2001 BMW Z3M COUPE Electrical Troubleshooting Manual





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





Pin Assignments (M Versions)




E = Input, A = Output, M = Ground
X60005
Pin Type Signal Description/Function Connection
1
AP_ZSZ1Ignition coil signalCyl. 1 ignition coil
2AP_ZSZ2Ignition coil signalCyl. 2 ignition coil
3AP_ZSZ3Ignition coil signalCyl. 3 ignition coil
4Not used
5M31LGroundGround point
6AP_ZSZ5Ignition coil signalCyl. 5 ignition coil
7AP_ZSZ6Ignition coil signalCyl. 6 ignition coil
8Not used
9AP_ZSZ4Ignition coil signalCyl. 4 ignition coil



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

46
4
FUSE DETAILS
0670.3
X8680
P98
FUSE HOLDER IN
E–BOX
47










32 X6130
X61651
1 RT/WS/GE
51 42 X60003
Y6130
IDLE SPEED
CONTROL VALVE
Y6165
SOLENOID VALVE,
SUCKING JET
PUMP
A6000
ENGINE CONTROL
MODULE (DME) X6130
X612021 X6120
Y6120
EVAPORATIVE
EMISSION VALVE
.5 WS/GN
313131


ENGINE CONTROL SYSTEM MSS54 (6–CYLINDER S54 B32)
1
.5 WS/GE.5 GE/BRX6165
2 .5 RT/WS/GE
.5 BR/SW .5 RT/WS/GE
6
FUSE DETAILS
0670.3
12 X60002
X65062
31
.5 BR/GE
M6506
E–BOX FAN 1 X6506
F20230AF20230A
M VERSIONS