light BMW 318ti 1998 E36 Electrical Troubleshooting Manual





2 X2928
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
X130061 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
5B9y
PRESSURE
SWITCHS36y
DOUBLE
TEMPERATURE
SWITCHK21
NORMAL SPEED
RELAY
B8y
PRESSURE
SWITCHA6000
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



 !
Pin Assignments

 

E = Input, A = Output, M = Ground X11250
6-Pins, black
X1327410-Pins, black
X11250
Pin Type Description/Function Connection
1
EAir recirculation signalBlower switch
2MGroundGround point
3EFunction signalIHKS switch, Engine control module (DME)
4EAir recirculation signalBlower switch
5EPressure signalPressure switch
6EEvaporative temperatureEvaporative temperature sensor
X13274
Pin Type Description/Function Connection
1
MGroundGround point
2Not used
3Not used
4EAir circulation signalBlower switch
5Not used
6ETerminal 58gLight switch
7ETerminal 15Front power distribution box, fuse 23
8AAir recirculation signalFresh air recirculation motor
9AFunction signalIHKS-control module, Engine control
module (DME)
10ARear defogger signalRear window defogger relay

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 DEFOGGER
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

23




6510.0 RADIO/STEREO



!



N9
RADIO
H59
LEFT FRONT HIGH
RANGE SPEAKER
1
16
H58
LEFT FRONT LOW
RANGE SPEAKER
8
15 FUSE DETAILS
0670.3
11 F33
10A
X876
X753
X826
X1381
P90
FRONT POWER
DISTRIBUTION BOX F44
15A

H45
RIGHT REAR
SPEAKER 21
2
16
H50
RIGHT FRONT
HIGH RANGE
SPEAKER
H51
RIGHT FRONT LOW
RANGE SPEAKER 11
23
11 X827
X746
X877
X700
H46
LEFT REAR
SPEAKER 21
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2 X17
X188
3
10 X181263
12135
LIGHT SWITCH
DETAILS
6300.0
INSTRUMENT
CLUSTER
6211.0
614
6 X1001828 X10018
1 GR/RT
2.5 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
X10248
.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
X10246.5 SW/WS
X322
.5 SW/WS
.5 SW/WS
GROUND
DISTRIBUTION
0670.4
312
1 X424
.5 WS
16
4 1CELLULAR
TELEPHONE
(PROVISIONS)
6561.0
X18126
X322
.35 WS/BR
.5 WS/BR
X18723
N8
ANTENNA
AMPLIFIER AM/FM
5
FUSE DETAILS
0670.3
R 58g MUTE
LF+ LF–LR+ LR–31 RF+ RF–RR+ RR–GAL ANT
 

FUSE DETAILS
0670.3 F9
20A
18 X10015
93X1892
1
GROUND
DISTRIBUTION
0670.4
X13006
X1892
N22
CD CHANGER
7.35 GE
3 X1646
.5 WS 24
X146X322.35 GE.35 GE

INSTRUMENT
CLUSTER
6211.0
N9
RADIO




6510.1 RADIO/HIFI


!



F3310A
P90
FRONT POWER
DISTRIBUTION BOX F44
15A
5LIGHT SWITCH
DETAILS
6300.0
2
6 X1001828 X10018
X17
.5 GR/RT58g
9131 GR/RT
10
X188
15
X13016
GROUND
DISTRIBUTION
0670.4
2 X1892
1
161
.75 GE/RT1523 32
6
3FUSE DETAILS
0670.3
N9
RADIOA18
HIFI AMPLIFIER
.75 BL/RT .75 GE/SW .75 BL/SW N22
CD CHANGER
LF+ RF+ LR+ RR+
.5 SW/WSGAL
F920A
18 X10015
1 X605
8 17
.75 BR/OR
LF–124
.75 BR/OR
LR–11 14
.75 BR/OR
RF–141
.75 BR/OR
RR–
X606
X18126
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
1CELLULAR
TELEPHONE
(PROVISIONS)
6561.0
.5 WS/BR
4 .35 WS/BR
5
3130 R 58g MUTE
LF+ RF+ LR+ RR+
LF–RF– LR–RR– 30
31
F920A
18 X10015
FUSE DETAILS
0670.3
X13006
GROUND
DISTRIBUTION
0670.4
 

1X322
.5 WS .5 WS
X18126
3 X1646
6
.35 GE
7
.35 GE
X322
24X14
.35 GE
3
X1892I-BUS
X332
.5 SW/WS
.5 SW/WS
A2w
INSTRUMENT CLUSTER
2) VEHICLE SPEED
OUTPUT
2 16 X18126X17179
ANT
ANT
X830
X17279
2
2 X17159
.5 WS
.5 WS
.5 WS
.5 WSX605
WITH SUBWOOFER N8
ANTENNA
AMPLIFIER
AM/FM
H66
SUBWOOFER
34 X17159
X13016
GROUND
DISTRIBUTION
0670.4
3 X605
X13016
GROUND
DISTRIBUTION
0670.4
X424
.5 WS
X17179
X17179
ANT
X606
2

X78WITH EGS




!



