Page 190 of 347
.5 BR/VI
5
.75 BR/VI
X107
X107
HIGH
WIPER/WASHER MODULE (WWM) !""
#""$
A51
WIPER/WASHER
MODULE
FUSE DETAILS
0670.3
S5
WIPER/WASHER
SWITCH
0) OFF
1) SINGLE WIPE
2) INTERMITTENT
3) NORMAL
4) FAST
5) WASH
6) INTENSIVE
WASH 11
1X295
10
7X295
1
2M4
WASHER PUMP
.75 SW/GN
P90
FRONT POWER
DISTRIBUTION BOX
.75 BR/VI
X285
.75 BR
.75 BR
X9633
GROUND
DISTRIBUTION
0670.4 F44
15A
9
2 .5 SW/BR
.75 SW/BL13
4 .5 SW/BL
.75 SW/BR
3
.75 SW/GR
28X10018
.5 SW/GR
8X285
12
NOT USED
.75 BR7
.75 VI/SW.5 VI/SW
06
2
0
1 3
42
0
1 3
405
Page 191 of 347
2.5 SW/WS/GE 2.5 SW/RT/GE .5 BR/GN/GE.5 BR/VI .5 SW/BR .5 SW/BL .5 SW/GR
.75 BR/VI .75 SW/BR .75 SW/BL .75 SW/GR
LOW
WIPER/WASHER MODULE (WWM) !""
#""$
A64
WIPER/WASHER
MODULE (LOW II)
.75 VI/SWX1071
X107
2M4
WASHER PUMP
P90
FRONT POWER
DISTRIBUTION BOX
.75 BR/VI
5
31 2 X188
INSTRUMENT
CLUSTER
6211.0
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT .5 SW/WS .5 SW/WS
2 X17
FUSE DETAILS
0670.3
8
X285
GROUND
DISTRIBUTION
0670.4
.5 VI/SW
5
S5
WIPER/WASHER
SWITCH
0) OFF
1) SINGLE WIPE
2) INTERMITTENT
3) NORMAL
4) FAST
5) WASH 11
X295
1X295
9
213
4
3
122
33
21
4
GROUND
DISTRIBUTION
0670.4
1 X333
M3
WIPER MOTOR
1) WIPER IN PARK
2) WIPER NOT IN
PARK
7
31
15
31
X1001828
FUSE DETAILS
0670.3 12
10 X2856
TACH
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4X333
.75 BR
F3630AF4415A
31
15
+##+#& +"(&&+"(&&
2 12
0
1 3
42
0
1 3
450
Page 192 of 347
6167.1 HEADLIGHT WASHER (SRA) !""
#""$
P90
FRONT POWER
DISTRIBUTION BOX
7 X28515
A51
WIPER/WASHER
MODULE
X1232
X123
1M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
X165
14
2.5 SW/BR
GROUND
DISTRIBUTION
0670.4 FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
X9633
X100156F3
30A
6FUSE DETAILS
0670.3
12F3
6
30A
X2858FUSE DETAILS
0670.3
X1001828F44
15A
Page 193 of 347
!""
#""$
6169.0 WINDSHIELD WASHER JET HEATERS
P90
FRONT POWER
DISTRIBUTION BOX
X100178
X1149
X1052X1062
X1051X1061
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
.75 GN/GE
.75 BR.75 BR .75 GN/GE
X11481
X11482
S198
JET HEATER
THERMOSWITCH
.75 GN/GE
E51
LEFT WASHER JET
HEATERE52
RIGHT WASHER
JET HEATER X10088
1
.75 GN/GE
+#('
F2410A
Page 195 of 347

