fuse box BMW 328i 1999 E36 Electrical Troubleshooting Manual

X1780
2





4 X1780
REAR WINDOW DEFOGGER/ANTENNA





P90
FRONT POWER
DISTRIBUTION BOX
K128
SPATIAL SOUND
RELAY
.35 VI/GE
26 X10018
6
X10266
F435A

FUSE DETAILS
0670.3
2 X100924 6
A96
CONVERTIBLE TOP
CONTROL MODULE
8 X13159
.35 BR/GE
X1783
X1314332
X13006
1 X13143
X131421
2 X13142
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4M105
REAR WINDOW
BLOWER
S196
REAR WINDOW
BLOWER MICRO
SWITCH
1) CONVERTIBLE
TOP RAISED
UP
2) CONVERTIBLE
TOP DOWN
2.5 RT/SW
.5 GN/SW
21
X10092
A18
HIFI AMPLIFIER
6424.0-01
2.5 SW
.35 BR/GE.35 BR/GEK99
REAR WINDOW
BLOWER RELAY
CONVERTIBLE
2

 


6450.7-00
6450.7-01S36
TEMPERATURE
SWITCH M30
BLOWER MOTOR 6450.7-006450.7-00
5
A2w
INSTRUMENT
CLUSTER 6450.7-0210
2221 23A115
AUTOMATIC
CLIMATE CONTROL
MODULE
3
B11
LH HEAT EX-
CHANGER
TEMPERATURE
SENSORA6000
ENGINE CONTROL
MODULE (DME) 4
1
2
B12
RH HEAT EX-
CHANGER
TEMPERATURE
SENSORB13
OUTSIDE
TEMPERATURE
SENSOR
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.7-02
6450.7-04 6450.7-02 X1527
F2030A
K13
REAR DEFOGGER
RELAY
6424.0
16M36
FRESH AIR FLAP
MOTOR
F315AF235A
181111 Y4
WATER VALVE
ASSEMBLY
B9
INTERMEDIATE
PRESSURE
SWITCH F16
5AF4130A
6450.7-05
K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSOR 6450.7-04
6450.7-04
B8y
PRESSURE
SWITCH
K22
HIGH SPEED
RELAY
1715A
X1527
P90
FRONT POWER
DISTRIBUTION BOX
6
N2
FINAL STAGE UNIT 6450.7-00
149241225
20 86450.7-00K4
BLOWER RELAY
A6000
ENGINE CONTROL
MODULE (DME) 6450.7-05
P90
FRONT POWER
DISTRIBUTION BOX
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
M9
AUXILIARY FAN
MOTOR
K21
NORMAL SPEED
RELAY
S36y
DOUBLE
TEMPERATURE
SWITCHB9
INTERMEDIATE
PRESSURE
SWITCH F16
5AF4840A
6450.7-06
B8y
PRESSURE
SWITCHK22
HIGH SPEED
RELAY 6450.7-06
A6000
ENGINE
CONTROL
MODULE (DME) 6450.7-06
P97
AUXILIARY FUSE
BOX
M9
AUXILIARY FAN
MOTOR
K21
NORMAL SPEED
RELAY
F165AF397.5AP90
FRONT POWER
DISTRIBUTION BOX
6450.7-04
A6000
ENGINE CONTROL
MODULE (DME) 6450.7-06
713
NOT USED
19LIGHT SWITCH
DETAILS
6300.0 58g
START
1240.030h
B9508
PRESSURE
SWITCH6450.7-05 6450.7-05
6450.7-05
6450.7-05AUXILIARY FAN –
4–CYLINDER ENGINE
3 2 1
6450.7-03 6450.7-03 6450.7-03 6450.7-03
M35
DEFROSTER FLAP
MOTORM44
REGULATION FLAP
MOTORM46
REAR
RECIRCULATION
FLAP MOTORX1527
M40
RECIRCULATION
FLAP MOTORB9508
PRESSURE
SWITCH6450.7-06 6450.7-066450.7-06 P90
FRONT POWER
DISTRIBUTION BOX
S2
IGNITION SWITCH
15
AUXILIARY FAN –
6–CYLINDER ENGINE
PARK VENTILATION
WITH IHKA E36
6412.20
26
X1527
TXD
6450.7 INTEGRATED CLIMATE REGULATION (IHKA E36)

