climate control BMW 318ti 1999 E36 Electrical Troubleshooting Manual





2X2928
6424.0 REAR WINDOW DEFOGGER/ANTENNA








N8
ANTENNA
AMPLIFIER AM/FM P90
FRONT POWER
DISTRIBUTION BOX F6
30A

K13
REAR DEFOGGER
RELAY
86
8530
87
2.5 SW
FUSE DETAILS
0670.3F23
5A
58g
2.5 SW 6 X10017
12 X10015
46 X292
9 X13
1 X1843
FUSE DETAILS
0670.3
 

.35 BR/GE
1
10 X13274
1 X13274
GROUND
DISTRIBUTION
0670.4
7 X35
S530
IHKS CONTROL
SWITCH
1) REAR DEFOGGER .5 BL/SW
WITHOUT AERIAL WITH AERIAL
E9
REAR DEFOGGER I 2.5 SW1 X379
GROUND
DISTRIBUTION
0670.4
X13006
1 X380
2.5 SW
WITH HEATING
CONTROL (HS)WITH INTEGRATED HEATING– AND
CLIMATE CONTROL (IHKS)
GROUND
DISTRIBUTION
0670.4
X10012
X1518
S218
REAR DEFOGGER
SWITCH
0) OFF
1) ON
4 X1518
.35 BR/WS7 X35
8
.5 GN/GE
5
.35 GR/RT15
1 GN/BL.5 GR/RT
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
.35 BR
2 X1522
6
.35 GR/RT
1 X1522
.5 GN/BL
X10012
LIGHT SWITCH
DETAILS
6300.0
.35 BR1
10 10




K4
BLOWER RELAY
F2030A F397.5A
5B9
INTERMEDIATE
PRESSURE
SWITCHS36y
DOUBLE
TEMPERATURE
SWITCHK21
NORMAL SPEED
RELAY
B8y
PRESSURE
SWITCH A6000
ENGINE CONTROL
MODULE (DME)
B9508
PRESSURE
SWITCH
X11250
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
.0
F235AF165A
S2
IGNITION SWITCH
M30
BLOWER MOTOR R11
BLOWER
RESISTORS K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSORA8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME)
Y4z
WATER VALVE
S531
TEMPERATURE
WHEEL SWITCHM111
FRESH AIR
RECIRCULATION
MOTOR4X13274
S530
IHKS CONTROL
SWITCHF16
5AF4840A
K22
HIGH SPEED
RELAY
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION 58g
LIGHT SWITCH
DETAILS
6300.0P97
AUXILIARY FUSE
BOX
6450.6-00
6450.6-00
6450.6-006450.6-00
6450.6-01
6450.6-016450.6-016450.6-026450.6-02
6450.6-026450.6-02
6450.6-01
6450.6-006450.6-03
6450.6-03
6450.6-03 6450.6-03
6450.6-03P90
FRONT POWER
DISTRIBUTION BOX
M9
AUXILIARY FAN
MOTOR 6450.6-03
F165A
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX
B14
EVAPORATOR
TEMPERATURE
SENSOR
6
6450.6-012S75
BLOWER SWITCH 6450.6-00
6
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-01
41
107
K13
REAR DEFOGGER
RELAY 6450.6-01
3
X11250
9 X132741 8
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-03
6450.6-01
6450.6-03
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL

F2030A


POWER, AIR FLOW CONTROL





INTEGRATED HEATING– AND CLIMATE CONTROL
X1001620
8 2.5 GNP90
FRONT POWER
DISTRIBUTION BOX
POWER
DISTRIBUTION
0670.2
X203
X582 4
2 1 7X905
X8171 6 X58
1 X816
4 3 2 1 X904
X352 7 X33
4X905
 

X173X10012
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
1 X209
2.5 GN
.35 GN
86
8530
87FUSE DETAILS
0670.3
K4
BLOWER RELAY
2.5 GN/BR
2.5 GN/BR
2.5 GN/GR
2.5 GN/
GR 2.5 BL 2.5 GN 1.5 SW2.5 GN/GR
M30
BLOWER MOTOR
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4R11
BLOWER
RESISTORS
1) OPENS IF
RESISTORS
OVERHEAT



S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
1
6
2
X10012
3
X906
1 LIGHT SWITCH
DETAILS
6300.0
X1522X1522
.5 GN/RT
GROUND
DISTRIBUTION
0670.4E103
CLIMATE CONTROL
SWITCH ILLUMINATION .5 GR/RT
1 GN/GR 58g
2
10
3
2 1 0
34

31







F235A
6 58g
6 1 X85
1
X10234
X853
X35
3
2
4
X771
2
FUSE DETAILS
0670.3
.5 GE/BR
.5 GE/BR
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE P90
FRONT POWER
DISTRIBUTION BOX
M111
FRESH AIR
RECIRCULATION
MOTORK13
REAR DEFOGGER
RELAY
S531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
.5 GE
4 X35
LIGHT SWITCH
DETAILS
6300.0
GROUND
DISTRIBUTION
0670.4FUSE DETAILS
0670.3
S530
IHKS CONTROL
SWITCH
0) OFF
1) REAR DEFOG-
GER
2) A/C
3) RECIRCULATIONGROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4B14
EVAPORATOR
TEMPERATURE
SENSOR
GROUND DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 A6000
ENGINE CONTROL
MODULE (DME)X11250
X11250
1 GN/GR .5 GN/RT .5 GN/RT .35 GR/RT .5 GN/RT
X10233
X13274
1
X771
Y4z
WATER VALVE
14 3X13279
X132749
1
.35 VI/GR
.35 VI/GR 8 7
10 4 .35 GR/GE8
2
X1517
X151731.5 BL/SW4 X292
X10234
X100176
.5 RT/GE
.35 VI/GR
.5 VI/GR6 X35
6X20
.5 VI/GR
69 X6000
X35
X292
85 86 FUSE DETAILS
0670.3
7
X10012
.35 GR
X10012
030301010202
01
.5 GN/BL


