Page 242 of 367
X10017
HEADLIGHTS/FOG
LIGHTS
6312.0
X5034P90
FRONT POWER
DISTRIBUTION BOX F25
5A
K16
HAZARD FLASHER
RELAY
X50310
.5 GEFUSE DETAILS
0670.3
X9633
GROUND
DISTRIBUTION
0670.4
6350.0-01
TURN/HAZARD
LIGHTS
6313.0FUSE DETAILS
0670.3F34
15A
.5 WS/BL/GE
6 X64
4 8 9 X64
S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS ON
2) HEADLIGHTS ON
1 BL/GN
.5 BL/GNX184
.5 GE
8 X1001810
X1029
6350.0 CRASH CONTROL MODULE
1.5 RT/WS/GE 1.5 RT/WS/GE
0 2
1
CANADA USAFUSE DETAILS
0670.3
Page 244 of 367
CRASH CONTROL MODULE
6350.0-01
K48
LOW BEAM LIGHT
RELAY
.5 GE/BL
8 X45
6
X454
GROUND
DISTRIBUTION
0670.4 56b
F12
7.5A F117.5A
E13
LEFT LOW BEAM
LIGHT
X165
3086
85
.5 BR/BL
LIGHT SWITCH
DETAILS
6300.0
S18
HAZARD SWITCH
1) OFF
2) ON X516
2
X5163
X18170
.5 GR/RT
GROUND
DISTRIBUTION
0670.4 4 56350.0-01
TURN/HAZARD
LIGHTS
6313.0
.5 BL/GN
2.5 GE
56b
2
1 X10035
2
1
X130
X130
87
POWER
DISTRIBUTION
0670.2
P90
FRONT POWER
DISTRIBUTION BOX
2
1 X135X135
E14
RIGHT LOW BEAM
LIGHT E7
LEFT HEADLIGHTE8
RIGHT HEADLIGHT
4 X100162
1 GE/BL 1 GE/GN
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X9633X166
1 21 2
POWER
DISTRIBUTION
0670.2
Page 245 of 367
6424.0 REAR WINDOW DEFOGGER
.5 GR/RT
23
X8981
X898
S76
REAR WINDOW DE-
FOGGER SWITCH
1) OFF
2) ON
F235A
X10017
6
FUSE DETAILS
0670.3LIGHT SWITCH
DETAILS
6300.0
GROUND
DISTRIBUTION
0670.4
X18170
1 2
4
P90
FRONT POWER
DISTRIBUTION BOXF620A
X10015
12
FUSE DETAILS
0670.3
X6324
86X63
K9
UNLOADER RELAY,
TERMINAL 1586
8530
87
.5 BR/WS 2.5 SW
X3801
E99
HARD TOP
CONNECTOR 1
1
2.5 SW
GROUND
DISTRIBUTION
0670.4
X13006
1 X12661 X1265
2 X130171
E9
REAR DEFOGGER I
2.5 SW 2.5 SW
X379
1 X11209
2.5 SW
GROUND
DISTRIBUTION
0670.4
X13006
1 X379E9
REAR DEFOGGER I
1 X380
ROADSTER COUPE
2.5 SW
Page 246 of 367

\b
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY
6450.6-02
F397.5A
F165A
Y2
AIR CONDITIONING
COMPRESSOR
6450.6-02
A6000
ENGINE CONTROL
MODULE (DME)
6450.6-02
K4
BLOWER RELAY
6450.6-00
F20
30A
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
41
R11
BLOWER
RESISTORS
6450.6-00
S75
BLOWER SWITCH
6450.6-00
M30
BLOWER MOTOR
6450.6-00
3258
3
A2w
INSTRUMENT
CLUSTER
6450.6-01B14
EVAPORATOR
TEMPERATURE
SENSOR
6450.6-01
6
X18349
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR
6450.6-01
S531
TEMPERATURE
WHEEL SWITCH
6450.6-01
A605
FUSE HOLDER
F953
2A
6450.6-02 6450.6-00
6450.6-01
6
Y4z
WATER VALVE
6450.6-01
P90
FRONT POWER
DISTRIBUTION BOX
K22
HIGH SPEED
RELAY
B9
INTERMEDIATE
