transmission BMW Z3M COUPE 2000 E36 Electrical Troubleshooting Manual







Pin Assignments





E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
10
Not used
11MGroundShift-lock
12Not used
13ASolenoid valve 3 control (–)Transmission valve unit
14AHydraulic pressure regulator control (–)Transmission valve unit
15Not used
16Not used
17EGear range signal L2Automatic transmission range switch
18EGear range signal L4Automatic transmission range switch
19EBrake pedal positionBrake light switch
20Not used
21Not used
22EManual mode signalProgram switch
23EOutput speed (–)Transmission valve unit
24MGround for shieldShield for speed sensor
25Not used
26Not used
27EKick-down signalKick-down switch
28Not used
29EAutomatic mode signalProgram switch
30EOil temperature signal (–)Transmission valve unit
31EOil temperature signal (+)Transmission valve unit
32Not used
33Not used
34Not used
35EBattery voltageB+ junction point E-box
36AM-program indicationProgram switch
37MGroundGround point
38Not used
39ASolenoid valve 1 control (–)Transmission valve unit







Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
40
Not used
41ATorque converter clutch solenoid valve
control (–)Transmission valve unit
42ASolenoid valve 2 control (–)Transmission valve unit
43MGroundGround point
44Not used
45EGear range signal L1Automatic transmission range switch
46EGear range signal L3Automatic transmission range switch
47Not used
48Not used
49Not used
50Not used
51EOutput speed (+)Transmission valve unit
52Not used
53Not used
54AA-program indicationProgram switch
55Not used
56Not used
57Not used
58Not used
59Not used
60Not used
61AShift-lock solenoid controlShift-lock
62AVoltage solenoid valvesTransmission valve unit
63EVoltage supplyFuse 204
64Not used
65Not used
66Not used
67Not used
68Not used
69Not used
70Not used
















ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
425V (15)
.5 GE22
.5 TR53A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1.5 RT/WS

54
X8500
31
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS).75 RT
3
85
X600024
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
X8500
CAN - CAN +
CAN - CAN +X86808
FUSE DETAILS
0670.3
F20430AP98
FUSE HOLDER IN
E–BOX











A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 3
.5 VI

332
.5 GN
301
.5 OR
5 6
.5 GR

21 .5 SW
2
14 .5 SW
X8500
8
14
1
.5 RT .5 GE .75 RT


31313131313131
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
31 15
X8516
X8516
Y8521
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 DR .5 TR
.75 BR
X8073
2X85054
1 12 9 11 X8505
6 16



SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH












ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
5V (15)
234 2818 X8500
X85071X6031
5
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED GROUND
DISTRIBUTION
0670.4 .5 SW/VI.5 BR/VI.5 BL/GN
15 14 X6031
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X60312
X850010.35 BL/RT.5 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
2 1 X1178
Y19
SHIFT–LOCKFUSE DETAILS
0670.3
1 2
–
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
88 .5 WS/VI
TXD2
GROUND
DISTRIBUTION
0670.4
X6454
52
X600026A6000
ENGINE CONTROL
MODULE (DME)
X6000432
TXD2 TXD2
X600217 D100
DATA LINK
CONNECTOR
.5 BL/GN
.5 SW/VI .5 BR/VI .5 WS/VI

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)













A8500
TRANSMISSION
CONTROL MODULE
(EGS)
20 13
.35 GE/BL
37
.35 GE/BRX8565
1
8 X6031
5 X8503
.35 GE/WS
A
X85032S8503
PROGRAM SWITCH
0) OFF
1) AUTOMATIC
2) MANUAL
GROUND
DISTRIBUTION
0670.4
X1001712P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
4527
X8564
E
.35 GE/WS.35 GE/WS .35 GE/BLM
M .5 GE/BR .5 GE/WS
26 X85001RT
F2610A
31


15


15
0
2 1




X8500
X641012G6400
B+ JUNCTION
POINT E–BOX
POWER
DISTRIBUTION
0670.2

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)











