BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual

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

X6869
.5 WS/VI/GE
.5 WS/VI/GE.5 WS/VI/GEX6867
6–CYLINDER
.5 WS/VI






DATA LINK
TXD
 !""



 
#""$


A2w
INSTRUMENT
CLUSTER
X183
.5 WS/VI
A7
SLIP CONTROL
MODULE (ABS) X11
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X10182
X16
TXD
TXD.5 WS/VI .5 WS/VI
28
1211
TXD
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) X1659TXD .35 WS/VI
2
A35y
BOARD
COMPUTER
(BC – LOW) X10245
2
TXDX6002
20
X20
.5 WS/VI
17
88 X8500
.5 WS/VI
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
88 X6000
.5 WS/VI
A6000
ENGINE CONTROL
MODULE (DME)X6866
17D100
DATA LINK
CONNECTOR
.5 WS/VI
TXD.5 WS/VITXD
6–CYLINDER
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1171TXD 7
.5 WS/VI
.75 WS/VI
6–CYLINDER X1170
4–CYLINDER 36
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE X74TXD .5 WS/VI
9
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1175TXD 46
.5 WS/VI .5 WS/VI
M ROADSTER
WITH ABSM ROADSTER
WITH ASC Z3 ROADSTER
Z3 ROADSTER






DATA LINK
RXD
 !""



 
#""$


X101829A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
RXD
X11718A52
SLIP CONTROL
MODULE
(ABS/ASC)
X2016
X6863
.5 WS/GE .5 WS/GE
X182
.5 WS/GE
.5 WS/GE
RXD
.5 WS/GE
X102453A35y
BOARD
COMPUTER
(BC – LOW)
.35 WS/GE
RXD
X600087A6000
ENGINE CONTROL
MODULE (DME)
RXD
.5 WS/GE
D100
DATA LINK
CONNECTOR
X600215 4–CYLINDER
X16
11A2w
INSTRUMENT
CLUSTER
.5 WS/GE
RXD
M ROADSTER
X11
7A7
SLIP CONTROL
MODULE (ABS)
.5 WS/GE
RXD
Z3 ROADSTER
6–CYLINDERM ROADSTER
WITH ABS

366–CYLINDER
6–CYLINDER
X8072
.5 WS/GN






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



 
#""$


X1047
20 X16
.5 SW
40 X8500
.5 SW
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8015
A6000
ENGINE CONTROL
MODULE (DME) X6000
.5 SW
.5 SW3
.5 SW
TD
20 X20
.5 SW
80
12 X1659
.35 SWA836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12 X10017
7
16 X6002
D100
DATA LINK
CONNECTOR
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
15 X17
19 X20
.5 WS/GN
.5 WS/GN
14 2.5 RT
G1
BATTERY
POWER
DISTRIBUTION
0670.2
X6410
P90
FRONT POWER
DISTRIBUTION BOXF2610A
POWER
DISTRIBUTION
0670.2
1
41 X1171
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 SW
4–CYLINDER
X6412
6–CYLINDER
6–CYLINDER 20 X1175
M ROADSTER

.5 GN/BL
.5 GN/BL
X6459
1.5 BR/OR






DATA LINK
DATA LINK CONNECTOR, PINS 4, 12, 18, AND 19
 !""



 
#""$



D+
12 X6002
D100
DATA LINK
CONNECTOR25 X20
3 X400
X7509
G6509
GENERATOR
1.5 BL
.5 BL .5 BL.5 BL X8004
X213
.75 BL
A2w
INSTRUMENT
CLUSTER 6 X17
.5 BL
D100
DATA LINK
CONNECTOR
18 X6002
60 X6000A6000
ENGINE CONTROL
MODULE (DME)
19
X6454
GROUND
DISTRIBUTION
0670.4
.75 WS/GN
X6860X6463
9 X6091
1.5 BL
TELEPHONE
CONNECTOR
FUSE DETAILS
0670.3
4
24 X10018
P90
FRONT POWER
DISTRIBUTION BOX
F425A2 X6524
G6509
GENERATOR
D+
Z3 ROADSTER
6–CYLINDER
6–CYLINDER 1.5 BR
4–CYLINDER1.5 BL
1.5 BL
G6509
GENERATOR
D+
X7509
D+
1.5 BL
M ROADSTER
A52
SLIP CONTROL
MODULE
(ABS/ASC) 24 X1175
.75 BL
M ROADSTER
WITH ASC

6–CYLINDER
.5 WS/VI/GE






DATA LINK
DATA LINK CONNECTOR, PIN 2 AND OBD II CONNECTOR
 !""



