.5 WS/VI/GEX6867
.5 WS/VI
DATA LINK
TXD AND RXD
X183
.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805TXD.5 WS/VI .35 WS/VI
12
4
TXD
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE X74TXD .5 WS/VI
9
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X1018211
TXD X6002
20
X20
.5 WS/VI
17
88 X6000
A6000
ENGINE CONTROL
MODULE (DME)
17D100
DATA LINK
CONNECTOR
.5 WS/VI
X182
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X10182
RXD
.5 WS/GE 9
A2w
INSTRUMENT
CLUSTER
X16
11
RXD
X6863
.5 WS/GE
.5 WS/GE
.5 WS/GE
.5 WS/GEX20
16
X6002
15
D100
DATA LINK
CONNECTOR
TXD
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.75 WS/VI
X1175
46
TXD
M VERSIONS
45
B6204
CAMSHAFT
POSITION
SENSOR (CYL-
INDER
IDENTIFICATION) 1210.17-06
10/991210.172000
A6000
ENGINE CONTROL
MODULE (DME) 1210.17-00
7387
1210.17-02
B6207
HOT FILM AIR
MASS METER K6300
ENGINE CONTROL
MODULE RELAY
8726Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.17-01
29
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
3
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL
18
161456
B6205
INTAKE AIR
TEMPERATURE
SENSOR39
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
12 4442
R6252
THROTTLE
POSITION
SENSOR
22 1210.17-05
15S2
IGNITION SWITCH
301312
1210.17-03
1210.17-03
1210.17-02
1210.17-05
A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III) 1210.17-08
X6000
88
S221
EVAPORATOR
CONTROLLER
TXD
B8y
PRESSURE
SWITCH
1210.17-02
+
–
G6430
B+ JUMP START
JUNCTION POINT
D100
DATA LINK
CONNECTOR 1210.17-00
S221
EVAPORATOR
CONTROLLER 1210.17-08
19
F165AP90
FRONT POWER
DISTRIBUTION
BOX 1210.17-07
74K19
COMPRESSOR
CONTROL RELAY
1210.17-07
86
85
F1815A
P90
FRONT POWER
DISTRIBUTION
BOX
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.17-041210.17-04
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.17-01
241210.17-0562
Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1
Y6120
EVAPORATIVE
EMISSION VALVE
Y6163
SECONDARY AIR
PUMP VALVE
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
23 50 3368+
–
+
–
B9508
PRESSURE
SWITCHX6000
X6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH
ASSEMBLY 1210.17-08
9
8081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-00
B62201
OXYGEN SENSOR II
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.17-04
7977715425 75 6720
A2w
INSTRUMENT
CLUSTER 1210.17-09
463649
Y6133
AIR PUMP 1210.17-05
F135A
SPARK PLUGS
B6247
CHARCOAL
FILTER SHUT–OFF
VA LV E
511210.17-09
K6304
SECONDARY AIR
PUMP RELAY
K6326
UNLOADER RELAY,
TERMINAL 15
35
G6430
B+ JUMP START
JUNCTION POINT1210.17-05
11 4 0
B65
FUEL TANK
PRESSURE
SENSOR 1210.17-0932 34443641582415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6211210.17-01
1210.17-05
60
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-08
10
1210.17-07
1210.17-071210.17-08
69
28
1210.17-02
61 55
78 76
72 70
NOT USED B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
B62101
OXYGEN SENSOR I (IN
FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN
SENSOR I
(BEHIND
CATALYTIC
CONVERTER)
X6000
X6000
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
Pin Assignments
E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
ACyl. 2 ignition coil controlCyl. 2 ignition coil
2ACyl. 4 ignition coil controlCyl. 4 ignition coil
3ACyl. 6 ignition coil controlCyl. 6 ignition coil
4MGroundGround point
5ACyl. 2 fuel injection valve controlCyl. 2 fuel injection valve
