Page 248 of 367
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
2AA/C-ON-signalEvaporator controller
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
3EA/C-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor
Page 249 of 367
Pin Assignments (M Versions)
E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
MGroundGround point
2AA/C-ON-signalEvaporator controller
3AA/C-ON-signalNormal speed relay
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
3EA/C-ON-signalAir conditioning/recirculating switch
assembly
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor
Page 258 of 367
1
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
X10266
X10464
.5 SW/WS
.5 SW/WS
COUPE
Page 262 of 367
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 265 of 367
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 HARMAN KARDON SOUND SYSTEM
X10464.5 SW/WS
.35 WS
6510.1-09
20.35 SW/WS
Page 271 of 367
X60003
20
19
A6000
ENGINE CONTROL
MODULE (DME)
CRUISE CONTROL (TEMPOMAT)
.5 BR/GR .5 BR/VI
A6000
ENGINE CONTROL
MODULE (DME)
10
.5 BR/WS
7
.5 BR/BL
X63901426
53
.75 BR/SW .75 GR/WS44 43
Y6390
ELECTRIC
THROTTLE
ACTUATOR
X60003
23
28 X60004
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F135A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
1.5 BL/RT
X181
BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT X60004
FUSE DETAILS
0670.3
F435A
26
1
S32
CLUTCH SWITCH
GROUND
DISTRIBUTION
0670.4
X10010
X11143
3
.35 BL/BR
2 X11143
X6390
Z3 VERSIONS
Page 272 of 367
M VERSIONS
X5393
X60003
2
A6000
ENGINE CONTROL
MODULE (DME)
CRUISE CONTROL (TEMPOMAT)
.5 WS
20
.5 BR
X6000323
31
21
2.5 RT.5 RT/GE
2.5 WS2 914
R6252
THROTTLE
POSITION SENSOR X6252
34 X60004
X783
24
2
.75 RT/GE
14X78
FUSE DETAILS
0670.3P90
FRONT POWER
DISTRIBUTION BOXFUSE DETAILS
0670.3
.75 BL/RT
X181
BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
.5 BL/RT
F4615AF135A
1 2
4 3
A6000
ENGINE CONTROL
MODULE (DME)
FUSE DETAILS
0670.3
28
F4415A
1
S32
CLUTCH SWITCH
GROUND
DISTRIBUTION
0670.4
X10010
X121
3
X60001
X5392
X60003
X6475
.5 BR
1
.5 VI
10
32
7
.5 BR
Y5392
ELECTRIC
THROTTLE MOTOR
X5286
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54
B32)
1210.27.5 RT/GN6 7 X6053
X5393
2.5 RT 2.5 WS .5 RT/GN
20 X60002
2
X5285X5284
2.5 RT 2.5 WS
X6252
X10018
8 X6021
.5 SW/BL
.35 GR .5 RT/GN
X121
Page 275 of 367
3 X747
2
ANTI–THEFT SYSTEM (DWA)
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1X747
7X13253
X74
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.35 BR/SW
34
S47
DRIVER’S DOOR
LOCK SWITCH
0) OFF
3) CENTRAL
ARREST
.35 WS/RT
0 3
X711
1
14
2
GROUND
DISTRIBUTION
0670.4
X13006
X711
S826
LUGGAGE COMPARTMENT
LIGHT SWITCH
1) REAR LID CLOSED
2) REAR LID OPEN
1 2X13254
X651
.5 BR/SW/GE
1
N17
CRASH CONTROL
MODULE
.5 WS/RT
.75 BR/WS
.5 BR/WS 10X257
2
.5 BL/GN/GE
10
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F75A
14X10015
X7422
1X742
13
S49
PASSENGER’S
DOOR LOCK
SWITCH
0) OFF
3) CENTRAL
ARREST
.35 WS/RT
0 3
.5 WS/RT
10
X256
.35 WS/RT
LICENSE PLATE/
LUGGAGE
COMPARTMENT
LIGHTS
6320.0
COUPE X10182