2000 BMW Z3M ROADSTER Electrical Troubleshooting Manual



GROUND DISTRIBUTION
GROUND X10010













M VERSIONS
X1155
X21114
.75 BRX704
N5
ANALOG CLOCK
X211131
X100592
B59
OIL TEMPERATURE
GAUGE
.5 BR
1
.5 BR .5 BR .5 BR
.5 BR 1
X192453
.5 BRX21111
X211121
B211
VOLTMETER
2
.75 BR/OR
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
24
.75 BR/
OR
A2w
INSTRUMENT
CLUSTER
.5 BR/OR .5 BR/ORA8
CRUISE CONTROL
MODULE
(TEMPOMAT)
X2217
X16
X130253
X101825A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
.75 BR
X13011
.5 BR/ORS58
DRIVER’S SEAT
BELT SWITCH
X778
1
.5 BR/ORS59
PASSENGER’S
SEAT BELT SWITCH
X185181
X658N17
CRASH CONTROL
MODULE
.5 BR/OR
.5 BR/OR
A113
SEAT
OCCUPANCY DE-
TECTOR
X102182
X64591
X10010
1.5 BR/ORX10009
1 BR/OR1 BR/OR
X1313910A22z
ELECTROCHROMIC
REAR VIEW MIR-
ROR
.5 BR/OR
X114310
.5 BR/OR

.75 RT/
WS


GROUND DISTRIBUTION
GROUND X13004













1.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL
SWITCH
2 BR
X13004
4 BR
X2791
2 BR
X99952K911
PASSENGER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
X9997
K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
7X9995
1.5 BR
S911
PASSENGER’S
SEAT LIMIT
SWITCH
.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X11357
1.5 BR
WITH SPORT SEAT WITHOUT SPORT SEAT
2.5 BR
S221
EVAPORATOR
CONTROLLER
X1005431
2.5 BR .5 BR/WS
.5 BRX1517
2M111
FRESH AIR
RECIRCULATION
MOTOR
B14
EVAPORATOR
TEMPERATURE
SENSOR
X7711
X132871M30
BLOWER MOTOR
X183502
X818
1 BR
X189842E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183496
X189832E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
X814
2.5 BR.5 BR/WS
.5 BR/
WS.5 BR/
WS .5 BR
Y6
PASSENGER’S
SIDE MIRROR
.5 BR
X6244
X942
M23
PASSENGER’S
WINDOW MOTOR
X7443
.5 BR
.5 BR
X2561
X3901
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
.5 BR
E800
FRONT LEFT
INTERIOR
LIGHT
X3362
.5 BR
X3571
X190181
1.5 BR
X1620
S13
PASSENGER’S
DOOR JAMB
SWITCH
X3511
.5 BR .5 BR
2.5 BR 2.5 BR
S38y
TILT SUNROOF
SWITCH
X6435
1.5 RT
COUPE
K10485
BRAKE FLUID
LEVEL RELAY
X104856
.5 BR
WITH DSC
EARLY PRODUCTION
E28
FRONT CIGAR
LIGHTER
X101412.5 BR M VERSIONS
Z3 VERSIONS
X99942
E34
FRONT DOME
LIGHT/MAP
READING
ASSEMBLY
X93362
ROADSTER COUPE
Z3 ROADSTER
LATE
PRODUCTION14



GROUND DISTRIBUTION
GROUND X13006












1.5 BR
H5
RIGHT REAR TURN
LIGHTH28
RIGHT BACK UP
LIGHTH30
RIGHT TAIL LIGHTH31
RIGHT BRAKE
LIGHTH39
RIGHT TAIL LIGHT
5 X318E17
RIGHT REAR LIGHT
ASSEMBLY
1.5 BR
0670.4-13 H6
LEFT REAR TURN
LIGHTH24
LEFT BRAKE LIGHTH25
LEFT TAIL LIGHTH27
LEFT BACK UP
LIGHTH37
LEFT TAIL LIGHT
1 X319
E16
LEFT REAR LIGHT
ASSEMBLY
0670.4-13







GROUND DISTRIBUTION
GROUND X13006









E99
HARD TOP
CONNECTOR 1
X3801
X1102
X13007
.5 BR
2.5 BR
4 BR
X13006.5 BR
X4131
H34
HIGH LEVEL STOP
LIGHT
.5 BR
E9
REAR DEFOGGER I
X13017
2
X12661
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X11209
2
2.5 SW
X9824
2.5 BR
2.5 BR
X11209
2
WITHOUT HARD
TOP PROVISIONS WITH HARD TOP
PROVISIONS
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X10299
2
.75 BR
2.5 BR
.5 BRX352
1S14
DRIVER’S DOOR
JAMB SWITCH
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
X2751
2 BR
X99917K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X9993
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
2X9991
1.5 BR
X99902S910
DRIVER’S SEAT
LIMIT SWITCH
.5 BR
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
2 BR
WITH SPORT SEAT WITHOUT SPORT
SEAT
2.5 BR 1.5 BR
2 BR
1.5 BR
2.5 BR
0670.4-12
.5 BR.75 BR
X130571A36
REAR WIPER/
WASHER INTERVAL
CONTROL MODULE
2.5 BRCOUPE
X3801E9
REAR DEFOGGER I
2.5 BR COUPE
1.5 BR
1.5 BR Z3 VERSIONSX102851M17
LUGGAGE COMPART-
MENT LOCK MOTOR
1.5 BRM COUPE
X7131
B17
RIGHT REAR
BRAKE PAD
SENSOR
X7112S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH
E32
LUGGAGE
COMPART-
MENT LIGHT
3 X712
COUPE
.75 BR
X90232X114022
X114032X91625
X7101
E44
RIGHT LICENSE
PLATE LIGHT
.75 BR
X7091
E43
LEFT LICENSE
PLATE LIGHT
.75 BR
M ROADSTER M COUPE Z3 VERSIONS
NOT
M COUPE.75 BR
Z3 ROADSTER
LATE
PRODUCTION14