6571.0 CRUISE CONTROL (TEMPOMAT)
FUSE DETAILS
0670.3 X10017
16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX F28
5A
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
.5 BR/SW
F4615A
X10018
32
.5 VI/GE X511
7
 " 1 

'
 
 +
 1 
" 
 
5S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
3126
31
X191
.35 BR/SW1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/SET
4) ACCELERATE/SET
24
31
3
18
312
9
314 X72
20
X22
31
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .35 BL/WS .35 BL/GN .35 BL/GR.5 VI/GE
.35 BL/SW FUSE DETAILS
0670.3
468
5 EGS A4S 270R
 

1
1 2
2
15S29
BRAKE LIGHT SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
BRAKE LIGHTS
6325.0
X116
X116
.35 BL/RT 1.5 BL/RT1.5 VI/GE
X181
L1L2L3L4
01010101
4 3
01 2
01 2
0
31
20
8X16
.35 SW.5 SW
X1047
31A2w
INSTRUMENT
CLUSTER
TD
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
WITHOUT EGS




6575.2 ANTI–THEFT SYSTEM (ALPINE)
 



!



P90
FRONT POWER
DISTRIBUTION BOX
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) FUSE DETAILS
0670.3
F435A
2 X13025
3 X1302511
S61y
LUGGAGE
COMPARTMENT
LIGHT SWITCH
1) TRUNK
CLOSED
2) TRUNK OPEN3 X711
LOW–NOISE
MICROPHONE
VI VI
SW SW
LED
X13009
GROUND
DISTRIBUTION
0670.4
ANTENNA
.5 BR/WS
8
2 X65
.5 BL/GN/GE
14X14
N17
CRASH CONTROL
MODULE .5 BL/GN/GE1 2
26 X10018
2 X711
12
1 X13254
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) .5 BR/RT/GE
.5 BR/RT/GE
X475
.5 BR/RT/GE
10
4 X13253
.5 BL/RT/GE
.5 BL/RT/GE
X450
14 X1659A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) .5 BL/RT/GE
4X14
.5 BL/RT/GE
X13006
GROUND
DISTRIBUTION
0670.4
S48
DRIVER’S DOOR
HANDLE SWITCH
1) HANDLE DOWN
2) HANDLE
LIFTED2 X752
1 2
1 X752
X495
GROUND
DISTRIBUTION
0670.4
19 X257
.5 BR/RT/GE

6581.3 BOARD COMPUTER (BC – LOW)

!



B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
31 30
31 31 31
.35 BR/GR
P90
FRONT POWER
DISTRIBUTION BOX
232 X10018
FUSE DETAILS
0670.3
510
911
LIGHT SWITCH
DETAILS
6300.0
X10245
86 X10245
X10010
1 X770
2 X770
GROUND
DISTRIBUTION
0670.4
X10010GROUND
DISTRIBUTION
0670.4
58g
FUSE DETAILS
0670.3
 

.35 WS/VI2.35 WS/GE3
B25y
FUEL TANK
SENSOR II .5 BR/GE7
2 X679
1 X679
15
.5 SW/WS2
X188
INSTRUMENT
CLUSTER
6211.0
X11291
1 X13
B6
FUEL LEVEL
SENSOR 2 X1241
1 X1241
.5 GE15
31
3 X271
.5 BR/SW
.5 BR/GE
1 X271
15
.35 BR/RT1
10 X32
1 X32
X173
GROUND
DISTRIBUTION
0670.4
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2
X17
.35 SW/WS
.35 GR/RT
A35y
BOARD
COMPUTER
(BC – LOW)
S7
COMBINATION
SWITCH
10) PROGRAM
MODUS 10TXD RXD
DATA LINK
0670.5.5 BR/GE
.5 BR/GE
A2w
INSTRUMENT
CLUSTER
.5 BR/SW.5 BR/SW
X805
INSTRUMENT
CLUSTER
6211.0
31415
.5 WS/SWA6000
ENGINE CONTROL
MODULE (DME)
X6000
24X20
.35 WS/SW
31
F315AF4615A
83
.35 BR/RT
.35 BR