 
#""$


7X19527
D110
OBD II
CONNECTOR
2
X18170
GROUND
DISTRIBUTION
0670.4
X1618
.5 BR 4X6002.5 WS/VI/GE
FUSE DETAILS
0670.3
16
2 X10018
P90
FRONT POWER
DISTRIBUTION BOX
F315A
D100
DATA LINK
CONNECTOR
X6031
.5 WS/VI/GE
45 .5 BR
X1067
.5 RT/GE
X6868

DATA LINK CONNECTOR (X6002)
 !""



 
#""$



DATA LINK
#
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(#-*./

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+*01 230 ,*,21 PIN
NUMBERWIRE COLOR TERMINAL
NUMBERTERMINAL DESCRIPTION
1 122,* 1 122,* 1 122,* 1 122,*
4,2 ,4  1 122,* 1 122,*
410531,226* 1 122,* *,01,2 *,7
0,
*,01,2 *,7 410531,
1 122,*
102810,2111*
-*/ *,01,2 *,7 4105,0,,1,23,*
*,01,2 *,7 01*
!4,!0
!4,!0 -94,!0/
!0



!0
0!
!4, -9!4,!0/
!0 -90!
/

 -9
!1/
!4,
9 (26,*






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20 X60021514
17 X60022
820 Ω BRIDGES IN CAP
OF D100 DATA LINK
CONNECTOR
16 X19527157
BRIDGE IN CAP OF
D110 OBD II
CONNECTOR
#( #' # #& #% ## # "
$ )(' &%#

S221
EVAPORATOR
CONTROLLER 1210.17-09
1210.17-12 * 55 * 76 * 70 * 61 * 78 * 72
45
B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION) 1210.17-06
 !""
#""$
A6000
ENGINE
CONTROL
MODULE (DME) 1210.17-00
7387
1210.17-02
B6207
HOT FILM AIR
MASS METER K6300
ENGINE CONTROL
MODULE RELAY
87
A8500
TRANSMISSION
CONTROL
MODULE (EGS)
26
1210.17-00
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.17-01
29
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
3
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL
18161456
B6205
INTAKE AIR
TEMPERATURE
SENSOR39
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
12 4442
R6252
THROTTLE
POSITION SENSOR
22 1210.17-05
15S2
IGNITION SWITCH
301312
1210.17-03
1210.17-03
1210.17-02
1210.17-05
A836
ELECTRONIC IMMOBILIZER
CONTROL MODULE (EWS II) 1210.17-09
1210.17-12 X6000
88
S221
EVAPORATOR
CONTROLLER
TXD
B8y
PRESSURE
SWITCH
1210.17-02
+
–
G6430
B+ JUMP START
JUNCTION POINT
D100
DATA LINK
CONNECTOR 1210.17-00
19
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.17-07
74K19
COMPRESSOR
CONTROL RELAY
1210.17-07
86
85
F1815A
P90
FRONT POWER
DISTRIBUTION BOX
M2
FUEL PUMPK6301
CYL. 1–6 FUEL
PUMP RELAY
1210.17-10
1210.17-111210.17-10
1210.17-11
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.17-01
241210.17-0562
Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1
Y6120
EVAPORATIVE
EMISSION VALVE
Y6163
SECONDARY AIR
PUMP VALVE
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
23 503368+
–+
–
B9508
PRESSURE
SWITCHX6000
X6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 1210.17-09
1210.17-12
9
A35y
BOARD
COMPUTER
(BC – LOW) 1210.17-098081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-00
B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR II (IN
FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC
CONVERTER)
B62101
OXYGEN SENSOR I (IN
FRONT OF CATALYTIC
CONVERTER) 1210.17-10
1210.17-11
7977715425 75 67
20
A2w
INSTRUMENT
CLUSTER
4636
49
Y6133
AIR PUMP 1210.17-05
F135A
SPARK PLUGS
B6247
CHARCOAL
FILTER SHUT–
OFF VALVE
511210.17-04
K6304
SECONDARY AIR
PUMP RELAY
K6326
UNLOADER RELAY,
TERMINAL 15
35
G6430
B+ JUMP START
JUNCTION POINT1210.17-05
11 4 0
B65
FUEL TANK
PRESSURE
SENSOR 1210.17-0432 3444364158286
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
85415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883 48
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6211210.17-01
1210.17-05
60
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-04
1210.17-08
1210.17-12
10
1210.17-07
1210.17-071210.17-09
69
2852
NOT USED
1210.17-08
1210.17-02
Z3 ROADSTER B6210y
OXYGEN SENSOR (IN
FRONT OF CATALYTIC
CONVERTER)
B6220y
OXYGEN SENSOR
(BEHIND CATALYTIC
CONVERTER) M ROADSTER
Z3 ROADSTER
A7
SLIP CONTROL
MODULE (ABS) 1210.17-12
WITH ABS WITH ASC * M ROADSTER
1210.17-12
Z3 ROADSTER
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)