 



Pin Assignments

E = Input, A = Output, M = Ground
X1527
Pin Type Description/Function Connection
1
EOutside temperatureOutside temperature sensor
2EEvaporator temperatureEvaporator temperature sensor
3EHeater temperature, leftLeft heat exchanger temperature sensor
4EHeater temperature, rightRight heat exchanger temperature sensor
5EVehicle speed signal (Speedometer output
signal)Instrument cluster
6ERPM speed signal TDEngine control module (DME)
7EIllumination inputIllumination
8AOutput signalOn-board computer
9ETerminal 50Starter
10ARPM speed increaseEngine control module (DME)
11AA/C compressor activationPressure switch
12ARear window signalRear window
13AWater valve activation, rightRight water valve
14AFresh air flap motor activationFresh air flap motor
15AFresh air flap motor activationFresh air flap motor
16AFresh air flap motor activationFresh air flap motor
17AFresh air flap motor activationFresh air flap motor
18AWater valve activation, leftLeft water valve
19AA/C fan activationA/C fan final stage
20EIndependent ventilationRelay box
21MGroundControl panel
22MGroundMixing actuator
23MGroundControl panel
24ETerminal 15Fuse
25ETerminal 30Fuse
26E/ADiagnostic data linkData link connector


POWER, AIR FLOW CONTROL








INTEGRATED CLIMATE REGULATION (IHKA E36)
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN
7 X33
2.5 GN
X203
8S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
86
85
8730 6 X58
POWER
DISTRIBUTION
0670.2
K4
BLOWER RELAY
4X582 .35 GN
2.5 GN/BR
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
GROUND
DISTRIBUTION
0670.49
.35 SW/GN
30h
X276
START
1240.0 .5 SW/GN
5
.35 SW/GN
24 .5 GN/GE1
F315A
X10018
2
25 .5 RT/GE
FUSE DETAILS
0670.3
15
X2091
X3522.5 GN/BR
F2030A
X10016
20
FUSE DETAILS
0670.3
F235A
X10017
6
FUSE DETAILS
0670.3
X35
1 GN/BL
32 4 1 X663
M36
FRESH AIR FLAP
MOTOR
17 16 15 14
.35 WS .35 BL .35 GR .35 GE
X10054
X1527
2 X671
X6713
19.35 BL/RT41
2.5 BR/GE
X8171
1 X816
5
2.5 GN/GE
M30
BLOWER MOTORN2
FINAL STAGE UNIT
21
.5 BR23
.5 BR
GROUND
DISTRIBUTION
0670.4
X10012
2
10
3
31 31 31 31
X173
2.5 BR
X1527








INTEGRATED CLIMATE REGULATION (IHKA E36)
A115
AUTOMATIC
CLIMATE CONTROL
MODULE 1 X85
Y4
WATER VALVE
ASSEMBLY
1) LEFT VALVE
2) RIGHT VALVE
X853
.5 GE/BR
3
.5 GE/BR
X100182
FUSE DETAILS
0670.3
13
P90
FRONT POWER
DISTRIBUTION BOX
2
.5 GE/VI
X10054
7
.5 GE/VI
18
1
4 X35
.5 GE
12 720
X152726
7X100542
.35 WS/VI 12
.35 SW/WS/GE
.35 BR/GE
5
.5 GR/RT
LIGHT SWITCH
DETAILS
6300.0
REAR WINDOW DE-
FOGGER/ANTENNA
6424.0
.5 BL/SW
.5 GR/RT
F315A
2
3131
8
11
PARK VENTILATION
WITH IHKA E36
6412.20DATA LINK
0670.5
.5 SW/WS/GE .5 GN .35 WS/VI
X35
TXD .35 GN/BR


