relay BMW M3 1998 E36 Electrical Troubleshooting Manual



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 7
AIdle speed control valve controlIdle speed control valve
11 8MOxygen sensor heating groundOxygen 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
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
146AActivate valveIntake air resonance changeover valve



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Pin Assignments
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
147
Not used
148EProgramming voltageData link connector
149AActivate valveEvaporation emission valve
150Not used
151AActivate relayFuel pump relay
152ASecondary air pump valve controlSecondary air pump valve
153ACarbon canister valve controlCarbon canister valve
154AFuel changeover 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
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
167ESpeed signal right rearABS/ASC control module
168ACrankshaft RPM speed signal TDInstrument cluster
169Not used
170Not used
171EVehicle speed signalInstrument cluster
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

.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 RT4 8
6 X6300
26 27
2X63001 RT
.5 BR/WS
54 X6000
X600214
D100
DATA LINK
CONNECTOR
A6000
ENGINE CONTROL
MODULE (DME)
1 RT/WS 4 RT
1210.20-06
4 RT/WS
1.5 RT/WS
.5 RT/WS X6821.5 RT/WS
55 26 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1.5 RT/WS 1 RT 4 RT1210.20-04
.5 RT/WS
2.5 RT

1210.20-04 6 RT
2.5 RT/WS
.5 GN
1210.20-04
541.5 RT/WS
1210.20-04
.35 RT/WS
3131
.5 GN
1210.20-09
(PARTIAL)

ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44) $%%



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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
21
2.5 GNX20
X33
1 X209
X6832
.5 GN
8X6326
86
8530
87K6326
UNLOADER RELAY,
TERMINAL 15
4
56 X6000A6000
ENGINE CONTROL
MODULE (DME)2
2.5 GN
2.5 GNX6326
2 X6150
6 2.5 RT
2
10
3
15
.5 GN
X6454
GROUND
DISTRIBUTION
0670.4
F4615A
32X10018
84
D110
OBD II
CONNECTOR
X19527
7
X6031
4 2 X6002
G6430
B+ JUMP START
JUNCTION POINT
X6431
D100
DATA LINK
CONNECTORP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
.5 SW/VI/GE .5 WS/VI/GE.35 WS/VI/GE

.5 GN
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER)
X6200232
.5 GE
X62002
1 4
.5 BR .5 SW
.5 GN





FUEL PUMP, HEATED OXYGEN SENSOR, CRANKSHAFT SENSORS
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN/VI
X6381
GROUND
DISTRIBUTION
0670.4X10016
15
X10016
16X20
13 2.5 GN/VI
M2
FUEL PUMP 6 X6301
8
X6301
4
K6301w
FUEL PUMP RELAY
X600063
A6000
ENGINE CONTROL
MODULE (DME) .5 BR/GN .5 RT/WS
30
8786
85
2.5 RT
X6382
1210.20-001210.20-00
X600078
2
20
1210.20-00
3046
19
21
X6203321
A6000
ENGINE CONTROL
MODULE (DME)
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X620932
X6454
B6209
HALL EFFECT CAM-
SHAFT SENSOR
X62091
1210.20-00
B62001
OXYGEN
SENSOR (IN
FRONT OF
CATALYTIC
CONVERTER)
X6200132
.5 GE.35 RT/WS
X62001
4 1
.5 BR .5 SW
.35 SW .35 GE
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
155V (15)
3131313131
F1815A
1
31
1210.20-00
77
15
31
.5 GE

X8008
.75 SW
.35 SW .35 GE
FUSE DETAILS
0670.3
X13006

X14

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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
7071
X16594
.5 SW/VIX228
.35 GN
15
10
X600074
B6232
ENGINE
COOLANT
TEMPERATURE
SENSOR 1 X6256
A2w
INSTRUMENT
CLUSTER
CYL. 1 AND 2W9110
SHIELD
53
44 INSTRUMENT
CLUSTER
6211.040
.5 BR/SW
16
X171718
2 7
83
24
A2w
INSTRUMENT
CLUSTER
X1621
.5 WS/SW
TIA6000
ENGINE CONTROL
MODULE (DME)
3
X62564
2 X62521
X6252
R6252
THROTTLE
POSITION
SENSOR
.5 BR/SW.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
B6240
KNOCK SENSOR
W9110
SHIELD
21
W9110
SHIELD W9110
SHIELD .35 SW .35 SW