#""$
Pin Assignments
!""
E = Input, A = Output, M = Ground
X16
Pin Type Description/Function Connection
1
EHigh beam indicator controlCombination switch
2ETerminal 58g, instrument illumination powerLight switch (dimmer)
3ERight turn signal indicator controlHazard flasher relay
4ELeft turn signal indicator controlHazard flasher relay
5EWarning lamp for EGS fault (information
signal transmission oil temperature)Transmission control module (EGS)
6Not used
7Not used
8Not used
9Not used
10Not used
11ADiagnosis RxD signalData link connector (M Roadster)
12E/ADiagnosis TxD signalData link connector
13Not used
14EAirbag warning lamp (SRS) controlSupplemental restraint system control
module
15Not used
16E“Check engine” indicator controlEngine control module (DME)
17EPark brake warning lamp controlPark brake switch
18EBrake fluid warning lamp controlBrake fluid level switch
19EBrake pad wear warning lamp controlBrake pad sensors
20ECrankshaft RPM speed signal TDEngine control module (DME)
21Not used
22EVoltage supply, terminal 30Front power distribution box, fuse 31
23EVoltage supply, terminal 15 for indicator and
warning lampsFront power distribution box, fuse 27
24MGround supply, terminal 31 for instrument
cluster electronicsGround point
25Not used
26Not used
Page 196 of 347

#""$
Pin Assignments
!""
E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10not used
11ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC) (Z3 Road-
ster 6-cylinder and M Roadster with ABS)
12EASC signalASC control module
13ATI-measurement signal (fuel consumption)Engine control module (DME)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor
18ECoolant temperature sensor (+)Coolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21MGround (ASC)Ground point (Z3 Roadster 6-cylinder and
M Roadster with ABS)
21EABS warning lamp (ABS)Slip control module (ABS/ASC)
(4-cylinder and M Roadster with ASC)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
Page 198 of 347

1X1715
A18
HIFI AMPLIFIER
!""
#""$
INSTRUMENT CLUSTER
INDICATORS
5
X4231
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT
SET
17
.5 BR/GN
X1111
B18
BRAKE FLUID
LEVEL SWITCH
1) LOW LEVEL
2) NORMAL LEVELP90
FRONT POWER
DISTRIBUTION BOX
X203
7 2.5 GN
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT
10) AIR BAG 23
X172
6X1718
.35 BR/VI
X1614
.5 BR/VI
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
31
POWER
DISTRIBUTION
0670.2
7CHARGING
SYSTEM
1230.0
2.5 GN
1.5 GN
X1112
GROUND
DISTRIBUTION
0670.4
14X10017
X16
X74
1
X209
FUSE DETAILS
0670.3X33
X1100
.5 GN
F275A
2
10 3
+"(&&
2 1
2 1
N9
RADIO
10 X18126
A35y
BOARD
COMPUTER
(BC – LOW)
9X10245
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
16 X22
RA64
WIPER/WASHER
MODULE (LOW II)
A51
WIPER/WASHER
MODULE
5 X285
R
TACHTACH
3X322
.5 SW/WS .5 SW/WS .35 SW/WS
.5 SW/WS .5 SW/WS
.5 BL
.5 SW/WS
TACH
10 2
X188
OUTPUT–SIGNAL
SPEEDOMETER
HIFI, HARMAN
KARDON SOUND
SYSTEM Z3 ROADSTER
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X117576
X1682
.5 BR/GN .5 BR/GN
M ROADSTER WITH ASC
PARK
BRAKEBRAKE
FLUID
Page 199 of 347
INDICATORS
!""
#""$
INSTRUMENT CLUSTER
3
GROUND
DISTRIBUTION
0670.4A2w
INSTRUMENT
CLUSTER
HEADLIGHTS/FOG
LIGHTS
6312.0TURN/HAZARD
LIGHTS
6313.0LIGHT SWITCH
DETAILS
6300.0
.75 GE/BR
X17
.35 WS
1
.5 BL/GN
4
.5 BL/BR
X163
.5 WS/RT
X171
.5 GR/RT
X162
519 X16
.5 GR/BR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)2 X713
25 X8500
25
2X118
1X118
1 X713
.5 GE
B16
LEFT FRONT
BRAKE PAD
SENSOR
.5 GE
B17
RIGHT REAR
BRAKE PAD
SENSOR
.5 GR/BR31
S58
DRIVER’S SEAT
BELT SWITCH
1) BELT
UNBUCKLED
2) BELT BUCKLED 2 X778
14 X17
1 X778
14 X10017
23
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
X69
GROUND
DISTRIBUTION
0670.4
.5 BL/VI/GE
F275A
+"(&&+##+#&(
!
21 8