engine BMW Z3M COUPE 2001 E36 Electrical Troubleshooting Manual



ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)










A6000
ENGINE CONTROL
MODULE (DME)
29 30
.5 GE .5 SW
2 148 31 32
.5 GN .5 BR
4 3
W9110
SHIELD
X62400
CYL. 4–6 CYL. 1–3
B62400
DOUBLE KNOCK
SENSOR
X60003
26FUSE DETAILS
0670.3
F435A
X10018
P90
FRONT POWER
DISTRIBUTION BOX
X111431
GROUND
DISTRIBUTION
0670.4
X10010
S32
CLUTCH SWITCH 27
2
.35 BL/SW
A9008
CRUISE CONTROL
INTERFACE
26X60004
23 X60004
23X11143
.5 BL/BR
1X10170
.5 BR/OR35X60004
1 6
FUSE DETAILS
0670.3
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
X1001818X1001612
F397.5AF165A
2
29
12
F2610A
FUSE DETAILS
0670.3X10017
Z3 VERSIONS

X1830381511LATE PRODUCTION
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)
X1746321617 A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
D100
DATA LINK
CONNECTOR


ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)










A6000
ENGINE CONTROL
MODULE (DME)
3 X600024655
GROUND
DISTRIBUTION
0670.4
4 X60001
X6454
GROUND
DISTRIBUTION
0670.4
.35 SW
6 X60005
GROUND
DISTRIBUTION
0670.4
X6456
.35 GE
3131313131
X700043736
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
6
.5 WS/VI
32
TXD2 CAN+ CAN–
14 X6000412
.35 GE/GN .35 BR
X7368
R10
PEDAL POSITION
SENSOR
9
2
8
.35 WS
5
7
4
.35 GE .35 BR/GN
22 X60004
.35 WS/GN .5 BR
X11702110
A52
SLIP CONTROL
MODULE (ABS/ASC)
CAN+ CAN–
.5 GE
11
3736
.5 BR .5 GE
X165843
R33
STEERING ANGLE
SENSOR
CAN–
32
CAN+
.5 GE .5 BR
X1667
A2w
INSTRUMENT
CLUSTER
CAN–CAN+
33
.5 SW/VI
X1805145
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
17 .5 SW
X1900712
1
D100
DATA LINK
CONNECTOR
X6002.35 SW
X600217
.5 WS/VI
TXD2 CAN+ CAN– TXD2 CAN+ CAN–
X1047
.35 SW
.5 SWX1893
.5 BR .5 GE
EARLY PRODUCTION
13
.35 WS/GN
1

WITH DSC
X1894
TD
Z3 VERSIONS






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)





Pin Assignments (M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
9
Not used
10EA_TABGASTemperature signalExhaust temperature sensor
11AA_PEKPActivate relayElectrical fuel pump relay, timed
12AS_EBOXSignal E-box fanE-box fan
13MT_LHV2Oxygen sensor heating groundOxygen sensor 2 (in front of
catalytic converter)
14EA_LSV1Sensor signalOxygen sensor 1 (in front of
catalytic converter)
15EA_LSV2Sensor signalOxygen sensor 2 (in front of
catalytic converter)
16EA_LSH1Sensor signalOxygen sensor 1 (behind catalytic
converter)
17Not used
18EA_LSH2Sensor signalOxygen sensor 2 (behind catalytic
converter)
19MT_LHH2Oxygen sensor heating groundOxygen sensor 2 (behind catalytic
converter)
20ES_KUPPLUClutch pedal depressedClutch switch
21Not used
22Not used
23AS_HRActivate relayEngine control module relay
24Not used
X60003
Pin Type Signal Description/Function Connection
1
EA_HFMSignal air mass meterHot film air mass meter
2EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)
3Not used
4ATNWE_F1Activate valveVariable camshaft control valve
(inlet) – advance
5EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6EP_NWGA1Signal camshaft positionCamshaft position sensor 2 (outlet)





Pin Assignments (M Versions)




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
7
AU_DKG1Voltage supplyElectric throttle motor, hot film air
mass meter
8EP_KWGSignal crankshaft positionCrankshaft position sensor
9Not used
10EA_EDRPThrottle position signalElectric thottle motor
11Not used
12Not used
13ES_61–1Charge signalGenerator
14AU_DKG2Voltage supplyThrottle position sensor
15Not used
16Not used
17MM_HFMGroundHot film air massmeter
18Not used
19ES_RDKSTeach-in processPushbutton, tire pressure warning
system
20MM_DKG1/2GroundThrottle position sensor, electric
throttle motor
21MM_KWGGroundCrankshaft position sensor
22EA_TANSTemperature signal intake airHotfilm air mass meter
23EA_DKG1Throttle position signalThrottle position sensor
24EA_TMOTTemperature signalEngine coolant temperature sensor
25M31_ANAGroundVarious sensors
26EA_OLDOil pressure signalOil pressure switch
27Not used
28Not used
29EA_KS1Knock sensor signalCyl. 1–2 knock sensor
30EA_KS3Knock sensor signalCyl. 3–4 knock sensor
31EA_KS2Knock sensor signalCyl. 5–6 knock sensor
32Not used
33AP_EVZ1Activate valveCyl. 1 fuel injection valve
34AP_EVZ2Activate valveCyl. 2 fuel injection valve
35AP_EVZ3Activate valveCyl. 3 fuel injection valve
36AP_EVZ4Activate valveCyl. 4 fuel injection valve



ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)










