Page 88 of 367

Pin Assignments (Z3 Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
10
AEKPActivate relayFuel pump relay
11Not used
12MM_FWG2GroundPedal position sensor
13EA_FWG2Signal, pedal position 2Pedal position sensor
14AU_FWG2Voltage supplyPedal position sensor
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
20AS_DMTLVoltage supplyLeakage diagnosis pump
21Not used
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
30AS_UVTLActivate changeover valveLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33ES_DWADrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34Not used
35M31GroundCruise control interface
36E/ACAN+CAN bus highInstrument cluster, ABS/ASC/DSC
control module, steering angle
sensor
Page 94 of 367
POWER
DISTRIBUTION
0670.2G7512
B+ JUNCTION
POINT
ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)
32 X6304
K6304
SECONDARY AIR
PUMP RELAY
X61331X6133
2
Y6133
AIR PUMP
X6455
GROUND
DISTRIBUTION
0670.4
X63045
GROUND
DISTRIBUTION
0670.4
26
4 RT/GE
30
A6000
ENGINE CONTROL
MODULE (DME)
4
3 X60004
X24998
M119
LEAKAGE DIAGNO-
SIS PUMP
.75 BR/BL
1
20
.5 SW/GN
8
8
FUSE DETAILS
0670.3
F20430A
X8680
P98
FUSE HOLDER IN
E–BOX
.5 BR/WS
28
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F135A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
1.5 BL/RTX1714
X1714
X181BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT
.35 BR/BL/GE
31
F10750A
X1982
X60538
.5 BR/WS
Z3 VERSIONS
Page 100 of 367

Y6120
EVAPORATIVE
EMISSION VALVE
Y6165
SOLENOID
VALVE, SUCKING
JET PUMPM6506
E–BOX FAN
2020 C
11 10 AA34 DB33
C4
22
B6241
CYL. 1–2 KNOCK SENSOR
B6242
CYL. 3–4 KNOCK SENSOR
B6243
CYL. 5–6 KNOCK SENSOR 1210.27-06
29
31
30
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.27-02
37
+
–
1210.27-05
42
5146 47Y6130
IDLE SPEED
CONTROL VALVE 1210.27-05
36
1210.27-02
32
D
F20530A
123B
1210.27-09
12
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 1210.27-03
1719
24
1210.27-071136
1210.27-11
1210.27-12
37
1210.27-11
2735
1210.27-104565
P98
FUSE HOLDER IN
E–BOX1210.27-00
K6327
INJECTION VALVES
RELAYG6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET) 1210.27-07P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
1210.27-12 K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
A2w
INSTRUMENT
CLUSTER
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
A9008
CRUISE CONTROL
INTERFACE A
5C
TXD
C
DEA
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
F20130AF20320AF20430A
1210.27-09
1210.27-021210.27-00
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL1210.27-01
7 6
9
E8F202
30A
D
781412
R10
PEDAL POSITION
SENSOR
1210.27-13 13
9D
1210.27-08
C6000
SUPPRESSION CA-
PACITOR 1210.27-01
7C
1210.27-05
12 B
B6224
CAMSHAFT
POSITION
SENSOR 2
(OUTLET) 1210.27-07
F155AF2610A
P90
FRONT POWER
DISTRIBUTION
BOX
F135AF1820A 50 15 30 15
6
1210.27-04
B6207
HOT FILM AIR
MASS METER
622177
1210.27-08
B5351
EXHAUST
TEMPERATURE
SENSOR
1019187 131
16 15 14
5
1210.27-04
Y5392
ELECTRIC
THROTTLE
MOTOR
9220
1210.27-04
R6252
THROTTLE
POSITION
SENSOR
231426
1210.27-09
K6301z
ELECTRIC FUEL
PUMP RELAY,
TIMED
M2
FUEL PUMP 1210.27-09
S30
BRAKE LIGHT
SWITCH 1210.27-10
2429K19
COMPRESSOR
CONTROL
RELAY 1210.27-10
K22
HIGH SPEED
RELAY 1210.27-12
3CCB
35 34 33
3 2
1
4443
Y5255
VARIABLE CAM-
SHAFT CONTROL
VALVES
450
1210.27-03
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
25451
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
NS
218
1210.27-06
1210.27-10S32
CLUTCH SWITCH
B13
1210.27-11
G6509
GENERATOR26
1210.27-11B6231
OIL PRESSURE
SWITCH
19
1210.27-12
S555
TIRE PRESSURE
WARNING SYSTEM
(RDW) PUSH-
BUTTON
C39
1210.27-12B6254
THERMAL OIL
LEVEL SWITCH
C
38
S8511
REVERSING
LIGHT SWITCH
28 30
M119
LEAKAGE DIAG-
NOSIS PUMP 1210.27-09
A6000
ENGINE CONTROL
MODULE (DME)
M VERSIONS
1210.27 ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
Page 105 of 367

