Page 246 of 382
Pin Assignments (Z3 Versions)
E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
ETerminal 15Heating blower relay
2AActivate compressor clutchInstrument cluster
3ABlower level 1 (air conditioning)Blower resistor
4ETerminal 15Heating blower relay
5ABlower level 1 (air-recirculation)Blower resistor
6MGround for function lightsGround point
7ETerminal 15Heating blower relay
8AActivate fresh air-recirculationFresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1
Not used
2MGroundGround point
3EClimate-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor
Page 249 of 382
INTEGRATED HEATING– AND CLIMATE CONTROL
X11287
X11287
F9532A
6450.6-00
X7711
GROUND
DISTRIBUTION
0670.4
6450.6-00
.5 GN/BR1.5 GN/BR1.5 GN/BR
1.5 GE1 SW/VI
X18350
X683091 GN/BR
S531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
A605
FUSE HOLDER
Y4z
WATER VALVES221
EVAPORATOR
CONTROLLER
B14
EVAPORATOR
TEMPERATURE
SENSORM111
FRESH AIR
RECIRCULATION
MOTOR S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
0) OFF
1) AIR CONDI-
TIONING
2) AIR RECIRCU-
LATING
.5 BL4
X5115
2 1
X851
X853
.5 BL
X10054
2
.5 BL
X13004
X7712
X183506
.75 SW/WS
147 X18349
X18349
1.5 GE.5 GN
.5 GN/BR
X151713 3285
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
6
GROUND
DISTRIBUTION
0670.4
X15172
X13004
GROUND
DISTRIBUTION
0670.4 6450.6-00 X5115
1(PARTIAL)
1 SW/VIX1891 SW/VI
0101020201
X9633
X10054
A2w
INSTRUMENT
CLUSTER
5
X271
6
.5 VI/GR
Z3 VERSIONS
Page 251 of 382

INTEGRATED HEATING– AND CLIMATE CONTROL
AUXILIARY FAN
.5 SW/GN
X82
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE
30
30K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X872 .5 SW/GR
2.5 SW/BL
X822 3
1
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPEN M9
AUXILIARY FAN
MOTOR
8X5366 X524
X127286
87a 858786
85
X127
3
X165
X1001612
42X528
X1001820
FUSE DETAILS
0670.3
2.5 GN/RT
X10027
GROUND
DISTRIBUTION
0670.4
X53
.5 SW/GR
7 X271
A2w
INSTRUMENT
CLUSTER
.5 SW/GR
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
S221
EVAPORATOR
CONTROLLER
.5 VI
.5 SW/GE1
4 X10054
X183505GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
87
.5 SW/GR2.5 BL
4
X1022
.5 SW/GR25
X165
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
X1001612
FUSE DETAILS
0670.3
X166
15
X873
F165A
34
12F40
30AF165A
.5 SW/GR
6450.6-03
.5 SW/GR
5
6450.6-03
12
34
2 1
FUSE DETAILS
0670.3
Z3 VERSIONS
Page 256 of 382
31
6510.1 RADIO/HIFI
P90
FRONT POWER
DISTRIBUTION BOX F44
15A
A2w
INSTRUMENT CLUSTER
2) VEHICLE SPEED
OUTPUT 2 X17
X188
35LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.028 X10018
.5 GR/RT58g
.5 SW/WS
X322
.5 SW/WS
.5 SW/WS
N9
RADIO 913 .5 GR/RT
16 15
X13016
2
161
.75 GE/RT1523
326 X18126X606
FUSE DETAILS
0670.3
N9
RADIOA18
HIFI AMPLIFIER
.75 BR/SW .75 BL/SW .75 BL/VI
VL+ VR+ HL+ HR+
.5 WSANT
F920A
18 X10015
1 X605
8 17
.75 GE/BR
VL–124
.75 GE/BR
HL–11 14
.75 BL/BR
VR –141
.75 BL/GR
HR–
X606
X18126
FUSE DETAILS
0670.3
1
X322
.5 WS/BR
4 .5 WS/BR
X181265
GAL 31 30 R 58g MUTE
VL+ VR+ HL+ HR+
VL–VR– HL–HR–
F920A
18 X10015
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
6 X400
TELEPHONE
CONNECTOR
7
3 X181802
1 X18180
N22
CD CHANGER2
GAL
1 X424N8
ANTENNA
AMPLIFIER AM/FM
.5 WS
I–BUSI–BUS
.35 WS/GR/GE
10
X830
X605
.5 WS
HARMAN KARDON
SOUND SYSTEM
1 X10266
X10464
.5 SW/WS
.5 SW/WS
ROADSTER WITH HARMAN KARDON SOUND SYSTEM EARLY PRODUCTION, AND COUPE
Page 260 of 382
31
RADIO/HIFI
P90
FRONT POWER
DISTRIBUTION BOX F44
15A
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2 X17
X188
35LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.028 X10018
.5 GR/RT58g
.5 SW/WS
X322
.5 SW/WS
.5 SW/WS
N9
RADIO 913 .5 GR/RT
16 15
X13016
2
381
.75 GE/RT9 237386 X18126
FUSE DETAILS
0670.3
N9
RADIOA18
HIFI AMPLIFIER
.75 BR/SW .75 BL/SW .75 BL/VI
VL+ VR+ HL+ HR+
.5 WSANT
F920A
18 X10015
5 X1717
8 30
.75 GE/BR
VL–12 29
.75 GE/BR
HL–11 17
.75 BL/BR
VR –14 16
.75 BL/GR
HR–
X1717
X18126
FUSE DETAILS
0670.3
1
X322
.5 WS/BR
4 .5 WS/BR
X181265
GAL 31 30 R 58g MUTE
VL+ VR+ HL+ HR+
VL–VR– HL–HR–
F920A
18 X10015
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
6 X400
TELEPHONE
CONNECTOR
7
3 X181802
1 X18180
N22
CD CHANGER
101 X424N8
ANTENNA
AMPLIFIER AM/FM
.5 WS
I–BUSI–BUS
.35 WS/GR/GE
10
X830
.5 WS
ROADSTER WITH HIFI
Page 263 of 382
31
RADIO/HIFI
P90
FRONT POWER
DISTRIBUTION BOX F44
15A
A2w
INSTRUMENT CLUSTER
2) VEHICLE SPEED
OUTPUT 2 X17
X188
35LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.028 X10018
.35 GR/RT58g
.35 SW/WS
X322
.5 SW/WS
.5 SW/WS
N9
RADIO 913 .5 GR/RT
16 15
X13016
2
381
.75 GE/RT9 237386 X18126
FUSE DETAILS
0670.3
N9
RADIOA18
HIFI AMPLIFIER
.75 BR/SW .75 BL/SW .75 BL/VI
VL+ VR+ HL+ HR+
.5 WSANT
F920A
18 X10015
5 X1717
8 30
.75 GE/BR
VL–12 29
.75 GE/BR
HL–11 17
.75 BL/BR
VR –14 16
.75 BL/GR
HR–
X1717
X18126
FUSE DETAILS
0670.3
1
X322
.35 WS/BR
4 .5 WS/BR
X181265
GAL 31 30 R 58g MUTE
VL+ VR+ HL+ HR+
VL–VR– HL–HR–
F920A
18 X10015
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
FUSE DETAILS
0670.3
6 X400
TELEPHONE
CONNECTOR
7
3 X181802
1 X18180
N22
CD CHANGER
101 X424N8
ANTENNA
AMPLIFIER AM/FM
.5 WS
I–BUSI–BUS
.35 WS/GR/GE
10
X830
.5 WS
ROADSTER WITH HARMAN KARDON SOUND SYSTEM LATE PRODUCTION
X10464.35 SW/WS
.35 WS
6510.1-09
20.35 SW/WS
Page 269 of 382
CRUISE CONTROL (TEMPOMAT)
16
2X17
INSTRUMENT
CLUSTER
6211.0
.5 SW/WS
R
TACH315V (15)
17 11
14
X188
.5 SW/WS
31
2A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT
.5 SW/BL
7
31
5
4 .5 GE/WS
1
6
2 X70
X703.5 SW/GN.5 GE/VI
21M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT) A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
18 X22
.75 BL/BR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .5 BL/BRGROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX F46
15A
32
X7821 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED X10018
FUSE DETAILS
0670.3
X10010
X22
1.5 BL/RT
.5 SW/BR
19
GROUND
DISTRIBUTION
0670.4
X9633
X197
.75 BL/BR
X181
BRAKE
LIGHTS
6325.0
1 2
M VERSIONS
X12121 X121
S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED
12 .75 BL/RT
Page 273 of 382
X9633
3
ANTI–THEFT SYSTEM (ALPINE)
P90
FRONT POWER
DISTRIBUTION BOX
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) FUSE DETAILS
0670.3
F435A
2
311
1 X711
X465
.5 BR/WS
X10010
GROUND
DISTRIBUTION
0670.4
.5 BR/WS
.75 BR/WS
1 2LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0
26
H1w
ANTI–THEFT HORN
(ALPINE) 2 X372
1 X372
X9633
GROUND
DISTRIBUTION
0670.4
1 SW/BL
1 2X443
S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED 2 X352
.75 BR/GR/GE
GROUND
DISTRIBUTION
0670.4 1 X352
1 2S13
PASSENGER’S
DOOR JAMB
SWITCH
1) DOOR OPEN
2) DOOR CLOSED 2 X351
.75 BR/BL/GE
1 X351
X13004
X445
GROUND
DISTRIBUTION
0670.4
7 X13025
A2w
INSTRUMENT
CLUSTER
23 X17
.5 BR/GR/GE
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
2 X132543
45
.75 BR/GR/GE .75 BR/BL/GE .5 BR/GR/GEFUSE DETAILS
0670.3
F315A
1 X13025
2 X10018
.5 BR/BL/GE
S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH
1) REAR LID
CLOSED
2) REAR LID
OPEN
2 X711
X13006
GROUND
DISTRIBUTION
0670.4
COUPE
X13006
M VERSIONS