heating BMW Z3M ROADSTER 1999 E36 Electrical Troubleshooting Manual












INTEGRATED HEATING– AND CLIMATE CONTROL


01
6450.6-04
X7711
1 GN/BR
1 SW/VI
X18350
1.5 GN/BR
S221
EVAPORATOR
CONTROLLER
B14
EVAPORATOR
TEMPERATURE
SENSORM111
FRESH AIR
RECIRCULATION
MOTOR S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
0) OFF
1) AIR CONDITION-
ING
2) AIR RECIRCULAT-
ING
X9633
X7712
X1835061 SW/WS
47 X18349
X183491.5 GE.5 GN
.5 GN/BR
X151713 285
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
6
GROUND
DISTRIBUTION
0670.4
X15172
X9633
GROUND
DISTRIBUTION
0670.4 6450.6-04 (PARTIAL)
6450.6-07
1 SW/VIX189
2
01
1.5 GE
3
1
GROUND
DISTRIBUTION
0670.4
6450.6-04
X68309(PARTIAL)
.5 GN/BR
1 X11287
X112874
A605
FUSE HOLDER
2 X5115
X5115
.5 BL1
0
1
X85GROUND
DISTRIBUTION
0670.4
X100542
1 X85
Y4z
WATER VALVE
3 1 BL
0
20
F9532AS531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
.5 BL
M VERSIONS



COMPRESSOR CONTROL AND WATER SUPPLY
INTEGRATED HEATING– AND CLIMATE CONTROL











F165A
30
87
F397.5A
18 X10018
FUSE DETAILS
0670.3
.75 SW
2
1
2
.5 SW/BL
5 X51
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY FUSE DETAILS
0670.3
6
4 X51
12 X10016
X10241
86
85
15

4 X20
74 X6000
A6000
ENGINE CONTROL
MODULE (DME) .5 SW/BL
1
P90
FRONT POWER
DISTRIBUTION BOX

M VERSIONS



AUXILIARY FAN











INTEGRATED HEATING– AND CLIMATE CONTROL
.5 SW/GN
X19022
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE30
30
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X872 .5 SW/GR
2.5 SW/
BL
X190222 3
1M9
AUXILIARY FAN
MOTOR
4 X5366 X524
X127286
87 85
8786
85
X127
3
X165
X1001612
8
2X528
X15882
FUSE DETAILS
0670.3
X10027
GROUND
DISTRIBUTION
0670.4
.5 SW/GR
16
5
A6000
ENGINE CONTROL
MODULE (DME)
.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
1 VI1
4 X10054
X183505 .5 SW/GE
GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
.5 SW/GR 4 BL
4
2
X165
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
X1001612
FUSE DETAILS
0670.3
X166
15
2 1
X873
F165A
12 F48
40AF165A
P97
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3
0.5P90
FRONT POWER
DISTRIBUTION BOX
X6000
5
X205
X100546
X354
85b4 RT/GN
X53
4 RT/GN
.5 SW/GE
X699
2.5 BRNOT USED
X6949
.5 SW/GN .5 SW/GN
6450.6-05 1.5 GE
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPEN 85b
.5 SW/RT
3 X20NOT USED
12
34
4 3
M VERSIONS