1999 BMW Z3M COUPE automatic transmission




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)











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 USEDA6000
ENGINE CONTROL
MODULE (DME)
X6000419
.5 BL/GE
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 X33
2.5 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

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 REVERSE
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 X85112 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
19 X60004
A6000
ENGINE CONTROL
MODULE (DME)
.5 BL/GE
3 X6021
.75 BL/GE













CRUISE CONTROL (TEMPOMAT)
P90
FRONT POWER
DISTRIBUTION BOX F26
10A
X10017
12
1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/
SET
4) ACCELERATE/
SET
324 X72
A9008
CRUISE CONTROL
INTERFACE .35 BL/GE .35 BL .35 BL/GR.35 VI/WS
.35 BL/SW FUSE DETAILS
0670.3
5
4 3
0211 1
0
Z3 VERSIONS
3 X10170
X85112
S8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R
21
X5112
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
2) CLOSED IN RE-
VERSE
20
1 X85113 X511
BACK UP LIGHTS
6322.0X1169X1169
1 BL/GE1 BL/GE
.5 BL/GE WITH EGS WITHOUT EGS
21 X10170
.35 BL/SW .5 BR/OR
35 X6000427
A9008
CRUISE CONTROL
INTERFACE
A6000
ENGINE CONTROL
MODULE (DME)
X6000419
WITH EGS WITHOUT EGS
3 X6021
.75 BL/GE



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
P95 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . . below LH side of dash

P97 . .
AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19-1

P98 . . FUSE HOLDER IN E–BOX . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-3
P99 . . FUSE HOLDER . . . . . . . . . . . . . . . . . . . . . . . . in RH side of luggage compartment
R11 . . . BLOWER RESISTORS . . . . . . . . . . . . . . . . . rear of engine compartment behind firewall

R31 . .
AUXILIARY THROTTLE POSITION
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33-3


R6252 THROTTLE POSITION SENSOR . . . . . . . . front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3

R6385
THROTTLE POSITION SENSOR/CRUISE
CONTROL ACTUATOR . . . . . . . . . . . . . . .
top LH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39-2



R8554
RESISTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head



S2 . . . . IGNITION SWITCH . . . . . . . . . . . . . . . . . . . . . LH side of dash


S3 . . . .

AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22-1


S4 . . . . HORN SWITCH . . . . . . . . . . . . . . . . . . . . . . . . on steering wheel
S5 . . . . WIPER/WASHER SWITCH . . . . . . . . . . . . . . LH side of dash RH side of steering column above
S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . center console

S7 . . . .
COMBINATION SWITCH . . . . . . . . . . . . . . . .
LH side of dash LH side of steering column above



S8 . . . . LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . LH side of dash
S10 . . FOG LIGHT SWITCH . . . . . . . . . . . . . . . . . . . LH side of dash
S13 . . PASSENGER’S DOOR JAMB SWITCH . . . RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . . . . LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-1

S17 . .

MIRROR CONTROL SWITCH . . . . . . . . . . .

in upper LH front door