.5 BR/
VI.5 BR/GE
.5 BR/
VI.5 BR/GE .5 WS/SW
.5 WS/SW
3
31
31
.5 GR/WS
.5 BR/SW
11X2012
15K21
NORMAL SPEED
RELAY
X525
.5 RT/WS
578
.35 WS/SW85b
X20
X6000
31
19
1 X131713
X13171
B72
FUEL TANK
PRESSURE
SENSOR .5 GR/WS
2
6 X60315
.5 BR/SW
72
18 X1420
X60317.5 BR/SW
.5 GE/RT
.5 GE/RT
.5 GE/RT.5 GR/WS
.5 GR/WSX10169
.35 SW/GR




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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A6000
ENGINE CONTROL
MODULE (DME)
X6000
11
4
.5 SW/GR
A6000
ENGINE CONTROL
MODULE (DME)
5 X20
.5 SW/BR
X10261
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
X102611
X100549 .5 BL/SWB9508
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
85
6
.5 VI/GR
69
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
46
.5 SW/BL
8 X10054
.5 VI/GR
X8056
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X1527
10
.35 VI/GR
.5 SW/BRX1022
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
11 X1527
.35 BL/SW
31
F165A
15
12
34
31
86




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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
G6430
B+ JUMP START
JUNCTION POINT
,&.,. #
1 RT/WS/GE
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
3 X10015
4 X10015
P90
FRONT POWER
DISTRIBUTION BOX
2 X13170
1 X13170
Y199
CARBON
CANISTER VALVE
65
.5 GN/BL
2 X6031
.5 GN/BL
28 X14
.5 GN/BL
9 X6031
.5 RT/WS
FUSE DETAILS
0670.3
F25A
X6431

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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 2460.2-06
F285A
2625
2460.2-00
36379
RXD
TXD 87
X8500
88
2460.2-03
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-00
1327
NOT USED20 4518
S8507
KICK–DOWN
SWITCH346
" / 
 
 
 
 +
 /
 "
 
X6410
B+ JUNCTION
POINT
F4615AP90
FRONT POWER
DISTRIBUTION BOX
N4
ON–BOARD
COMPUTER
10
MA
X8500
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)S29
BRAKE LIGHT
SWITCH N10
MULTI–FUNCTION
CLOCK EGS
19A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-06
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-06
4012 17
NOT USED
K19
COMPRESSOR
CONTROL RELAY
4685
A4S 310R
2460.2-00
2460.2-03
A2w
INSTRUMENT
CLUSTER
2460.2-02
85
21530 33 4 32
Y8505
TRANSMISSION
VALVE UNIT
Y8521
TRANSMISSION
VALVE UNIT
2525314
60828357A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 2460.2-06
2460.2-01
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)2460.2-032460.2-05 2460.2-04 2460.2-05 2460.2-04
2460.2-05 2460.2-04
DATA LINK
0670.5
428628
2460.2-02
A52
SLIP CONTROL
MODULE
(ABS/ASC)
2460.2-02
318is WITH ASC2460.2-05 2460.2-04318is Y19
SHIFT–LOCK
2460.2-07 2460.2-012460.2-05 2460.2-04
323i, 328i318is
55
318is328i328i WITH ASC
X8500
1522
PGS
2460.2-02
A35
ON–BOARD
DISPLAY
318is X6411
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)


%%&
Pin Assignments
 $%%





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
206
ASolenoid valve 1 control (–)Transmission valve unit
207Not used
208ATorque converter clutch solenoid valve
control (–)Transmission valve unit
209ASolenoid valve 2 control (–)Transmission valve unit
210MGroundGround point
211Not used
212EGear range signal L1Automatic transmission range switch
213EGear range signal L3Automatic transmission range switch
214Not used
215Not used
216ERPM speed signal TDEngine control module (318is)
217Not used
218EOutput speed (+)Transmission valve unit
219Not used
220Not used
221AA-program indicationProgram switch
222EA/C compressor-ON-signalEngine control module (318is)
223Not used
224EBrake switch test signalBrake light switch
225Not used
226Not used
227Not used
228AVoltage supplyShift-lock/Transmission valve unit (318is)
52AVoltage supplyShift-lock (328i)
229EVoltage pressure regulatorTransmission valve unit
230EVoltage supply, terminal 87Engine control module relay
231EVoltage supply, terminal 87Engine control module relay (318is)
232Not used
233ECruise control signalCruise control module
234Not used
235Not used