COMPRESSOR CONTROLS
INTEGRATED HEATING– AND CLIMATE CONTROL








15
31

F165A
30
87P90
FRONT POWER
DISTRIBUTION BOX F39
7.5A
18 X10018
FUSE DETAILS
0670.3
.75 SW/RT/GE
2
1
21
5 X51
4
.5 SW/BL
.5 SW/BL
X8056
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY
A6000
ENGINE CONTROL
MODULE (DME) FUSE DETAILS
0670.3
6
4 X51
12 X10016
X163
X20
X6000
86
85
.5 SW/BL15
AC
X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS).5 SW/BL
 

46
36

.35 SW/GR
X20
3
X208
X6000
X6000
X113793.35 SW/GN.5 RT/WS
57
.5 GR/VI68
GROUND
DISTRIBUTION
0670.4
AUXILIARY FAN







INTEGRATED HEATING– AND CLIMATE CONTROL
X18901 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE 12
86
30P97
AUXILIARY FUSE
BOX F16
5A
F4840A

34
2 1
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X113792 .5 SW/GR
4 SW/BL
X1890
3
1
S36y
DOUBLE
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 88
DEGREES C
3) ABOVE 80
DEGREES C
4) OPEN M9
AUXILIARY FAN
MOTOR
8X5366 X524
X10261
386
87a 8585 30
87
X10261
2
X165
X1001612
455X522
X15882
FUSE DETAILS
0670.3
4 GN/RT
X10027


X532
.5 SW/GR
11 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
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
.5 BL/SW
.35 BL/SW10 X35
X112505 .5 SW/BR15
B9508
PRESSURE
SWITCH
2 1
4 387
4
 

X1022
P90
FRONT POWER
DISTRIBUTION BOX
1
GROUND
DISTRIBUTION
0670.4
X165
GROUND DISTRIBUTION
0670.4
X165
F165A

X1001612
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
.5 SW/GR2
A6000
ENGINE CONTROL
MODULE (DME) FUSE DETAILS
0670.3
.5 SW/BR4 BL




7000.0 COMPONENT LOCATION CHART







 

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

A8 . . . .

CRUISE CONTROL MODULE
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0





A12 . .



SUPPLEMENTAL RESTRAINT
SYSTEM CONTROL MODULE . . . . .


below rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0



A18 . . HIFI AMPLIFIER . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . 0

A35y . BOARD COMPUTER (BC – LOW) . . . . center of dash center console

A36 . .
REAR WIPER/WASHER INTERVAL
CONTROL MODULE . . . . . . . . . . . . . .
in lift gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0



A51 . .
WIPER/WASHER MODULE . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

A52 . .

SLIP CONTROL MODULE (ABS/ASC) .

behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0




A56 . .

TILT/SLIDE SUNROOF CONTROL
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . .
in roof panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


A64 . . WIPER/WASHER MODULE (LOW II) . . behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
0

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

0



A107 .
INTEGRATED HEATING– AND
CLIMATE CONTROL MODULE . . . . .
center of dash center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0



A110 .
DIGITAL CLOCK . . . . . . . . . . . . . . . . . . . .
center of dash center console



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


A837 .

ELECTRONIC IMMOBILIZER
CONTROL MODULE (EWS III) . . . . .
below LH side of dash




A6000 ENGINE CONTROL MODULE (DME) . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

E47 . .
RIGHT LUGGAGE COMPARTMENT
LIGHT ASSEMBLY . . . . . . . . . . . . . . . .
in RH rear side of luggage compartment




E51 . . LEFT WASHER JET HEATER . . . . . . . . on underside of engine hood

E52 . .

RIGHT WASHER JET HEATER . . . . . . .

on underside of engine hood




E56 . . DRIVER’S SEATBACK HEATER . . . . . . in upper LH front seatback
E57 . . DRIVER’S SEAT HEATER . . . . . . . . . . . under LH front seat

E58 . .
PASSENGER’S SEAT HEATER . . . . . . .
underside of RH front seat



E59 . . PASSENGER’S SEATBACK HEATER . in upper RH front seatback
E61 . . LEFT FRONT FOOTWELL LIGHT . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
E62 . . RIGHT FRONT FOOTWELL LIGHT . . . right footwell



E82 . .



TRANSMISSION POSITION INDICA-
TOR LIGHT . . . . . . . . . . . . . . . . . . . . . .


center console






E97 . . LIGHT SWITCH ILLUMINATION . . . . . . LH side of dash
E98 . . FOG LIGHT SWITCH ILLUMINATION . on instrument cluster

E103 .
CLIMATE CONTROL SWITCH
ILLUMINATION . . . . . . . . . . . . . . . . . . .
center console




F97 . . . FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment

G1 . . .

BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . .

rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


G5 . . . DRIVER’S AIR BAG GAS GENERATOR behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . .
behind glove box above . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

A36
REAR WIPER/
WASHER INTERVAL
CONTROL MODULE
X11250
X13268
X13057
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE




COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS









 

A51
WIPER/WASHER
MODULE
X285
A64
WIPER/WASHER
MODULE (LOW II)