2001 BMW Z3M COUPE Electrical Troubleshooting Manual






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






Pin Assignments




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
44
Not used
45Not used
46Not used
47Not used
48Not used
49Not used
50Not used
51Not used
52Not used
X70004
Pin Type Signal Description/Function Connection
1
ES_GL2Gear range signal L2Transmission valve unit
2AU_GETRPOVoltage supply, gear range switchTransmission valve unit
3AU_EDSMV2Voltage supply, solenoid valvesTransmission valve unit
4AS_RFLRELActivate relaisRelais, back up lights
5Not used
6AT_EDSWKTorque converter clutch solenoid
valve controlTransmission valve unit
7Not used
8AT_EDS1Hydraulic pressure regulator controlTransmission valve unit
9AS_MV3Solenoid valve 3 controlTransmission valve unit
10AS_MV2Solenoid valve 2 controlTransmission valve unit
11AV_EDSMV1Voltage solenoid valvesTransmission valve unit
12Not used
13Not used
14ES_GL3Gear range signal L3Transmission valve unit
15ES_GL4Gear range signal L4Transmission valve unit
16ES_GL5Gear range signal L5Transmission valve unit
17ES_GL1Gear range signal L1Transmission valve unit
18AA_TOELGOil temperature signal +Transmission valve unit






Pin Assignments




E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
19
MM_TOELGOil temperature signal –Transmission valve unit
20AS_MV1Solenoid valve 1 controlTransmission valve unit
21Not used
22Not used
23AF_NTU+Speed sensor turbine +Transmission valve unit
24MF_NTU–Speed sensor turbine –Transmission valve unit
25MW_NTUGround for shieldShield for speed sensor turbine
26Not used
27Not used
28Not used
29Not used
30Not used
31Not used
32E/AD_TXD2TXD diagnostic data linkEngine control module
33Not used
34Not used
35Not used
36E/AD_CAN-HCAN-bus HighEngine control module
37E/AD_CAN-LCAN-bus LowEngine control module
38MW_NABGround for shieldShield for speed sensor
39MF_NAB–Speed sensor shaft –Transmission valve unit
40AF_NAB+Speed sensor shaft +Transmission valve unit















ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)
40
.35 WS18
.5 SW/RT3A7000
TRANSMISSION
CONTROL MODULE
(EGS)
1.5 RT/WS
9
W9047
SHIELD.75 GN
X641012
7
1 RTG6400
B+ JUNCTION
POINT E–BOX
X70001
X86808
FUSE DETAILS
0670.3
F20430AP98
FUSE HOLDER IN
E–BOX
23
.35 BL
W9047
SHIELD
11X70004
.75 VI
1X10017
12
FUSE DETAILS
0670.3
F2610AP90
FRONT POWER
DISTRIBUTION BOX
1.5 RT/WS
8
POWER
DISTRIBUTION
0670.2











A7000
TRANSMISSION
CONTROL MODULE
(EGS)
9

207
.5 OR/SW

103
.5 GN/RT

9 2
.5 GE
6 1
.5 SW/GE
8 6
.5 RT

19 .5 WS/RT
3
39 .35 BR
X70004
8
10
1
.35 WS .75 GN


3131313131313131 38
Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID VALVE 1
2) SOLENOID VALVE 2
3) SOLENOID VALVE 3
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH SOLENOID
VA LV E
8) OIL TEMPERATURE
SENSOR
9) SPEED SENSOR
10) SPEED SENSOR
TURBINE .5 SW/RT
17
14 9 5 20 X8505
13 6
24 .35 GR
3131 25
15
18
.35 BL
10

X85058 .75 VI
W9047
SHIELDW9047
SHIELD



SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH











ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)
14 6 X70001
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
GROUND
DISTRIBUTION
0670.4
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X7000316 .5 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
3 1 X13396
Y19
SHIFT–LOCKFUSE DETAILS
0670.3
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
32 .5 WS/VI
TXD2
GROUND
DISTRIBUTION
0670.4
X6454
2
6A6000
ENGINE CONTROL
MODULE (DME)
32
TXD2 TXD2
X600217 D100
DATA LINK
CONNECTOR
.5 SW/VI .5 BR/VI .5 WS/VI
3736
.5 BRX1676
CAN– CAN+
CAN+ CAN– X1893
.5 BR .5 GE
.5 GE
X60004
3736
.35 SW
X6000243
CAN– CAN+
CAN+ CAN– .35 GE
X70004
5
GROUND
DISTRIBUTION
0670.4
ENGINE CONTROL
SYSTEM MS43
(6–CYLINDER M54)
1210.26
X70003
A2w
INSTRUMENT
CLUSTER
X1894

ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)










P90
FRONT POWER
DISTRIBUTION
BOX
X70003
3
3 X1600
3 X1805
2 X18994
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) FUSE DETAILS
0670.3
32
X191
.5 BR/SW
.5 BR/SW


F4615A
.35 BR/SW
NOT USED
2 00103
X10018
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
S224
GEAR STEP
TRANSMISSION
SWITCH
0) OFF
1) MANUAL
TRANSMISSION
2) TIP UP
3) TIP DOWN
.5 GR/BLE82
TRANSMISSION
POSITION
INDICATOR LIGHT
2 X1600
2 X15613 4
1 X1561
3
1 X8518
.5 GR/GN .5 GR/RT .5 GR/ BL
1
.5 GR/RT
58g
LIGHT SWITCH
DETAILS
6300.020 19 18
2X8518



GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
LATE PRODUCTION EARLY PRODUCTIONA104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
11 X13252
.5 VI/SW

87
ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)












P90
FRONT POWER
DISTRIBUTION BOX
L4 L3 L2 L1
A7000
TRANSMISSION
CONTROL MODULE
(EGS) 17 1 14 15
.5 SW.5 OR.5 VI/SW .5 GE/SW
X63252K6325
REVERSING LIGHT
RELAY
6 X6325
E16
LEFT REAR LIGHT
ASSEMBLY
5 X319
11
216 72 X70004
A7000
TRANSMISSION
CONTROL MODULE
(EGS)L1 L2 L3 L4
P
R
N
D
4
3
21110
0011
1101
0001
1011
0010
1000
H27
LEFT BACK UP
LIGHT
X1001712
X1169
1 BL/GEFUSE DETAILS
0670.3
1 BL/GE
.5 GE/BL


F2610A
100 10 110
31313131
4 X8505
8FUSE DETAILS
0670.3
6
F20320A
P98
FUSE HOLDER IN
E–BOX
L5 16
X850519
0 1
31
.5 TR/SW3 X6021
2 X60531
1 BL/GE 4
4 X70004
.5 BR/SW3
Y8505y
TRANSMISSION
VALVE UNIT
13) 0: OFF (LOW)
14) 1: ON (HIGH)
1 BL/GE L4 L3 L2 L1 L5
.5 BR/SW85 86 30X8680
L5
0
0
0
1
1
1
1