ABS BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual






ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
.5 VI/GR
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X117520
7
3620
.35 SW
18
.5 GN
TD
A7
SLIP CONTROL
MODULE (ABS)

31X6000
19
5 X10054
.5 SW/VI
6 X20
3 X18350
S221
EVAPORATOR
CONTROLLER
4
1
A836
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE
(EWS II)

2.5 GN
60
X6002
18
X11
X600088
17
.5 WS/VI/GE .5 GN/BL
15
32 .5 BR/RT
.75 BR/RT
3131
A52
SLIP CONTROL
MODULE
(ABS/ASC)

X183492
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY

X189
2X20
1 SW/VI 1 SW/VI
1 SW/VI
X1620
.5 SW
3
X1047
X508
K33a
AIR CONDITIONING
RELAY, MOTRONIC

.5 SW/VI
X35
21.5 SW/VI
9 24
TI
31 .5 WS/SW
X8015
1
X6002D100
DATA LINK
CONNECTOR .5 SW .5 SW
.5 SW
TXD 2 PGSP R
.5 SW
12 X1659
.35 SW
82
9
18
80
10
81
81
11
77
45
12
88
X6031
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
A6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION
35X1175
D100
DATA LINK
CONNECTOR
A52
SLIP CONTROL
MODULE
(ABS/ASC) .5 BR/RT .75 SW/GN .75 SW/BR .75 SW/RT .75 WS/GN.75 SW/GR .75 SW/BR .75 SW/RT .75 WS/GN
WITH ASC WITH ABS
NOT USED
M ROADSTER

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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)



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Pin Assignments
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
146
AActivate valveIntake air resonance changeover valve
147Not used
148EProgramming voltageData link connector
149AActivate valveEvaporation emission valve
150Not used
151AActivate relayFuel pump relay
152AActivate air pumpSecondary air pump valve/relay
153AActivate valveCharcoal filter shut-off valve
154AActivate valveFuel changeover valve
155Not used
156ESignal above 80 CDouble temperature switch
157EA/C-ON-signalAir conditioning operating unit
158ECyl 1-2 knock sensorKnock sensor
159MGround for sensorsTemperature/knock/throttle position/fuel
tank pressure sensors
160EFuel tank pressureFuel tank pressure sensor
161Not used
162ETemperature signalEngine coolant temperature sensor
163Not used
164Not used
165EOxygen sensor signalOxygen sensor (behind catalytic converter)
166ECrankshaft position/RPMCrankshaft position/RPM sensor
167ERight rear speed signalABS/ASC control module
168ECrankshaft RPM speed signal TDInstrument cluster
169Not used
170Not used
171EVehicle speed signalBoard computer (BC-Low)
172Not used
173E/ACAN-LOWEGS/ASC control module
174E/ACAN-HIGHEGS/ASC control module
175ARxD diagnosis data lineData link connector
176E/ATxD diagnosis data lineData link connector






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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
34
86
X600068.35 GEA8500
TRANSMISSION
CONTROL MODULE
(EGS)55
6
1210.20-00
X8500
8685
.35 SW
85 X6000
A6000
ENGINE CONTROL
MODULE (DME)
2.5 BR 2.5 BR 2.5 BR
2 X20
.35 SWA52
SLIP CONTROL
MODULE
(ABS/ASC)
1 .35 GE
79
9 .5 WS/GN
.35 SW .35 GE .5 SW/WS
X7845
X7846
1X62174
45
2
17
3 X6217
1.5 RT/WS
.5 GR/VI .5 GR/BL

+–
X203 .5 GR/VICAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.4CAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.4
CAN LOW CAN HIGH
.35 GE 3.5 SW B6217
HOT FILM AIR
MASS METER
28
1.5 BR
8
.5 GR
42
.5 GN/RT
1613 X17
13 X6031
X16
.5 GR .5 GN/RT
A2w
INSTRUMENT
CLUSTER
+( '
&# &# &# &#
.35 SW/GN
2X11379
S36y
DOUBLE
TEMPERATURE
SWITCH
57
8 .5 RT/WS
.35 SW/GR
5X52
K21
NORMAL SPEED
RELAY
X11706 7 37

CHARGING SYSTEM !""



