BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual



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Pin Assignments
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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

(PARTIAL)
&#







2.5 RT/
WS
POWER, FUEL INJECTION VALVES
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
POWER
DISTRIBUTION
0670.2
85 86
8730
K6300
ENGINE CONTROL
MODULE RELAY X6410
2.5 RT
4 8
6 X6300
26 27
2X6300
1 RT
.5 BR/WS
54 X6000
X600214
D100
DATA LINK
CONNECTOR
A6000
ENGINE CONTROL
MODULE (DME)
1 RT/WS 4 RT
1210.20-064 RT/WS
1.5 RT/WS.5 RT/WS X6821.5 RT/WS
55 26 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1.5 RT/WS1 RT 4 RT
.5 GN
1210.20-04 6 RT
2.5 RT/WS
541.5 RT/WS
1210.20-04
.35 RT/WS
31
.5 GN
G6430
B+ JUMP START
JUNCTION POINT
1210.20-02 1 RT/WS
X6430
1210.20-09

.5 BR/VIY6120
EVAPORATIVE
EMISSION VALVE
.5 RT/WS
1 X6120
2 X6120
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.5 BR
2
A6000
ENGINE CONTROL
MODULE (DME) .5 BR/BL Y6103
CYL. 3 FUEL
INJECTION VALVE
–+
– + Y6101
CYL. 1 FUEL
INJECTION VALVE
–+
Y6102
CYL. 2 FUEL
INJECTION VALVE
–+Y6104
CYL. 4 FUEL
INJECTION VALVE +
1615832 31X6000
1 X6101
.5 RT/WS
1 X6104
1 X6103
.5 RT/WS
1 X6102.5 RT/WS.5 RT/WS
2 X6130
2
X6102
2 X6103
2
X6104
2 X6101
.5 BR/GE
.5 BR/WSX6130
Y6130
IDLE SPEED
CONTROL VALVE X6820
.5 RT/WS
2.5 RT/WS
–
Y6131
INTAKE AIR RES-
ONANCE CHANGE-
OVER VALVE –+ 2
X6131
1X6131
2.5 RT/WS
.5 BR/GN .5 BR/BL
34
.5 BR/
GN
29
3
8 X609111 29
2.5 RT/WS 2.5 RT/WS .5 RT/WS
10 15 13 2012217
.5 BR .5 BR/BL .5 BR/GE
.5 BR/WS .5 BR/WS .5 BR/GE
.5 BR/
GNX6091
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
IGNITION COILS AND FUEL PUMP
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X203
2.5 GN
2.5 GNS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
POWER
DISTRIBUTION
0670.2
7 2.5 GN
21X20
X33
1 X209
15






2
10
3
85 86
87 30
K6326
UNLOADER RELAY,
TERMINAL 15
2 6 8 X6326
56
4X6326
63 X6000
A6000
ENGINE CONTROL
MODULE (DME)
2.5 RT
POWER
DISTRIBUTION
0670.2
G6430
B+ JUMP START
JUNCTION POINT
2.5 GN
X6454
GROUND
DISTRIBUTION
0670.4
X6832
85 86
87 30
K6301w
FUEL PUMP RELAY
4 8 6 X6301
2X6301
6 14
5 X1001616X10016
M2
FUEL PUMP
F135AF1815A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
4 X6500
X13032
GROUND
DISTRIBUTION
0670.4
1X6500
X6433
2.5 GN
.5 GN
.5 GN1 RT/WS
.5 RT/WSX20
.5 BR/GN
X20
13
.5 GN/VI2.5 GN/VI 1210.20-00
B6247
CHARCOAL FILTER
SHUT–OFF VALVE 2 X6247
1X6247
2X6031
65
.5 GN/BL
.5 GN/BLFUSE DETAILS
0670.3

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2.5 GN
3 X61513 X61523 X6154
1T6151
CYL. 1 IGNITION
COILT6152
CYL. 2 IGNITION
COILT6154
CYL. 4 IGNITION
COILX6151
3 X6153
1T6153
CYL. 3 IGNITION
COIL
2X615321 X615221 X6154
1 GN 1 GN
2
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
49
X6456
GROUND
DISTRIBUTION
0670.4
5022
X6456
GROUND
DISTRIBUTION
0670.4
23
1 BR 1 BR1 GN
1 WS 1 RT 1 GESPARK PLUGS 1 GN
A6000
ENGINE CONTROL
MODULE (DME)1 BR 1 BR
1 BL
175X61506
2 X6150
2.5 GN
X6454
X6000
1.5
WS1 .5 RT 1.5 GE 1.5 BL
X6833
31 31 31 31