GROUND DISTRIBUTION
GROUNDS X13016 AND X13032












2.5 BRX605
4
X8243A18
HIFI AMPLIFIERX65001M2
FUEL PUMP
2.5 BR 2.5 BR
X1812615N9
RADIO
1.5 BR
2.5 BR
X181801N22
CD CHANGER
.5 BR
X13032
X171726A18
HIFI AMPLIFIER
2.5 BR
X824
X1812615N9
RADIO
1.5 BR
X181801N22
CD CHANGER
.5 BR
2.5 BR
X1877426N44
SUBWOOFER
AMPLIFIER
MODULE
2.5 BR
X13016
2.5 BR
ROADSTER WITH HARMAN
KARDON SOUND SYSTEM
EARLY PRODUCTION,
AND COUPEROADSTER WITH HIFI AND
ROADSTER WITH HARMAN
KARDON SOUND SYSTEM
LATE PRODUCTIONWITH HARMAN KARDON
SOUND SYSTEM

M VERSIONSS6y
DSC SWITCH
Z3 COUPE
.5 BR4


GROUND DISTRIBUTION
GROUND X18170













X400
.5 BR
1E58
PASSENGER’S
SEAT HEATER
S6
ASC SWITCH
X521
2
1 BR
X7403E59
PASSENGER’S
SEATBACK HEATERA837
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS III)
X18051
2 TELEPHONE
CONNECTOR
X7333E56
DRIVER’S
SEATBACK
HEATER1E57
DRIVER’S SEAT
HEATER
.5 BR
1.5 BR
X1617
.5 BR
1.5 BR
X1618
.5 BR
B2
LEFT FRONT
SPEED SENSOR –
ABS
.5 SW
B1
RIGHT FRONT
SPEED SENSOR –
ABS
X1143
X1133.5 SW
.5 BR
4X195275
M VERSIONS
D110
OBD II
CONNECTORX13304
0670.4-160670.4-16
M VERSIONS AND
Z3 VERSIONS
EARLY PRODUCTION
M VERSIONS AND
Z3 VERSIONS
EARLY PRODUCTION
.5 BR
Z3 VERSIONS
LATE PRODUCTION
.5 BRC100
CONTACT RING
X7836
.75 BRS7
COMBINATION
SWITCH
X321.5 BRZ3 VERSIONS
Z3 VERSIONS.5 BR
.5 BR Z3 VERSIONS
LATE PRODUCTION
1 BR
X7333E56
DRIVER’S
SEATBACK
HEATER
E57
DRIVER’S SEAT
HEATER
X27524
.75 BR .75 BR.75 BR
.75 BR
X18178
X898
.5 BR1
Z3 COUPE
.5 BR
E58
PASSENGER’S
SEAT HEATER
E59
PASSENGER’S
SEATBACK HEATER
X7403
X27924
.75 BR .75 BR .75 BR
.75 BR
X18179
S76
REAR WINDOW DE-
FOGGER SWITCH
.5 BR1 BR
48



GROUND DISTRIBUTION
GROUND X18170














0670.4-15.5 BR
4 BR
X11355
.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
4 BR
X1325215A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
S8503
PROGRAM SWITCH
X85032.5 BR
X18170
1.5 BR
1.5 BR
1
E28
FRONT CIGAR
LIGHTER
X1014
1.5 BRZ3 VERSIONS
Z3 VERSIONS
1 BR
X4002
.5 BR
X14931
TELEPHONE
CONNECTOR
M VERSIONS
.5 BR .5 BR
Z3 ROADSTER
2X1155
.5 BR .5 BR
1.5 BR
X5322
H10
CHIME MODULE3
X5221
X1213
1
X13047
.5 BR
A110
DIGITAL CLOCK
X5163S18
HAZARD SWITCH X10263
E29
FRONT CIGAR
LIGHTER LIGHT E25
FRONT ASHTRAY
LIGHT
.5 BR
X130451S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 BR
X195274
D110
OBD II
CONNECTOR
X183332S8
LIGHT
SWITCH
.5 BR
X10982
M VERSIONS
.5 BR
N5
ANALOG CLOCK
Z3 VERSIONSE96
GEAR SHIFT
LEVER I
NDICATOR
2.5 BR

INSTRUMENT
CLUSTER
6211.0


BLOCK DIAGRAM
0670.5 DATA LINK





 



TXD RXD
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
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER S52)
1210.17
SLIP CONTROL
(ABS/ASC)
3450.1
DRIVE–AWAY PROTEC-
TION (EWS III)
6135.1
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0ENGINE CONTROL
SYSTEM MS42.1
(6–CYLINDER M52)
1210.25DYNAMIC STABILITY
CONTROL (DSC III)
3452.1