2
1.5 RT
2.5 RT/WS/GE
4 RT/WS
23 7 X60001
4
G6400
B+ JUNCTION
POINT E–BOX
A6000
ENGINE CONTROL
MODULE (DME) 8530
87
1
POWER
DISTRIBUTION
0670.2
F20130AF20230A5F20320A
P98
FUSE HOLDER IN
E–BOX
15
4
4 RT/WS
6X86802
8 X60001
15 15
2.5 RT/WS 1.5 RT/WS
FUSE DETAILS
0670.3 X60002
.5 BR/WS
X6300
6
4 RT
X6300
5K6300
ENGINE CONTROL
MODULE RELAY
X641022
1
X8680
2.5 RT/WS
F20430A
15
8
2.5 RT/WS/GE
4 RT/WS/GE X64101
87
X6960
M VERSIONS

1 GN
1.5 SW/RT1.5 SW/WS1.5 SW/GE1.5 SW/BL1.5 SW/GN1.5 SW/VI
!2










1 3 X6151
X61521
1 GN1 GN
3 3 X6152
2 3 9 6 7 X60005
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
A6000
ENGINE CONTROL
MODULE (DME) 1 GN 1 GN
X6151
2
2
X6153
X61532 1X61541 3 X61542T6154
CYL. 4 IGNITION
COIL
3 X6155
X61552 1
X61561 3 X6156
T6156
CYL. 6 IGNITION
COILT6153
CYL. 3 IGNITION
COILT6155
CYL. 5 IGNITION
COIL
1 BR1 BR
1 BR1 BR1 BR
1 BR
GROUND
DISTRIBUTION
0670.4
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
313131313131
1 X6054
2.5 GN 2.5 RT/WS/GE
X6832
1 GN
X6456
X6456
X6456
.5 GN
C6000
SUPPRESSION CA-
PACITOR
GROUND
DISTRIBUTION
0670.4
X6456
1 BR
1 GNX6833



ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
2










A6000
ENGINE CONTROL
MODULE (DME)
Y6106
CYL. 6 FUEL
INJECTION VALVE
–+ Y6101
CYL. 1 FUEL
INJECTION VALVE
–+Y6102
CYL. 2 FUEL
INJECTION VALVE
–+
Y6103
CYL. 3 FUEL
INJECTION VALVE
–+
Y6104
CYL. 4 FUEL
INJECTION
VA LV E –+
Y6105
CYL. 5 FUEL
INJECTION VALVE
–+
3334353638 X60003
1 X61011 X61031
X6105
1 X61061 X61041 X6102
2 X61022 X61042 X6106
2
X61052 X6103X6101
.75 BR/WS .75 BR/RT .75 BR/GE .75 BR/BL .75 BR/GN .75 BR/VI
37
313131313131
10
FUSE DETAILS
0670.3
F20530A
X8680
P98
FUSE HOLDER IN
E–BOX
.5 RT/GE .5 RT/GE .5 RT/GE .5 RT/GE .5 RT/GE .5 RT/GE
4
8530
87
X6327
6X6327
2K6327
INJECTION VALVES
RELAY
X6454
GROUND
DISTRIBUTION
0670.4
1X60001
A6000
ENGINE CONTROL
MODULE (DME)
86 8 5 GN
X60531
2.5 RT/GE
2.5 RT/GE
X6970
M VERSIONS



ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)









A6000
ENGINE CONTROL
MODULE (DME)
556
GROUND
DISTRIBUTION
0670.4
4 X60001
X6454
GROUND
DISTRIBUTION
0670.4
X6000544 X6000343
.5 SW
X525564
Y5255
VARIABLE CAM-
SHAFT CONTROL
VALVES
1) INLET VALVE –
RETARD
2) INLET VALVE –
ADVANCE
3) OUTLET VALVE
– RETARD
4) OUTLET VALVE
– ADVANCE
4
3
50
1
.5 BR
X52555
.5 BR
2
GROUND
DISTRIBUTION
0670.4
X6454
12 3 4.5 SW .5 GN .5 GN
31313131
10
FUSE DETAILS
0670.3
X10016
P90
FRONT POWER
DISTRIBUTION BOX
6
12
FUSE DETAILS
0670.3
X10017
26
.35 SW
17 .5 SW X1047
X18055
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
1
.35 SW.5 SW/VI
33 1417X6002
32
.5 WS/VI
X60004
D100
DATA LINK
CONNECTORF155AF2610A
M VERSIONS

P98
FUSE HOLDER IN
E–BOX


ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)









A6000
ENGINE CONTROL
MODULE (DME)
710X60001221
B6207
HOT FILM AIR MASS
METER
1) INTAKE AIR
TEMPERATURE
SENSOR
2
X86806
X62073
541
1720
Y5392
ELECTRIC
THROTTLE MOTOR
X53933
12
.5 BR
.5 BR/ORX6475
X5393
92
12
X5285
X5392
X60003
X5284
76
1423
X62523
12
R6252
THROTTLE
POSITION SENSOR X5286
A6000
ENGINE CONTROL
MODULE (DME) .5 GE .5 GE/BL .5 RT/GN .5 VI2.5 WS 2.5 RT
.5 RT/GE .5 WS
.5 BR.5 BR
X6053
2.5 WS 2.5 RT
2.5 WS 2.5 RT X60003
X60003
X6252
.5 RT/GN
X6207.5 RT/GN
1
FUSE DETAILS
0670.3
F20320A
M VERSIONS