Pin Assignments (M Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
11
AOELDSignal, oil pressureInstrument cluster
12MM_FW2GroundPedal position sensor
13EA_FW2Signal, pedal position 2Pedal position sensor
14AU_FW2Voltage supplyPedal position sensor
15Not used
16Not used
17ATDCrankshaft RPM speed signal (TD)Electronic immobilizer control
module (EWS III)
18Not used
19ERFLReversing light signalReversing light switch
20ATOGSignal oil levelThermal oil level switch
21Not used
22EDFAHRSpeed signal right rearDynamic stability control unit
23Not used
24EKL 54 ONBrake signalBrake light switch
25Not used
26E15A26Terminal 15Fuse 26
27EMFLCruise control signalCruise control interface
28EA_S_LDPVLeakage diagnosisLeakage diagnosis pump
29AKORELActivate relayCompressor control relay
30EA_T_LDPLeakage diagnosisLeakage diagnosis pump
31Not used
32E/ATXDIITXD diagnosis data linkData link connector
33ES_DWADrive-away protection signal (code)Electronic immobilizer control
module (EWS III)
34ES_BLTSSignal testBrake light switch
35M31GroundCruise control interface
36E/ACAN+CAN-bus HighSplice, CAN-bus High
37E/ACAN–CAN-bus LowSplice, CAN-bus Low
38Not used
39Not used
40Not used
Page 117 of 367
ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
1
6
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION
BOX
4 X51
FUSE DETAILS
0670.3
2 X515
.75 SW
.5 SW/BL
K19
COMPRESSOR
CONTROL RELAY
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
30 86
87 85
X10241
X100181812 F39
7.5AF165A
2
A6000
ENGINE CONTROL
MODULE (DME)
35 X60004
29
27
.5 BR/OR .35 BL/SW
X1017012
A9008
CRUISE CONTROL
INTERFACE
4
FUSE DETAILS
0670.3
1 X78FUSE DETAILS
0670.3
3 X782
.75 RT/GE
.5 BL/RT
43
X10016632 F13
5AF4615A
2434
.75 BL/RT
BRAKE
LIGHTS
6325.0
X181
12S30
BRAKE LIGHT SWITCH
1) BRAKE PEDAL RELEASED
2) BRAKE PEDAL DEPRESSED
3) BRAKE PEDAL DEPRESSED
(TEST)
4) BRAKE PEDAL RELEASED
(NORMAL)
1
20
.5 SW/BL
3 X121
FUSE DETAILS
0670.3
S32
CLUTCH SWITCH
28
F4415A
X60002
2
GROUND
DISTRIBUTION
0670.4
X1211
X10010
X10018
X60004
8 X6021
.35 GR
M VERSIONS
Page 119 of 367
2
ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
A6000
ENGINE CONTROL
MODULE (DME)
19
GROUND DISTRIBUTION
0670.4 X60003
X18170
39
.5 GR/BR
X625431
X62542
GROUND DISTRIBUTION
0670.4
X6454
12
FUSE DETAILS
0670.3
2
F2610A
P90
FRONT POWER
DISTRIBUTION BOX
X1000001
2 X100000.5 GE/SW
7
X6021
5
X6053
.5 GE/SW .5 GE/SW
S555
TYRE PRESSURE WARNING SYSTEM (RDW)
PUSHBUTTON
1) OFF
2) TEACH–IN PROCESS
19X1169
X851111 X17
45
X60003.5 SW/GN/GE
8
X6053
5
X6021
.5 SW/GN .5 SW/RT/GE
3
X60211 BL/GE
X8511
20
X60004
.5 GN/GEX271
9
23 X16
14
FUSE DETAILS
0670.3
X10017
F275A
9
8
A2w
INSTRUMENT
CLUSTERK22
HIGH SPEED
RELAY
12
FUSE DETAILS
0670.3
X10016
F165A
4
X60004
.5 SW/RTX53
X53
BACK UP LIGHTS
6322.0
B6254
THERMAL OIL
LEVEL SWITCH 1 BL/GE
.5 BL/GE1S8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R
1 BL/GE
21
M VERSIONS
Page 127 of 367
S30
BRAKE LIGHT
SWITCH
E82
TRANSMISSION
POSITION
INDICATOR LIGHTA7000
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
8
F20320A
7
2460.14-03
16114
F4615AP90
FRONT POWER
DISTRIBUTION BOX
1845
F4615AP90
FRONT POWER
DISTRIBUTION BOX
16
Y8505y
TRANSMISSION
VALVE UNIT
8
2460.14-04
C
A
EGS:
Y19
SHIFT–LOCK 2460.14-02
12
A4S 360R
G6400
B+ JUNCTION
POINT E–BOX2460.14-00
2460.14-02
6910192023 25
A6000
ENGINE CONTROL
MODULE (DME) 2460.14-02
3237
F20430A
POWER
DISTRIBUTION
0670.2
E16
LEFT REAR LIGHT
ASSEMBLY
H27
LEFT BACK UP
LIGHT
9
K6325
REVERSING LIGHT
RELAY
2460.14-04 2460.14-04
41
F2610A
A
P98
FUSE HOLDER IN
E–BOX
C
BA
C = X70004
B = X70003
A = X70001
S N
340 38
S N
181117
L5
15
61920
58g
S224
GEAR STEP
TRANSMISSION
SWITCH 2460.14-03
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 2460.14-03
3CB36
24 392
2460.14-01
EARLY PRODUCTION
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
LATE PRODUCTION
2460.14 ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)
Page 129 of 367
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
12
Not used
13Not used
14Not used
15Not used
16EKL 54ONBrake pedal positionBrake light switch
17Not used
18ES_TIPMANSignal, manual transmissionTransmission position indicator light
19ES_TIPUPSignal, tip upGear step transmission switch
20ES_TIPDOSignal, tip downGear step transmission switch
21Not used
22Not used
23Not used
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used
30Not used
31Not used
32Not used
33Not used
34Not used
35Not used
36Not used
37Not used
38Not used
39Not used
40Not used
41Not used
42Not used
43Not used