climate control BMW M3 1999 E36 Electrical Troubleshooting Manual


COMPRESSOR CONTROLS
INTEGRATED CLIMATE REGULATION (IHKA E36)








15
31

30
87
P90
FRONT POWER
DISTRIBUTION BOX
18 X10018
FUSE DETAILS
0670.3
.75 SW/RT/GE
2
1
.5 SW/BL
5 X51
4
.5 SW/BL
.5 SW/BL
X8056
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY
10 X1527
6
A6000
ENGINE CONTROL
MODULE (DME)
8 X10054

15A115
AUTOMATIC
CLIMATE CONTROL
MODULE
FUSE DETAILS
0670.3
6
31
4 X51
12 X1001631
.35 VI/GR
.5 VI/GR
.5 VI/GR
X163
X20
X600036
86
85
.5 SW/BL
69
15
AC
46 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
7419 318i318i
F397.5AF165A
1
2
318i

AUXILIARY FAN – 6–CYLINDER ENGINE







INTEGRATED CLIMATE REGULATION (IHKA E36)
2.5 SW/BL
X82
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE
86 30P90
FRONT POWER
DISTRIBUTION BOX F16
5A
F4130A

K22
HIGH SPEED
RELAY
K21
NORMAL SPEED
RELAY
X872 .5 SW/GR
.35 SW/GN
X822 3
X873 1
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPENM9
AUXILIARY FAN
MOTOR
8X536
4 X52
6
X10261386
87a 85
8530
87
X10261
2
.5 SW/BR
X165
85b X10016
12
4
85X522
X1001822
FUSE DETAILS
0670.3
.5 GN/VI
.5 GN/VI 2.5 GN/RT
X10027
.5 BR .5 BR
GROUND
DISTRIBUTION
0670.4


X53
.5 SW/GR
16 X6000
5 X20
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
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
.5 BL/SW
.35 BL/SW1
9 X10054
X152711 .5 SW/BRGROUND
DISTRIBUTION
0670.4
9
6450.7-05

15
B9508
PRESSURE
SWITCH
87 85b
.5 SW/GR2.5 BL
4
X1022
6450.7-05
.5 SW/BR
.5 SW/BR25
12
34
NOT USED
124 3
12
FUSE DETAILS
0670.3

.5 RT/WS
AUXILIARY FAN – 4–CYLINDER ENGINE







INTEGRATED CLIMATE REGULATION (IHKA E36)
.35 SW/GR
X1890
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE P90
FRONT POWER
DISTRIBUTION BOX
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X113792 .5 SW/GR
4 SW/BL
X18902 3
X203
1
S36y
DOUBLE
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 88
DEGREES C
3) ABOVE 80
DEGREES C
4) OPEN M9
AUXILIARY FAN
MOTOR
8X536
6 X524
X102613X10261
2
X165
X1001612
42 X525
X15882
FUSE DETAILS
0670.3
4. GN/RT
X10027
GROUND
DISTRIBUTION
0670.4


X53
.5 SW/GR
X6000
5 X20
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
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
.5 BL/SW
.35 BL/SW1
9 X10054
X152711 .5 SW/BR
GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
.5 SW/GR4 BL
4
X1022
.5 SW/BR25
X165
GROUND
DISTRIBUTION
0670.4
P97
AUXILIARY FUSE
BOXP90
FRONT POWER
DISTRIBUTION BOX
X1001612
FUSE DETAILS
0670.3
X165
15
11
X208
X6000
A6000
ENGINE CONTROL
MODULE (DME)
X600068
.5 GR/VI
X113793
.35 SW/GN
F165A
12
34
12
30 86
87a 85
87
F4840AF165A
124 3
30 86
87 85
57
FUSE DETAILS
0670.3




7000.0 COMPONENT LOCATION CHART








COMP. DESCRIPTION LOCATION7100.0 8500.0
A2w . . INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3

A4 . . . .
CHECK CONTROL MODULE . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-3

A5 . . . . RELAY MODULE . . . . . . . . . . . . . . . . . . . . . . . . behind glove box


A8 . . . .

CRUISE CONTROL MODULE
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-2




A12 . .

SUPPLEMENTAL RESTRAINT SYSTEM
CONTROL MODULE . . . . . . . . . . . . . . . . . .
below rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

00-2


A18 . . HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . below RH side of rear seat (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3
A18 . . HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-1
A32y THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . center of dashboard

A35 . .
ON–BOARD DISPLAY . . . . . . . . . . . . . . . . . . .
center of dash center console



A51 . . WIPER/WASHER MODULE . . . . . . . . . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
A52 . . SLIP CONTROL MODULE (ABS/ASC) . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3


A56 . .

TILT/SLIDE SUNROOF CONTROL
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .
under roof center panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04-2


A64 . . WIPER/WASHER MODULE (LOW II) . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
A96 . . CONVERTIBLE TOP CONTROL MODULE . in lower LH C–pillar behind side panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-1

A104 .
BODY ELECTRONICS CONTROL
MODULE (ZKE IV) . . . . . . . . . . . . . . . . . . . .
behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-1



A113 . .
SEAT OCCUPANCY DETECTOR . . . . . . . . .
under RH front seat





A115 . .

AUTOMATIC CLIMATE CONTROL
MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . .
behind center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
03-2

A835 . TRANSMITTER MODULE (EWS II) . . . . . . . RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-3




COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS









N4
ON–BOARD
COMPUTER
E47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X1070X1071
M16
GAS FILLER LOCK
MOTOR
X312
X318
X1527