1998 BMW Z3M ROADSTER automatic transmission



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Pin Assignments (4-Cylinder)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
295
Not used
296ATorque converter clutch solenoid valve
control (–)Transmission valve unit
297ASolenoid valve 2 control (–)Transmission valve unit
298MGroundGround point
299Not used
300EGear range signal L1Automatic transmission range switch
301EGear range signal L3Automatic transmission range switch
302Not used
303Not used
304ERPM speed signal TDEngine control module
305Not used
306EOutput speed (+)Transmission valve unit
307Not used
308Not used
309AA-program indicationProgram switch
310EA/C compressor-ON-signalEngine control module
311Not used
312EBrake switch test signalBrake light switch
313Not used
314Not used
315Not used
316AVoltage supplyShift-lock/Transmission valve unit
317EVoltage pressure regulatorTransmission valve unit
318EVoltage supply, terminal 87Engine control module relay
319EVoltage supply, terminal 87Engine control module relay
320Not used
321Not used
322Not used
323Not used
324Not used
325Not used

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)





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A8500
TRANSMISSION
CONTROL MODULE
(EGS)
20 13
.5 GE/BL
3 13
.5 GE/BRX8565
1
24 X69
5 X8503
.5 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
.5 GE/WS.5 GE/WS .5 GE/BLM
M .5 GE/BR .5 GE/WS
26 X8500
POWER
DISTRIBUTION
0670.2
X6411
6 RT
1RT
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17
F2610A
31
&#
15
&#
15
0
2 1
+#$#)
X8500
6–CYLINDER

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)





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A8500
TRANSMISSION
CONTROL MODULE
(EGS)
20 13X8500
12
.5 GE/BL
3 13
.5 GE/BL
NOT USED .5 GE/BLX8565
1
24 22 X69
5 X8503
.5 GE/WS .5 GE/GN
A
X85032S8503
PROGRAM SWITCH
0) OFF
1) AUTOMATIC
2) MANUAL
GROUND
DISTRIBUTION
0670.4
X1001712P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
23
452717
X8564X8576
ES
.5 GE/WS .5 GE/GN.5 GE/WS .5 GE/GN .5 GE/BLM
M
.5 GE/BR .5 GE/WS
26 X8500
POWER
DISTRIBUTION
0670.2
X6410
6 RT
1RT
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
F2610A
31
&#
15
&#
15
&#
15
NOT USED
0
2 1
+#$#)
4–CYLINDER

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)

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#""$


P90
FRONT POWER
DISTRIBUTION BOX
L4 L3 L2 L1
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 9 37 8 36 X8500
86 74
.5 BR/WS.5 BL/WS.5 BR/SW .5 BL/SW
X5113S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2) CLOSED IN
REVERSE
2 X5115
L4 L3 L2 L1
R
E16
LEFT REAR LIGHT
ASSEMBLY
5 X319
21
20 19 X6918
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)25 X22
9 X1659A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II).5 BR/SW
.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 L2
.5 BR/SW






F285AF2610A
1 00101012 0
31313131
X191
2 X18994
.35 BR/SW
NOT USED






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2X10017
X5115 16
X511
7
.5 BR/SW
9P90
FRONT POWER
DISTRIBUTION BOX
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2 5S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START3
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) X1659
13
X2094
8 X33
2.5 SW/GE L2
X16591
2.5 SW/GE
.35 WS/VI
30 L2 TXD
A835
TRANSMITTER
MODULE (EWS II)
X10260
11X9026033
X10018
X102602 30
X331
4 RT
POWER
DISTRIBUTION
0670.2
S/E5030
X2
2.5 GN/SW.5 BL
6135.0 DRIVE–AWAY PROTECTION (EWS II)
X2095 31R
S/E
FUSE DETAILS
0670.3
DATA LINK
0670.5GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2 FUSE DETAILS
0670.3
F315AF285AF457.5A
+##
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
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 310R)
2460.2X191
.5 BR/SW

6–CYLINDER






6
6322.0 BACK UP LIGHTS !""



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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
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 WITHOUT EGS
GROUND
DISTRIBUTION
0670.4
1 BL/GEX1169
1 BL/GEX8074

X191






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6571.0 CRUISE CONTROL (TEMPOMAT)
FUSE DETAILS
0670.3 X10017
16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX F28
5A
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
.5 BR/SW
F4615A
X10018
32
.5 VI/GE
L1L2L3L4
X5117
#% & 
# ##
# 
# ##
 *##
# &##
# %#
 ##
25S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
3126
31
.5 BR/SW
1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/
SET
4) ACCELERATE/
SET
20
31
3
22
312
21
314 X72
24
X22
31
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/WS .5 BL/GN .5 BL/GR.5 VI/GE
.5 BL/SW FUSE DETAILS
0670.3
468
5
01
4 3
0
010101
211 1
0
EGS A4S 270R






COMPONENT LOCATION CHART






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COMP.8500.0 7100.0LOCATION DESCRIPTION


R31 . .

AUXILIARY THROTTLE POSITION
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .

front of engine (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33-3



R31 . .

AUXILIARY THROTTLE POSITION
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .

front of engine (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-3

R6252 THROTTLE POSITION SENSOR . . . . . . . . front of engine (4–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3
R6252 THROTTLE POSITION SENSOR . . . . . . . . front of engine (6–cylinder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3

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



S18 . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . center console bottom
S20w . RADIO ANTI–THEFT SWITCH . . . . . . . . . . center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-1
S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . . . . LH side of dash RH side of steering column above

S30 . .

BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . .

LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1