4S127y
PASSENGER’S
POWER WINDOW
SWITCH
X3164S126y
DRIVER’S POWER
WINDOW SWITCH
.5 BR
X494
2.5 BRX1176
20Y1
ABS HYDRAULIC
UNIT
X11619K75
ABS PUMP MOTOR
RELAY
1.5 BR
X170
X1542
2.5 BR
17X1126A7
SLIP CONTROL
MODULE (ABS)5
.75 BR.75 BR.75 BR 41.5 BR
X19525
1.5 BRM ROADSTER
WITH ABS
4–CYLINDER

X1652






GROUND DISTRIBUTION
GROUNDS X861, X1116, X1166, AND X1441
 !""




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1 X117119A52
SLIP CONTROL
MODULE
(ABS/ASC)
2.5 BR
2.5 BR
3
2.5 BR
X1166
6–CYLINDER
X183635K18363
CONVERTIBLE TOP
RELAY I (CLOSE)
X18364
5K18364
CONVERTIBLE
TOP RELAY II
(OPEN)
2.5 BR
X1116
2.5 BR2X1170
3A52
SLIP CONTROL
MODULE
(ABS/ASC)4119
4–CYLINDER
.75 BR .5 BR .75 BR .75 BR
X1166
X746A12
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE
X1441
.5 BR/SW
X61331Y6133
AIR PUMP
X861
4 BR
4–CYLINDER55 X117529 28
1.5 BR 1.5 BR 1.5 BR
M ROADSTER
WITH ASC

21
.5 BR
.5 BR .5 BR
 !""




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H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
.5 BR X85
3Y4z
WATER VALVE
K48
LOW BEAM LIGHT
RELAY
2
X454
6 BR
X9633
X10024
.5 BR .5 BR
B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X584K4
BLOWER RELAY
.5 BR
X11353
2.5 BRX10048
K46
HIGH BEAM LIGHT
RELAY
X102624
X111
1 BR1.5 BR X1107
.5 BR
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR
6 BR
Z3 ROADSTER 6–CYLINDER
M ROADSTER WITH ABS
X189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BRM ROADSTER AND
4–CYLINDER
NOT USED
WITH EGS
.5 BRX504K33a
AIR CONDITIONING
RELAY, MOTRONIC
M ROADSTER
K46z
DAY LIGHT RELAY
MODULECDN

X22272
.5 BR
.5 BR






GROUND DISTRIBUTION
GROUND X18170
 !""




#""$


.5 BR
X400
X1608
.5 BR
1.5 BR 1.5 BR
.5 BR1E58
PASSENGER’S
SEAT HEATER
S6
ASC SWITCH S4
HORN SWITCH
8
X321
X521
4
X1617
.75 BR
S76
REAR WINDOW
DEFOGGER
SWITCH
X7403E59
PASSENGER’S
SEATBACK
HEATER
.5 BR
X898
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X16597
.5 BR.75 BR 2 TELEPHONE
CONNECTOR
X7333E56
DRIVER’S SEAT-
BACK HEATER1E57
DRIVER’S SEAT
HEATER
4
.5 BR
.5 BR .5 BR
1.5 BR.5 BRX532
2
H10
CHIME MODULE
3
X5221
X1213
1
X13047
.5 BR
A110
DIGITAL CLOCK
X5163S18
HAZARD SWITCH X10263
S8
LIGHT SWITCH
X183332
E29
FRONT CIGAR
LIGHTER LIGHT
E25
FRONT ASHTRAY
LIGHT
X1226
1 BR.5 BR
X10013
.5 BR
X1098
2
.5 BR .5 BR
B1
RIGHT FRONT
SPEED SENSOR –
ABS
X1133
.5 BR
4–CYLINDER
X130451S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 BR
Z3 ROADSTER
M ROADSTER
1
E96
GEAR SHIFT
LEVER INDICA-
TOR
X1439M ROADSTER
.5 BR
S7
COMBINATION
SWITCH
.5 BR

4
.5 BR
 !""




#""$
.5 BR
4 BR
X11355
1.5 BR
.5 BR
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
1
X6514
X10064
.5 BR
X6584S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
X1193
.5 BR
S20w
RADIO ANTI–
THEFT SWITCH
X5391
.5 BR
X3901
X195275
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
4 BR
X1325215A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
S8503
PROGRAM
SWITCH
X85032
.5 BR
X181701.5 BR 1.5 BR .5 BR
4
D110
OBD II
CONNECTOR
S30
BRAKE LIGHT
SWITCH
X784
.5 BR
.5 BR
2
S559
PASSENGER’S AIR
BAG CUT–OFF
SWITCH
X19565
LATE PRODUCTION
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
X1133
.5 SW
.5 BRX96475
.5 SW
B1
RIGHT FRONT
SPEED SENSOR –
ABS
Z3 ROADSTER
6–CYLINDER
LATE PRODUCTION
X1618
1.5 BR1.5 BR
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
X1133
.5 SW
.5 BRX13304.5 SW
B1
RIGHT FRONT
SPEED SENSOR –
ABS
B1
RIGHT FRONT
SPEED
SENSOR –
ABS
X1133
.5 BR
.5 BRM ROADSTER
WITH ASCM ROADSTER
WITH ABS

ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20






BLOCK DIAGRAM
0670.5 DATA LINK !""



 



TXDRXD
D100
DATA LINK
CONNECTOR
#""$
BOARD COMPUTER
(BC – LOW)
6581.3
CENTRAL BODY
ELECTRONICS
(ZKE IV)
6100.0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0
SLIP CONTROL
(ABS/ASC)
3450.1
DRIVE–AW AY
PROTECTION
(EWS II)
6135.0
INSTRUMENT
CLUSTER
6211.0
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER
M52/S52)
1210.17
SLIP CONTROL
(ABS)
3450.0