PRESSURE
SWITCH S36
TEMPERATURE
SWITCHM9
AUXILIARY FAN
MOTORK21
NORMAL SPEED
RELAY
6450.6-03 6450.6-03
6450.6-03 6450.6-03
6450.6-03
6450.6-03
B8y
PRESSURE
SWITCH
A2w
INSTRUMENT
CLUSTER
6450.6-03
B9508
PRESSURE
SWITCH
F165AF4030A
S221
EVAPORATOR
CONTROLLER
5 X18350
F2410A
AUXILIARY FAN
2 X18350
Z3 VERSIONS
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL
Page 247 of 367

M VERSIONS
P97
AUXILIARY FUSE
BOX
K21
NORMAL SPEED
RELAY
S36
TEMPERATURE
SWITCHK22
HIGH SPEED
RELAY
6450.6-07
6450.6-076450.6-07
F165AF4840A
A6000
ENGINE
CONTROL
MODULE (DME) 6450.6-07
P90
FRONT POWER
DISTRIBUTION
BOXP90
FRONT POWER
DISTRIBUTION BOX F16
5A
M9
AUXILIARY FAN
MOTOR 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-06
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-06
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-06
K4
BLOWER RELAY 6450.6-04 F20
30A
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
43
R11
BLOWER
RESISTORS 6450.6-04
S75
BLOWER
SWITCH 6450.6-04
M30
BLOWER MOTOR 6450.6-04
1258
S221
EVAPORATOR
CONTROLLER
3
A2w
INSTRUMENT
CLUSTER 6450.6-04
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-05
26
X18349
X18350
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-05
S531
TEMPERATURE
WHEEL SWITCH 6450.6-06
A605
FUSE HOLDER
F953
2A
S2
IGNITION SWITCH 6450.6-046450.6-06 6450.6-04
6450.6-06
K33a
AIR CONDITIONING
RELAY, MOTRONIC 6450.6-04
6
Y4z
WATER VALVE 6450.6-05
B9
INTERMEDIATE
PRESSURE
SWITCHB8y
PRESSURE
SWITCH
5 X18350
B9508
PRESSURE
SWITCH 6450.6-07 6450.6-07
NOT USED6450.6-07
6450.6-07
AUXILIARY FAN
K104
AIR CONDITIONING
RELAY/AUXILIARY
WATER PUMP 6450.6-06
F5430AP90
FRONT POWER
DISTRIBUTION
BOX
M37a
AUXILIARY WATER
PUMP 6450.6-06
A2w
INSTRUMENT
CLUSTER 6450.6-07
INTEGRATED HEATING– AND CLIMATE CONTROL
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 250 of 367
POWER, AIR FLOW CONTROL
INTEGRATED HEATING– AND CLIMATE CONTROL
X1001620
8P90
FRONT POWER
DISTRIBUTION BOX F20
30A
X1429
X582 4
3 2 1 7 X905
X1328716 X58
2 X13233
3 2 1 4 X904
X100547
4 X905
86
8530
87FUSE DETAILS
0670.3
K4
BLOWER RELAY
2.5 GN/BR
2.5 GN/BR
2.5 BL
2.5 BL
2.5 BL 2.5 GN 1.5 SW1.5 GE
M30
BLOWER MOTOR
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4R11
BLOWER
RESISTORS
1) OPENS IF
RESISTORS
OVERHEAT 1
S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
X1435
1.5 GE
6450.6-01 X683092.5 GN/BR
6450.6-01(PARTIAL)
X13004
1.5 GE 1.5 GE
210
3 4
X9633
X100178F24
10A
FUSE DETAILS
0670.3
Z3 VERSIONS