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A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL






X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
&#
&# &#
X7509


A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL
M ROADSTER

 !""

#""$
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-00
F285A
26
2460.2-03
36379
TXD
X850088
2460.2-08
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-03
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-023428
#% & 
# ##
# 
# ##
 *#
 &##
# %##
 ##
F4615AP90
FRONT POWER
DISTRIBUTION BOX 2460.0-08
10
Y8521
TRANSMISSION
VALVE UNIT
522 2460.2-01
AM2460.2-02
X8500
X8500
EGS
Y19
SHIFT–LOCK 2460.2-02
252
A4S 270R
G6430
B+ JUMP START
JUNCTION POINT0670.2
6–CYLINDER
2460.2-02
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-00
85868283
A2w
INSTRUMENT
CLUSTER 2460.2-02
25
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-02
19
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)

 !""

#""$
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-04
F285A
26
2460.2-07
36379
TXD
X850088
2460.2-08
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-07
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-063428
#% & 
# ##
# 
# ##
 *#
 &##
# %##
 ##
F4615AP90
FRONT POWER
DISTRIBUTION BOX 2460.0-08
10
Y8505y
TRANSMISSION
VALVE UNIT
522 2460.2-05
AM2460.2-06
X8500
X8500
EGSA4S 270R
G6430
B+ JUMP START
JUNCTION POINT0670.2
4–CYLINDER
2460.2-06
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-04
85868283
A2w
INSTRUMENT
CLUSTER 2460.2-06
25
5552
Y19
SHIFT–LOCK 2460.2-05
2
4046
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-04
12 17
NOT USED
6
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)






SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH
 !""



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ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 2 34 28 18 X8500
X85071X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED GROUND
DISTRIBUTION
0670.4 .5 GR/BR
.5 GR/BR
.5 BR/VI.5 VI.75 GR/GE
.75 SWAUSF
16 15 X69
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X6912
X850010
.5 BL/RT .75 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
X783
S30
BRAKE LIGHT
SWITCH
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) .5 BR/GR
X784
GROUND
DISTRIBUTION
0670.4
2 1 X1178
.5 BR/VI .5 VI
Y19
SHIFT–LOCK
FUSE DETAILS
0670.3
4 3
1 2
–31
X18170
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
88 .5 WS/VI/GE
TXD
DATA LINK
0670.5
GROUND
DISTRIBUTION
0670.4
X6454
52
6–CYLINDER
X6911.5 BR/GR
194X1171
6A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 WS/GN/GE
.5 WS/GN/GE






ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R) !""



#""$


K6300
ENGINE CONTROL
MODULE RELAY
425V (15)
.5 GE22
.5 SW52A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
X6821
87
4 RT/WS

54
X8500
31
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
8283
.5 BL
.5 VI
85
85
X600086
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
CAN-LOW CAN-HIGH
X8500
76
.35 SW .35 GEA52
SLIP CONTROL
MODULE
(ABS/ASC)
X7845
X7846
1.5 RT/WS
55
53
.5 RT
CAN-LOW CAN-HIGH CAN-LOW CAN-HIGH
1X202.35 GE .35 SW
.35 SW
.35 GE
4–CYLINDER
X1170

 !""

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19
3450.0-01
3450.0-02
3450.0-00
3450.0-00 K10
ABS RELAY
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K75
ABS PUMP MOTOR
RELAY
A7
SLIP CONTROL
MODULE (ABS)
29 X11
26 X11
TXD
X1128
12724233940 2522 2
S30
BRAKE LIGHT
SWITCH
F4615A
3716
B2
LEFT FRONT
SPEED SENSOR –
ABS34 13
B4
LEFT REAR SPEED
SENSOR – ABS15 3635 1441
3450.0-02
3450.0-00
3450.0-00
3450.0-02
B1
RIGHT FRONT
SPEED SENSOR –
ABS3450.0-02
B3
RIGHT REAR
SPEED SENSOR –
ABS
17
9


42F27
5A
A2w
INSTRUMENT
CLUSTER 3450.0-00
NOT USED
8
RXD 7
5
3450.0-01
32
A6000
ENGINE CONTROL
MODULE (DME)
F215AF1030AF3830A
3450.0 SLIP CONTROL (ABS)