6ACyl. 1 fuel injection valve controlCyl. 1 fuel injection valve
7MGroundHot wire air mass meter
8EHot wire air mass meterHot wire air mass meter
9ETI-measurement signal (fuel consumption)Not used
10EEngine coolant temperatureEngine coolant temperature sensor
11EFuel tank pressureFuel tank pressure sensor
12EThrottle position signalThrottle position sensor
13Not used
14EIntake air temperatureIntake air temperature sensor
15ESpeed signal, right rearABS/ASC control module
16EActivate A/CPressure switch
17Not used
18EDrive-away protection signal (code)Electronic immobilizer control module (EWS
III)
19EA/C-ON-signalAir conditioning operating unit
20A“Check engine” indicator controlInstrument cluster
21ACamshaft controlVariable camshaft control valve
22ACyl. 3 fuel injection valve controlCyl. 3 fuel injection valve
23ACyl. 6 fuel injection valve controlCyl. 6 fuel injection valve
24ACyl. 4 fuel injection valve controlCyl. 4 fuel injection valve
25MOxygen sensor heating groundOxygen sensor I (in front of catalytic
converter)
26EBattery voltageB+ jump start junction point
27AActivate valveIdle speed control valve
28MGroundGround point
29ACyl. 1 ignition coil controlCyl. 1 ignition coil
ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
.5 VI/GR
X117520
7
3620
.35 SW
18
.5 GN
TD
31X6000
19
5 X10054
.5 SW/VI
6 X20
3 X18350
S221
EVAPORATOR
CONTROLLER
14
1
A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III)
.5 GN
60
X6002
18X6000
88
17
.5 WS/VI/GE .5 GN/BL
15
.5 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
5 X1805
.35 SW
82
9
18
80
10
81
81
11
77
45
12
88
X6031
A2w
INSTRUMENT
CLUSTER
3) ENGINE
SPEED IN-
PUT
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/GNNOT USED
M VERSIONS
17
8
10/991210.252000
B6240
KNOCK SENSOR 1210.25-09
3132293048
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.25-02
35
+
–
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.25-02
361210.25-034138 40 3742
+
–
46 47Y6130
IDLE SPEED
CONTROL VALVE 1210.25-0334 3352
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL 1210.25-01
1210.25-01
718 9
1210.25-01
32
D
+
– F205
30A
1723 AEB9A
F1815A
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.25-061210.25-06
1210.25-04
F137.5A
S30
BRAKE LIGHT
SWITCH
281210.25-04310174524
F4615A
Y6139
LEAKAGE DIAG-
NOSIS PUMP 1210.25-04
3430
1210.25-06
1918
1210.25-04
121292639
B6254
THERMAL OIL
LEVEL SWITCH
F2610A
434416204710
R6385
THROTTLE
POSITION SEN-
SOR/CRUISE
CONTROL
ACTUATOR26
1210.25-08
1210.25-08
13
1210.25-09
122223
1210.25-07
2425
1210.25-07
2728
1210.25-07
2236
1210.25-08
37
1210.25-08
111223
1210.25-091210.25-101210.25-09
213327356
1210.25-10
4565
A6000
ENGINE CONTRO
MODULE (DME)
1210.25-08
436
P98
FUSE HOLDER IN
E–BOX1210.25-00
K6326
UNLOADER
RELAY, TERMINAL
15
A8500
TRANSMISSION
CONTROL
MODULE (EGS)G6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
1210.25-05
B6207
HOT FILM AIR
MASS METERB6203
CRANKSHAFT
POSITION/RPM
SENSOR
B6214
CAMSHAFT
POSITION
SENSOR 1 (INLET)
B6224
CAMSHAFT
POSITION
SENSOR 2
(OUTLET)B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
1210.25-051210.25-05P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
K19
COMPRESSOR
CONTROL
RELAY 1210.25-10K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
1210.25-09
1210.25-07
B6231
OIL PRESSURE
SWITCHG6509
GENERATORM6510
STARTER
B6205
INTAKE AIR
TEMPERATURE
