relay BMW Z3M ROADSTER 1998 E36 Electrical Troubleshooting Manual



#""$
Pin Assignments
 !""





E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
89
AOxygen sensor heating (–)Oxygen sensor (behind catalytic converter)
90AActivate valveIdle speed control valve
91AActivate valveCyl. 1 fuel injection valve
92AActivate valveCyl. 4 fuel injection valve
93Not used
94MGround, fuel injection valve output stagesGround point
95Not used
96A“Check engine” indicator controlInstrument cluster
97Not used
98EDrive-away protection signalElectronic immobilizer control module
(EWS II)
99EActivate A/CPressure switch
100Not used
101Not used
102Not used
103Not used
104EIntake air temperatureIntake air temperature sensor
105MGroundHot film air mass meter
106Not used
107EOxygen sensor signalOxygen sensor (in front of catalytic
converter)
108ECrankshaft position/RPMCrankshaft position/RPM sensor
109ECamshaft positionHall effect camshaft sensor
11 0ACyl. 3 ignition coil controlCyl. 3 ignition coil
111ACyl. 4 ignition coil controlCyl. 4 ignition coil
11 2Not used
11 3Not used
11 4EBattery voltageB+ jump start junction point
11 5AEngine control module relay controlEngine control module relay, terminal 85
11 6MGround for electronics and shielding of
sensorsGround point



#""$
Pin Assignments
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 7
AIdle speed control valve controlIdle speed control valve
11 8AOxygen sensor heatingOxygen sensor (in front of catalytic
converter)
11 9AActivate valveCyl. 3 fuel injection valve
120AActivate valveCyl. 2 fuel injection valve
121Not used
122MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
123Not used
124AA/C compressor cut-outCompressor control relay
125Not used
126Not used
127Not used
128ECyl. 3-4 knock sensorKnock sensor
129Not used
130ETI-measurement signal (fuel consumption)Instrument cluster
131Not used
132EThrottle positionThrottle position sensor
133ESignal inputHot film air mass meter
134MSensor groundOxygen sensors
135Not used
136Not used
137ACyl. 1 ignition coil controlCyl. 1 ignition coil
138ACyl. 2 ignition coil controlCyl. 2 ignition coil
139Not used
140Not used
141AComponent supply (+)Throttle position sensor/fuel tank pressure
sensors
142EBattery voltage from engine control module
relayEngine control module relay, terminal 87
143MGround, ignitionGround point
144EIgnition switch, terminal 15Ignition switch, terminal 15
145AActivate auxiliary fanNormal speed relay



#""$
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

(PARTIAL)
&#







2.5 RT/
WS
POWER, FUEL INJECTION VALVES
 !""



#""$



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

ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
IGNITION COILS AND FUEL PUMP
 !""



#""$


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






 !""



#""$



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






 !""



#""$


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






 !""



#""$


ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
G6430
B+ JUMP START
JUNCTION POINT
+$(#+( '
9 .5 RT/WS
X6031
NOT USED
GROUND
DISTRIBUTION
0670.4 2 X6263
1 X6263
2 X6163
1 X6163
.5 RT/WS .5 RT/WS
.5 GE/RT
66
Y6263
FUEL CHANGE-
OVER VALVEY6163
SECONDARY AIR
PUMP VALVE
.5 BR/WS82
465 X6304
X6304
POWER
DISTRIBUTION
0670.2
X6821
(PARTIAL)
.5 RT/WSPOWER
DISTRIBUTION
0670.2
.5 BR/WS
.5 BR/WSX6891
4 RT/GE
2 X6133
1 X6133
A6000
ENGINE CONTROL
MODULE (DME) X6000
644 BRY6133
AIR PUMP
1210.20-00
X6433

1290.0 E–BOX FAN !""




#""$



X6821
4 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER S52)
1210.17






$)K6300
ENGINE CONTROL
MODULE RELAY
X6300
2
.5 RT/WS
GROUND
DISTRIBUTION
0670.4
X6454
M6506
E–BOX FAN X65062
X6506
1
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)