engine BMW Z3M COUPE 1999 E36 Electrical Troubleshooting Manual



2
FUSES 48 AND 49







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/GN
M VERSIONS

.5 RT/
WS/GE


FUSE 202






FUSE DETAILS



P98
FUSE HOLDER IN
E–BOX
X9664
4 X8680
8
A6000
ENGINE CONTROL
MODULE (DME)
1210.25F202
30A
X61201
Y6120
EVAPORATIVE
EMISSION VALVE
4 RT/WS/GE
1 RT/
WS/GE
X61302
Y6130
IDLE SPEED
CONTROL VALVE
X61672
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEMX600019
X6960
.5 RT/
WS/GE
1210.251 RT/
WS/GE
1210.25
X61632
Y6163
SECONDARY AIR
PUMP VALVE
1210.25
2 X60532.5 RT/WS/GE
2.5 RT/WS/GE
1210.25
X62751
Y6275z
VARIABLE CAM-
SHAFT CONTROL
VALVE 1 (INLET)
X62761
Y6276
VARIABLE CAM-
SHAFT CONTROL
VALVE 2 (OUTLET)
1210.25.5 RT/
WS/GE
1210.25 1.5 RT/
WS/GE.5 RT/
WS/GE.5 RT/WS/GE
.5 RT/
WS/GE
X61011
Y6101
CYL. 1 FUEL
INJECTION VALVE
1210.25
X61021
Y6102
CYL. 2 FUEL
INJECTION VALVE
X61031
Y6103
CYL. 3 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE .5 RT/
WS/GE
X61041
Y6104
CYL. 4 FUEL
INJECTION VALVE
1210.25
X61051
Y6105
CYL. 5 FUEL
INJECTION VALVE
X61061
Y6106
CYL. 6 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE
X6963
1.5 RT/WS/GE




GROUND DISTRIBUTION
GROUND X166


X7662
S21w
ENGINE HOOD
SWITCH
.5 BR .5 BR








X3711X190221
2.5 BR
M9
AUXILIARY FAN
MOTOR
E21
LEFT FRONT
MARKER LIGHT
1 BR
X1321H2
LEFT HORN
X1311
E11
LEFT HIGH BEAM
LIGHT
X1301
E13
LEFT LOW BEAM
LIGHT
X1614X698
X699
X697
X11339
1.5 BR 1.5 BR
4 BR 1.5 BR1.5 BR
4 BR
6 BR
X166
X1281
.75 BR
X3891
H9
LEFT FRONT
AUXILIARY TURN
LIGHT
.5 BR
H4
RIGHT FRONT
TURN LIGHT
E15
LEFT PARK LIGHTH7
LEFT FRONT TURN
LIGHT
E7
LEFT HEADLIGHT
M VERSIONS
K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)
X13764
.5 BR
COUPE

X7681
E26
LEFT FOG LIGHT



GROUND DISTRIBUTION
GROUND X166


X7662
S21w
ENGINE HOOD
SWITCH
.5 BR .5 BR








X3711X821
2.5 BR
M9
AUXILIARY FAN
MOTOR
E21
LEFT FRONT
MARKER LIGHT
1 BR
X1321H2
LEFT HORN
.75 BR
X1311
E11
LEFT HIGH BEAM
LIGHT
X1301
E13
LEFT LOW BEAM
LIGHT
X697
X11339
1.5 BR 1.5 BR
4 BR
X166
X1281
.75 BR
X3891
H9
LEFT FRONT
AUXILIARY TURN
LIGHT
.5 BR
H4
RIGHT FRONT
TURN LIGHT
E15
LEFT PARK LIGHTH7
LEFT FRONT TURN
LIGHT
E7
LEFT HEADLIGHT
Z3 VERSIONS
X600219
2.5 BRD100
DATA LINK
CONNECTOR
1.5 BR



W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
1.5 BR
GROUND DISTRIBUTION
GROUND X6454












.5 BR
X6459
X6454
1.5 BR/OR
4 BR4 BR/OR19
X6002D100
DATA LINK
CONNECTOR M6506
E–BOX FAN
X6458
2.5 BR 1.5 BR1.5 BR/OR
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
B6207
HOT FILM AIR
MASS METER
X6492
.5 BR/OR
X60004343228X62071
A6000
ENGINE CONTROL
MODULE (DME)
K6326
UNLOADER RELAY,
TERMINAL 15
X6326
4
.5 BR
M VERSIONS
X65061
.5 BR
EARLY
PRODUCTION



GROUND DISTRIBUTION
GROUND X6454











4 BR
X6454
1.5 BR/OR
X6458
X850034A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1.5 BR
28
Z3 VERSIONS
X62542B6254
THERMAL OIL
LEVEL SWITCH
.5 BR
X60534
.5 BR
X65062M6506
E–BOX FAN
.5 BR
X63264K6326
UNLOADER RELAY,
TERMINAL 15
.5 BR
1.5 BR
X600014A6000
ENGINE CONTROL
MODULE (DME)
1.5 BR/OR
6
1.5 BR
5X600055
2.5 BR
X60542
2.5 BR



T6154
CYL. 4 IGNITION
COIL
X61522
GROUND DISTRIBUTION
GROUNDS X6455 AND X6456











X61532
1 BR T6152
CYL. 2 IGNITION
COIL
T6151
CYL. 1 IGNITION
COIL
X61562T6156
CYL. 6 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
2T6155
CYL. 5 IGNITION
COIL
X6155
X6456
X61542
X6900
1 BR
1.5 BR X6151
2
1 BR 1 BR 1 BR 1 BR
X6000
A6000
ENGINE CONTROL
MODULE (DME)
56
240
R8554
RESISTOR
1.5 BR 2W.5 BR
Y6133
AIR PUMPX61331
4 BR
X6455
K6304
SECONDARY AIR
PUMP RELAY
X63045
4 BR .35 BR
X6460
X61502
.5 BR
M VERSIONS
X60005
A6000
ENGINE CONTROL
MODULE (DME)
6
.5 BR
Z3 VERSIONS

INSTRUMENT
CLUSTER
6211.0


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
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER S52)
1210.17
SLIP CONTROL
(ABS/ASC)
3450.1
DRIVE–AW AY
PROTECTION
(EWS III)
6135.1
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0
ENGINE CONTROL
SYSTEM MS42.1
(6–CYLINDER M52)
1210.25



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
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE X74TXD .5 WS/VI
9
A35y
BOARD
COMPUTER
(BC – LOW) X102452
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
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE X19007TXD .35 WS/VI
10
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X101829RXD
A35y
BOARD
COMPUTER
(BC – LOW)
X102453RXD
.35 WS/GE
X182
.5 WS/GE
Z3 VERSIONS
Z3 VERSIONS
A8500
TRANSMISSION
CONTROL MODULE
(EGS) X8500TXD2 88



DATA LINK
DATA LINK CONNECTOR, PINS 1, 7, 14, AND 16







 



X1047
20 X16
.5 SW
A6000
ENGINE CONTROL
MODULE (DME) X60004
.5 SW
.5 SW3
.35 SW
TD 17
5 X1805
.35 SWA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
12 X10017
7
16 X6002
D100
DATA LINK
CONNECTOR
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
15 X17
.35 WS/GN
14 2.5 RT
G1
BATTERY
POWER
DISTRIBUTION
0670.2
X64109
P90
FRONT POWER
DISTRIBUTION BOXF2610A
POWER
DISTRIBUTION
0670.2
1
12 X19007
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
Z3 VERSIONS