P90
FRONT POWER
DISTRIBUTION BOX
L4 L3 L2 L1
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 9 37 8 36 X8500
86 74
.35 BR/
WS.35 BL/
WS.35 BR/
SW.35 BL/
SW
X5113S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2) CLOSED IN RE-
VERSE
2 X5115
L4 L3 L2 L1
R
E16
LEFT REAR LIGHT
ASSEMBLY
5 X319
6
4 13 X603133 X1805A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
.5 BR/WS .5 BL/WS .5 BR/SW .5 BL/SW.5 BR/SWFUSE DETAILS
0670.3
L1 L2 L3 L4
P
R
N
D
3
2
11 101
1 000
1 110
0 001
0 011
1 011
0 010
H27
LEFT BACK UP
LIGHT
16X1001712
X1169
1 BL/GEFUSE DETAILS
0670.3
1 BL/GE
L2
.5 BR/SW


F285AF2610A
1 00101012 0
31313131
X191
2 X18994
.35 BR/SW
NOT USED
3 X6021
.75 BL/GE
NOT USED

ELECTRONIC
TRANSMISSION
CONTROL (EGS
A4S 270R)
2460.2






 






2X10017
X5115 16
X511
7
.5 BR/SW
3P90
FRONT POWER
DISTRIBUTION BOX
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
8
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805
X2094
8 X332.5 SW/GE
L2
X18057
2.5 SW/GE
X331
4 RT
50 2.5 GN/SW
DRIVE–AWAY PROTECTION (EWS III)
X2095
FUSE DETAILS
0670.3
F315AF285A
2
10
3
1 0POWER
DISTRIBUTION
0670.2
X10018
X189943 30
X18994
2S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED
F457.5A
2 1
1
.35 BR/SW
X9633
GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2
WITHOUT EGS WITH EGS
X191
.5 BR/SW
X191
.5 BR/SW
G7512
B+ JUNCTION
POINT
1110
.5 WS.5 BL
31
L1
EWS TOROIDAL
COIL
X1764
9
F10650A
X1981
4 RT
Z3 VERSIONS



LIGHT SWITCH DETAILS











E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT .5 GR/RT
1 X1193
2 X1193

4 X651
1 X651S53
DRIVER’S
SEAT, SEAT
HEATER
SWITCH
.5 GR/RT 6300.0-00
X806
1.5 GR/RT
A35y
BOARD
COMPUTER
(BC – LOW)
11 X10245
.5 GR/RT
A110
DIGITAL CLOCK
2 X10263
.5 GR/RT
X18170
4 X658
1X658S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
.5 GR/RT
E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2 X18983
1 X18983
E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2
1
X13004
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X985
.5 GR/RT
.5 BR/WS
.5 BR/WSX18984
X18984
8 X10054
.5 GR/RT
S126y
DRIVER’S POWER
WINDOW SWITCH .5 GR/RT
4 X316
3 X316
GROUND
DISTRIBUTION
0670.4
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X324
X324
X494
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
3
4
Z3 VERSIONS
3X1155
N5
ANALOG CLOCK
ROADSTER

1 BL/GE1 BL/GE
Z3 VERSIONS WITHOUT EGS
1 BL/GEX8074


6
6322.0 BACK UP LIGHTS













P90
FRONT POWER
DISTRIBUTION BOX
12
X10017
F2610A

3 X511
2 X511
X319
20S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
2) CLOSED IN RE-
VERSE
FUSE DETAILS
0670.3
Z3 VERSIONS WITH EGS
H27
LEFT BACK UP
LIGHT
5X319

X318
H28
RIGHT BACK UP
LIGHT X318

1 BL/GE
1 BL/GE .75 BL/GE
E16
LEFT REAR LIGHT
ASSEMBLYE17
RIGHT REAR LIGHT
ASSEMBLY
1.5 BR 1.5 BR
X13006
RS8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R 1 X8511
2 X8511
21
10 X20
1 BL/GE
1 BL/GE
1
15 M VERSIONS
GROUND
DISTRIBUTION
0670.4
1 BL/GEX1169
1 X8511
2 X8511
21S8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R
1 BL/GE
1 BL/GEX1169
.75 BL/GE3 X6021
NOT USED
X1169
1 BL/GE
3 X6021
.75 BL/GE
LATE PRODUCTION