transmission BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






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




#""$


.5 BR
X6459
X6454
1.5 BR/OR
4 BR 4 BR/OR19
X6002D100
DATA LINK
CONNECTOR A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1.5 BR 1.5 BR/OR
X6458
2.5 BR 1.5 BR 1.5 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 BR34 28 X8500
6–CYLINDER
Z3 ROADSTER
M6506
E–BOX FAN
X6506
1
.5 BR
M ROADSTER

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

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

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)


#""$
Pin Assignments
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
60
EProgramming voltageData link connector
61MOxygen sensor heating groundOxygen sensor II (behind catalytic
converter) (M Roadster)
62EActivate valveSecondary air pump valve
63ECyl. 4-6 knock sensorKnock sensor
64ECamshaft positionCamshaft position sensor
65ECamshaft positionCamshaft position sensor
66Not used
67MOxygen sensor signal groundOxygen sensor (in front of catalytic
converter)
68EActivate valveEvaporative emission valve
69EActivate relayFuel pump relay
70MOxygen sensor signal groundOxygen sensor II (in front of catalytic
converter) (M Roadster)
71MOxygen sensor signal groundOxygen sensor (behind catalytic converter)
72MOxygen sensor signal groundOxygen sensor II (behind catalytic
converter) (M Roadster)
73EActivate relayEngine control module relay
74AActivate A/C compressorCompressor control relay
75ESensor signalOxygen sensor (in front of catalytic
converter)
76ESensor signalOxygen sensor II (in front of catalytic
converter) (M Roadster)
77ESensor signalOxygen sensor (behind catalytic converter)
78ESensor signalOxygen sensor II (behind catalytic
converter) (M Roadster)
79MOxygen sensor heating groundOxygen sensor (behind catalytic converter)
80AASC signal ZASlip control module (ABS/ASC)
81AASC signal ZWVSlip control module (ABS/ASC)
82AASC signal MSRSlip control module (ABS/ASC)
83ESensor signalCrankshaft position/RPM sensor
84Not used
85E/ACAN-LOWTransmission control module (EGS)
86E/ACAN-HIGHTransmission control module (EGS)






ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)
X6300
POWER
 !""


#""$



46
.5 RT
4 RT/WS
.5 RT/WS.5 BR
4 RT4 RT
8 X6300
73 5426 X6000
26 X8500
X6821
2
K6300
ENGINE CONTROL
MODULE RELAYG6430
B+ JUMP START
JUNCTION POINT
A6000
ENGINE CONTROL
MODULE (DME)86
8530
87
.5 RT/WS 1.5 RT/WS
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
POWER
DISTRIBUTION
0670.2
54
1210.17-10 1.5 RT/WS1 RT/WS
2.5 RT/WS
1210.17-01 1210.17-01
4 RTX6412
.5 RT/WS
87
2.5 RT14
X6002D100
DATA LINK
CONNECTORX6411
31
6 RTX6430
1210.17-05
1210.17-11
2 X6506M6506
E–BOX FAN
.5 RT/WS
M ROADSTER

ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
X16
 !""


#""$



85X600086 3660 88 X6000
X6002
.35 SW
TDA6000
ENGINE CONTROL
MODULE (DME)
.35 GE
8586 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS) 18.5 GN/BL
D100
DATA LINK
CONNECTOR
20A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
.35 SW
20 X20
.5 SW .5 SW
X8015
31 .5 SW
X165912
.5 SW
X1047
TXD2
X60021
D100
DATA LINK
CONNECTOR
3X6860
X1171
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
41
.5 SW
.5 GN/BLR
.5 SW
17
.5 WS/VI/GE
PGSP
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X8090
.35 GE
1 X20
X8091
.35 SW
2 X20
NOT USEDNOT USED CAN-H CAN-L
.35 SW.35 GE






CAN-HIGH CAN-LOW
X6869DATA LINK
0670.5
.5 WS/VI/GE
.5 WS/VI/GE
Z3 ROADSTER

 !""

#""$
442078308546 X6000
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
S2
IGNITION
SWITCH
1210.20-03
31Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE 1210.20-01
26
1210.20-02
RXD
TXD 87
88
R6252
THROTTLE
POSITION
SENSOR 1210.20-05
B6205
INTAKE AIR
TEMPERATURE
SENSOR 1210.20-05
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.20-04
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.20-04
Y6131
INTAKE AIR RES-
ONANCE CHANGE-
OVER VALVE
Y6120
EVAPORATIVE
EMISSION VALVE
Y6263
FUEL CHANGE-
OVER VALVE 1210.20-09
66
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-06A6000
ENGINE CONTROL
MODULE (DME)
50
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL 1210.20-03
23
X6000

D100
DATA LINK
CONNECTOR
X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-08
S221
EVAPORATOR
CONTROLLER
1210.20-08
B9508
PRESSURE
SWITCH
1210.20-06
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-06
K21
NORMAL SPEED
RELAY
57
G6430
B+ JUMP START
JUNCTION POINT1210.20-00
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
.
.
B6209
HALL EFFECT CAM-
SHAFT SENSOR 1210.20-04
B6217
HOT FILM AIR
MASS METER
45
1210.20-06
1721
F1815A
P90
FRONT POWER
DISTRIBUTION BOX
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.20-021210.20-02
F135A
631210.20-026564
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-05
A836
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS II)
10
A35y
BOARD COMPUTER
(BC – LOW)
838
A2w
INSTRUMENT
CLUSTER
4280
1210.20-08
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
69
1210.20-08
S221
EVAPORATOR
CONTROLLER
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.20-08
36K19
COMPRESSOR
CONTROL RELAY
1210.20-08
86
85
19177
B6240
KNOCK SENSOR 1210.20-05
407071
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-04
74
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-05
34 55679
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-06
323
G6430
B+ JUMP START
JUNCTION POINT1210.20-09
1210.20-05
1210.20-07 1210.20-06
461 581210.20-01
B6247
CHARCOAL FILTER
SHUT–OFF VALVE 1210.20-02
56 49 22
Y6163
SECONDARY AIR
PUMP VALVE 1210.20-09K6304
SECONDARY AIR
PUMP RELAY
B65
FUEL TANK
PRESSURE
SENSOR 1210.20-05
72
Y6133
AIR PUMP 1210.20-09
1210.20-02
1210.20-09
60
D100
DATA LINK
CONNECTOR
16
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)