Page 94 of 382
ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)
X17
OBD II DIAGNOSIS
46X600011
.5 GE/RT.5 GN/BL.5 GN/RT
51 20
.5 GR
.5 WS/VI/GE
D100
DATA LINK
CONNECTOR1210.17-05 1210.17-06
A6000
ENGINE
CONTROL
MODULE (DME)
42 .5 VI/GN
X6868
.5 GR/WS .5 BR/SW P90
FRONT POWER
DISTRIBUTION BOX
F425A
FUSE DETAILS
0670.3
24X10018
8X60314
675
7 X19527
D110
OBD II
CONNECTOR
.5 WS/VI/GE
231
123
.5 WS/VI/GE
.5 GE/RT .5 GN/BL.5 GN/RT .5 GR .5 GR/WS .5 BR/SW
X161316
B65
FUEL TANK
PRESSURE
SENSOR
123
.5 GE/RT .5 GR/WS .5 BR/SW
1
B6247
CHARCOAL
FILTER SHUT–
OFF VALVE
A2w
INSTRUMENT
CLUSTER
X19528
DDS + DDS –DDSS
X6002
X8103
.5 VI/GN
X6501
X6031
P90
FRONT POWER
DISTRIBUTION BOX
F135A
FUSE DETAILS
0670.3
6X10016
2 X6247
M VERSIONS
Page 95 of 382

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)
Page 99 of 382

Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
37
AP_EVZ5Activate valveCyl. 5 fuel injection valve
38AP_EVZ6Activate valveCyl. 6 fuel injection valve
39EF_OLNLevel signalOil level sensor
40AT_NWE1Activate valveVariable camshaft control valve 1
(inlet)
41AT_NWA1Activate valveVariable camshaft control valve 2
(outlet)
42AT_TEVActivate valveEvaporative emission valve
43AT_MDK1Activate motorCruise control actuator
44AT_MDK2Activate motorCruise control actuator
45AS_KFKCooling signalThermostat, characteristic map
cooling
46AT_LLFSSCLOSE signalIdle speed control valve
47AT_LLFSOOPEN signalIdle speed control valve
48MW_KSGroundShield knock sensor
49AS_DISAActivate valveValve, individual control intake
system
50Not used
51Not used
52AS_SLPV1Activate valveSecondary air pump valve
X60004
Pin Type Signal Description/Function Connection
1
A61Charging signalInstrument cluster
2A30HStart signalBody electronics control module
(ZKE IV)
3ASLPActivate relaySecondary air pump relay
4Not used
5Not used
6Not used
7Not used
8Not used
Page 100 of 382

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
Page 101 of 382
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
37
E/ACAN–CAN bus lowInstrument cluster, ABS/ASC/DSC
control module
38Not used
39Not used
40Not used
X60005
Pin Type Signal Description/Function Connection
1
AP_ZSZ3Ignition coil signalCyl. 3 ignition coil
2AP_ZSZ2Ignition coil signalCyl. 2 ignition coil
3AP_ZSZ1Ignition coil signalCyl. 1 ignition coil
4Not used
5M31LGroundGround point
6MA_ZSRGroundGround point
7AP_ZSZ6Ignition coil signalCyl. 6 ignition coil
8AP_ZSZ5Ignition coil signalCyl. 5 ignition coil
9AP_ZSZ4Ignition coil signalCyl. 4 ignition coil
Page 110 of 382
32X17461716
ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
6
11191 .5 BL
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME) X60004
22 21 X1170
A52
SLIP CONTROL
MODULE
(ABS/ASC)
.5 BR/GN
6
X8500
88X60002
4
86 .35 GE3
85
.35 SW .5 WS/VI
X1893
.35 WS/GN
G6509
GENERATOR
13
X6524
2 .5 BL
26
X6231
1X60003
.5 BR/GN
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE11
.5 GE 10.5 BR
3637
A2w
INSTRUMENT
CLUSTER
14
FUSE DETAILS
0670.3
F275A
X10017
P90
FRONT POWER
DISTRIBUTION BOX
23
X1894
32 X60004
.5 WS/VI
X600217
D100
DATA LINK
CONNECTOR X17
.5 GE
X213
.5 BL
CAN + CAN –
CAN + CAN –TXD2 TXD2
D+
CAN + CAN –TXD2
CHARGING
SYSTEM
1230.0.5 BR
12
CAN –CAN +
Z3 VERSIONS
67.5 GE
CAN + CAN – .5 BR
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)43
X1658
CAN + CAN –
R33
STEERING ANGLE
SENSOR
.5 GE .5 BRWITH DSC
X16
Page 113 of 382
1230.0 CHARGING SYSTEM
A2w
INSTRUMENT
CLUSTER X175
X176S2
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
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL
X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
X7509
M VERSIONS
A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL
Page 114 of 382
CHARGING SYSTEM
A2w
INSTRUMENT
CLUSTER
X176
.5 BL
.5 BL
X400
3
X213
.5 BL
TELEPHONE
CONNECTOR
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
F2610A
12FUSE DETAILS
0670.3
X65242
X65241
F275A
X1001714FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X16
23
Z3 VERSIONS
A6000
ENGINE CONTROL
MODULE (DME)
X60004
1
X6000313 .5 BL