.5 GN
HEATED OXYGEN SENSOR, CRANKSHAFT SENSORS
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
X6000
A6000
ENGINE CONTROL
MODULE (DME)
X60007820
1210.20-00
30
46
19
21
X6203321
A6000
ENGINE CONTROL
MODULE (DME)
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X620932
B6209
HALL EFFECT CAM-
SHAFT SENSOR
X62091
1210.20-00
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER)
X6200132
NS .5 GE
.35 RT/WS X62001
4 1
.5 BR .5 SW
31
.35 SW .35 GE
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .35 GE
X609127
X609128
.35 GE
.35 SW
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD X6091
125
31
155V (15)
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)
31X8008
X6200223
1
31
X620021 41210.20-00
.5 GN
77
15
.5 SW.5 GE
.75 SW.5 BR
+( '
31
.35 GE .35 SW






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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
7071
X16594
.5 SW/VI
15
10
X600074
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
CYL. 1 AND 2W9110
SHIELD53
4440
.75 BR/SW
16
7
83
24
A35y
BOARD
COMPUTER
(BC – LOW)
X102454
.35 WS/SW
X20
X6000
TIA6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION
3
X62324
2 X62521
X6252
R6252
THROTTLE
POSITION
SENSOR .75 GR/WS .5 BR/VI
X6461
.5 BR/RT
1 X6205
B6205
INTAKE AIR
TEMPERATURE
SENSOR
.5 BR/SWX6205
2
.5 BR/RT
.75 BR/SW
CYL. 3 AND 4
4 X62403
W9110
SHIELD
21
W9110
SHIELD W9110
SHIELD .35 SW .35 SW
31
15
.5 WS/SW
3 1
4 X6091
.75 BR/SW
6322
X6232X6091
.5 GR/WS .5 BR/VI .5 BR/RT
X8005
2.5 GN
.5 BR/SW B6240
KNOCK SENSOR.5 BR/SW
7 X6031
72
5
3
1 X195283
X19528
B65
FUEL TANK
PRESSURE
SENSOR
1
6 X6031
1 X6501
.5 GR/WS
X6501
2
X10169
&#
.5 BR/SW
.5 BR/SW.5 BR/SW .5 GE/RT
.5 GE/RT
.5 GE/RT.5 GR/WS
.5 GR/WS .5 GR/WS






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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






DATA LINK
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
8060
DATA LINK
0670.5
8788 X6000
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
X20
20
X8015
.5 SW
.5 SW
TD
.5 WS/VIA8500
TRANSMISSION
CONTROL MODULE
(EGS)
17
15
18
X6002
.5 WS/VI
X6866
X6863
.5 WS/GE .5 WS/GE
.5 WS/VI .5 WS/GE
A6000
ENGINE CONTROL
MODULE (DME) TXD RXD D100
DATA LINK
CONNECTOR
88 X8500
TXD
.5 SW
X1620
3
.5 SW
15
X1047
.5 SW
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12
.35 SWX1659
.75 WS/GN
1
X6002D100
DATA LINK
CONNECTOR
40 TD
.5 SW
&#






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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A6000
ENGINE CONTROL
MODULE (DME)
X6000
11
415
.5 SW/GR
A6000
ENGINE CONTROL
MODULE (DME)
5 X20
X127
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
X1271
X100544 .5 VI
.5 SW/GEB9508
PRESSURE
SWITCH
P90
FRONT POWER
DISTRIBUTION BOX
X10016
12
4 X51
X515
X20
4
36FUSE DETAILS
0670.3
K19
COMPRESSOR
CONTROL RELAY
.5 SW/BL
.5 SW/BL
.5 SW/BLX6000
86
85
6
.75 BL/WS
69
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
46
.5 SW/BL
5 X10054
.5 SW/VI
X8056
X183503X183492
1 SW/VI 1 SW/VI
.5 SW/GE
5 X18350
X189
1 SW/VI S221
EVAPORATOR
CONTROLLER
S221
EVAPORATOR
CONTROLLERS220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
F165A
31 2 1
4 3
31