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

CONVERTIBLECONVERTIBLE
12
X1260
12
23




6510.0 RADIO/STEREO
STEREO, 6–SPEAKER SYSTEM








N9
RADIO
H59
LEFT FRONT HIGH
RANGE SPEAKER 1
16
H58
LEFT FRONT LOW
RANGE SPEAKER
815 FUSE DETAILS
0670.3
11X876
X753
X826
X1381
P90
FRONT POWER
DISTRIBUTION BOX
H45
RIGHT REAR
SPEAKER 23
2
16
H50
RIGHT FRONT
HIGH RANGE
SPEAKERH51
RIGHT FRONT LOW
RANGE SPEAKER 11
2311 X827
X746
X877
X700
H46
LEFT REAR
SPEAKER 23
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2 X17
X188
3
10 X181263
1213
LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.0
614
18 X10015
1 GR/RT
9.5 GR/RT58g
.75 GE/BR
.75 GE/RT
.75 GE/RT
.5 GE/RT .75 GE/RT
X701
.75 GE/BR
.75 GE/BR
.5 GE/BRX18196
X1002
.75 GE/VI .75 GE/GR.75 BL/SW
.75 BL/SW
.5 BL/SW.75 BL/BR
.75 BL/BR
.5 BL/BRX18198
.75 BL/SW .75 BL/BR
X1380
.75 BL/VI .75 BL/GR .5 SW/WS
X322
.5 SW/WS
.5 SW/WS
2
1 X424.5 WS16
4 X18126
.5 WS/BR
N8
ANTENNA
AMPLIFIER AM/FM
F920AF4415A
1 5X322
31
X13016
4
1.5 RT/WS
FUSE DETAILS
0670.3 28 X10018
52
1.5 VI/WS
3X1892
6 X400
7 X14
.35 WS/BR.5 WS/BR .35 GE
MUTE 7
.35 GE
6
I-BUS
24 X14
TELEPHONE
CONNECTOR
LUGGAGE
COMPARTMENT
X557.35 WS/BR .35 WS/BR
.35 GE
N22
CD CHANGER
CELLULAR TELE-
PHONE (PROVI-
SIONS)
6561.0
GROUND
DISTRIBUTION
0670.4
X18723
X1001
X1261
CONVERTIBLE




6510.1 RADIO/HIFI/TOP HIFI






F3310AP90
FRONT POWER
DISTRIBUTION BOX F4415A

A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2X17
X188
3
10CELLULAR
TELEPHONE
(PROVISIONS)
6561.0
INSTRUMENT
CLUSTER
6211.0
628 X10018
.5 SW/WS
X322
.5 SW/WS
.5 SW/WS
N9
RADIO 59
16
X830
15
GROUND
DISTRIBUTION
0670.42
2 X1892
1 X1892
161
.75 GE/RT1523
32
6 X18126
8 17
1211 14
14 X18126
2X606
FUSE DETAILS
0670.3
.5 WS
N9
RADIOA18
HIFI AMPLIFIER
.75 BL/RT .75 GE/SW .75 BL/SW
.75 BR/OR .75 BR/OR .75 BR/OR .75 BR/OR
LV–LH–RV–RH– N22
CD CHANGER
LV+ RV+ LH+ RH+
.5 WSANT
ANT
.5 WSX18126
31
F9 20A

18X10015
1
.5 WS/BR
4
1 X605
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
41 X606
6X400
X14 .5 WS/BR
1.5 VI/WS
2
MUTE
1 X424N8
ANTENNA
AMPLIFIER AM/FM
GROUND
DISTRIBUTION
0670.4
3 X605
1.5 RT/WS
2.5 RT/WS
GROUND
DISTRIBUTION
0670.4
.35 GE
.35 GE
3X14
24
CONVERTIBLE30 I-BUS R
31 TACHO7
.35 GE .35 GE
4 X322
13
5
LIGHT SWITCH
DETAILS
6300.058g
58gTELEPHONE CONNECTOR

LUGGAGE COMPARTMENT

X557
.35 WS/BR
X322X19513
1.5 RT/WS
6 1 GR/RT
.5 GR/RT .35 WS/BR .35 WS/BR 7
X18723CONVERTIBLE
WITH TOP HIFIX18723CONVERTIBLE
WITH TOP HIFI
X13006X13016X13016