SENSORB6236
ENGINE COOLANT
TEMPERATURE
SENSORB6238
OIL
TEMPERATURE
SENSOR
A52
SLIP CONTROL MODULE
(ABS/ASC)
A65
DYNAMIC STABILITY CONTROLA2w
INSTRUMENT
CLUSTER
A104
BODY
ELECTRONICS
CONTROLS32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS)A837
ELECTRONIC
IMMOBILIZER
CONTROL
MODULE (EWS III)A8500
TRANSMISSION
CONTROL
MODULE (EGS)
A9008
CRUISE CONTROL
INTERFACE A
2 349
5
2 818
15 21
CD7 131
16 15 14
24 22 21 20
BDC
TXD
19149CDBEA
A = 60001
B = 60002C = 60003
D = 60004
E = 60005
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER)
F10880AF10750A
F20230AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION
BOX1210.25-04
P90
FRONT POWER
DISTRIBUTION
BOX
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”) Y6167
VALVE, INDIVIDUAL CONTROL
INTAKE SYSTEM
Y6163
SECONDARY AIR PUMP VALVE
Y6120
EVAPORATIVE EMISSION
VA LV E
Y6276
VARIABLE CAMSHAFT
CONTROL VALVE 2 (OUTLET)
Y6275z
VARIABLE CAMSHAFT
CONTROL VALVE 1 (INLET)
1210.25-09
1210.25-01
1210.25-001210.25-00
D100
DATA LINK
CONNECTOR
1210.25 ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10AEKPActivate relayFuel pump relay
11AOELDOil pressure signalInstrument cluster
12Not used
13Not used
14Not used
15Not used
16Not used
17ATDCrankshaft RPM speed signal (TD)Electronic immobilizer control
module (EWS III)/Thermal oil level
sensor (TOENS) control module
18Not used
19Not used
20Not used
21AA-OELNOil level signalThermal oil level sensor (TOENS)
control module
22EDFAHRSpeed signal right rearABS/ASC/DSC control module
23EKUPPClutch signalClutch switch
24EKL 54 ONBrake signalBrake light switch
25Not used
26E15A26Terminal 15Fuse 26
27EMFLCruise control signalCruise control interface
28ES_BLTSBrake signalBrake light switch
29AS_KORELActivate relayCompressor control relay
30ALDPVActivate valveLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33EEWSDMEDrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34ELDPSLeakage signalLeakage diagnosis pump
35M31GroundCruise control interface
36E/ACAN+CAN bus highInstrument cluster, ABS/ASC/DSC
control module
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
A6000
ENGINE CONTROL
MODULE (DME)
29 30
.5 GE .5 SW
2 148 31 32
.5 GN .5 BR
4 3
W9110
SHIELD
X6240
CYL. 4–6 CYL. 1–3
B6240
KNOCK SENSOR
X6003
12
FUSE DETAILS
0670.3
F2610A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
X62542
GROUND
DISTRIBUTION
0670.4
X6454
B6254
THERMAL OIL
LEVEL SWITCH 33
14
.5 SW/VIA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
21
11X19007
.5 GN/GEA19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
X60004
12
.75 SW/GNM6510
STARTER
X60003
30h
26
X60004
39
X60003
31X6254
.5 GR/BR
2 X60004
.5 SW/GE
12X10182
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) .5 SW/GE
.5 SW/GE
2
X89977
NOT USED X276
Z3 VERSIONS
TD
17
X60021 D100
DATA LINK
CONNECTOR5X1805
.5 SW
12
.5 SW
.5 WS .35 WS
X1047
X1186
5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4
1240.0 START
P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2 X0
X331 4 RT
4 RT
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
X2
16 RTPOWER
DISTRIBUTION
0670.2
7
1
18 X20GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.3
2
82
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X1805
2.5 SW/GE 2.5 SW/GE
F315A
210
3
X1001830
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994
GROUND
DISTRIBUTION
0670.4 X1805
.35 BR/SW
3
M VERSIONS