Page 103 of 386
$%% %%&
44 162078308546
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
T6151
CYL. 1 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
Y6120
EVAPORATIVE
EMISSION VALVE 1210.20-01
61
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-06A6000
ENGINE CONTROL
MODULE (DME)
4950
T6152
CYL. 2 IGNITION
COIL 1210.20-03
T6153
CYL. 3 IGNITION
COIL 1210.20-03
22 23T6154
CYL. 4 IGNITION
COIL 1210.20-03
X6000
X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-08
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
1210.20-08
B8y
PRESSURE
SWITCH
1210.20-06
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-05
K21
NORMAL SPEED
RELAY
57
G6430
B+ JUMP START
JUNCTION POINT0670.2-00
58Y6131
INTAKE AIR RES-
ONANCE CHANGE-
OVER VALVE 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
7
6
7
6B6209
HALL EFFECT CAM-
SHAFT SENSOR 1210.20-04
B6217
HOT FILM AIR
MASS METER
45
1210.20-06
1721
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.20-041210.20-04
56
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-05
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
10838
A2w
INSTRUMENT
CLUSTER
4280
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.20-08
36K19
COMPRESSOR
CONTROL RELAY
1210.20-08
191
B6240
KNOCK SENSOR 1210.20-05
40707174
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-05
34 556
1210.20-06
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT
79
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-06
323
G6430
B+ JUMP START
JUNCTION POINT
SPARK PLUGS1210.20-07 1210.20-06
WITH ASC WITH ABS 4
63
G6430
B+ JUMP START
JUNCTION POINT
1210.20-05
60
DATA LINK
0670.5
1210.20-08
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
69
77
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-04
B9508
PRESSURE
SWITCH
X6000
D100
DATA LINK
CONNECTOR
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
Page 104 of 386
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Pin Assignments
$%%
E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
89
MOxygen sensor heating groundOxygen 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
Page 105 of 386
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Pin Assignments
$%%
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
Page 109 of 386
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
Page 110 of 386
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X6833
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 X61522 1 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
2.5 GN
X6454
GROUND
DISTRIBUTION
0670.4 1.5
WS1.5 RT 1.5 GE 1.5 BL
31313131
X6000
Page 117 of 386
10 RT
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1230.0 CHARGING SYSTEM
1.5 BLG6509
GENERATOR
31
3131
B+
D+
A2w
INSTRUMENT
CLUSTER X175
X176
S2
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
X8004.75 BL
X6002
12 D100
DATA LINK
CONNECTOR
.5 BL
X133053
16 RT
X6509
X7509
2
10
3
15
.5 BL
X213
30h
G1
BATTERY
X497
G6430
X6512
POWER
DISTRIBUTION
0670.2POWER
DISTRIBUTION
0670.2 25 RT
M6510
STARTER
BR
31
.35 BL.5 BL
TELEPHONE
CONNECTOR
X2025
CENTER CONSOLE
318is
Page 118 of 386
X1186
5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4
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1240.0 START
.5 BR/SWX10017
16
5 X511
0P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2
30
X331 4 RT
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
X191
.5 BR/SW
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN/SWFUSE DETAILS
0670.3
" /
+
/
"
X2
10 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
2
10
31
WITHOUT EGSF28
5A
50
POWER
DISTRIBUTION
0670.2
10 RT
X0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A5S 310Z)
2460.4
F457.5A
X1001830
3S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH
PEDAL FULLY
DEPRESSED
12
X18994
2
WITH EGS 1
X173
GROUND
DISTRIBUTION
0670.4
.35 BR/SWFUSE DETAILS
0670.3
X18994
EGS A4S 270R
EGS A5S 310Z
Page 150 of 386
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Pin Assignments (323i, 328i, M3)
$%%
E = Input, A = Output, M = Ground
X1171
Pin Type Description/Function Connection
1
MGroundGround
2EBattery voltageABS relay
3MGround, moduleGround
4EIgnition cut-off signalDME module
5AEML signalDME module
6ATransmission influenceTransmission control module
7E/ATxD signalDiagnostic link
8ARxD signalDiagnostic link
9Not used
10ASensor groundRight rear speed sensor (ABS)
11ASensor groundRight front speed sensor (ABS)
12Not used
13AABS power protection relayABS power protection relay
14EPedal travel sensorPedal travel sensor
15ARight rear speed signalDME module
16EPlus supplyABS relay
17ASolenoid valve signal left rear inletABS hydraulic unit
18ASolenoid valve signal left rear outletABS hydraulic unit
19MGroundGround
20AADS step motor (–)ADS step motor
21AADS step motor (+)ADS step motor
22ASolenoid valve signal right front inletABS hydraulic unit
23EASC throttle flap potentiometer (–)ASC throttle flap motor potentiometer
24Not used
25ESignal idle speedDME module
26AThrottle flap positionDME module
27EASC switch signalASC witch
28Not used
29ASensor groundLeft rear speed sensor (ABS)
30ASensor groundLeft front speed sensor (ABS)
