BMW 318ti 1998 E36 Electrical Troubleshooting Manual







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6325.0 BRAKE LIGHTS
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) X22
15 2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT1 BL/RT S29
BRAKE LIGHT
SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
GROUND
DISTRIBUTION
0670.4 X318
2
X318
E47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY X3193
X319
5E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
8
1.5 BR H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
1.5 BR
H34
HIGH LEVEL STOP
LIGHT X413
2 X116
X116
6 X13
1 BL/RT 1.5 BL/RT
.5 BR
X4131
X11268
1 BL/RT
 

.35 BL/RT
A8500
TRANSMISSION
CONTROL MODULE
(EGS) X8500
10
X6912
X13006
.5 BL/RT .75 BL/RT
12X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
WITH EGS WITHOUT EGS
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT X11394
18 .35 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170
17 .75 BL/RT
WITH ABS WITH ASC
43
4 3 X78
GROUND
DISTRIBUTION
0670.4
X173
.5 BR/GR
11 X69
.5 BR/GR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
48 X8500
1.5 BL/RT
.75 BL/RT







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6330.3 INTERIOR LIGHTS
P90
FRONT POWER
DISTRIBUTION BOX F33
10A
6X1001826
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
E35
DRIVER’S
MAKE–UP MIRROR
LIGHT X3813
X381
1 .5 VI/WS
.5 BRE36
PASSENGER’S
MAKE–UP MIRROR
LIGHT X382
1
.5 BR
.5 VI/WS
X382
3321
X336
.5 VI/WS
E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY
0) OFF
1) MANUAL
2) AUTOMATIC
3) INTERIOR
LIGHT
4) READING
LIGHT
5) ON21
S77
DRIVER’S
MAKE–UP MIRROR
SWITCH
1) OFF
2) ON X401
X1245
21S78
PASSENGER’S
MAKE–UP MIRROR
SWITCH
1) OFF
2) ON X402
X1246
4
5 0 5 0
X3364
.5 BR.5 BR
X495
GROUND
DISTRIBUTION
0670.4 .75 BR
.75 RT/SW
11
1F43
5A
1 X10018
5
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X1325212
X13252
4
X101822
S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS ON
2) HEADLIGHTS ON
X18337
8
LIGHT SWITCH
DETAILS
6300.0
3 .5 GR/SW1 GR/SW
X196
2
1 0
 

.75 RT/WS
.75 RT/WS
0
21
E32z
REAR CENTER
INTERIOR LIGHT X102713
X10271
1 .5 RT/GE
X13006
GROUND
DISTRIBUTION
0670.4
.75 RT/SW
E61
LEFT FRONT
FOOTWELL LIGHT X7483
X748
1 .5 RT/SW
GROUND
DISTRIBUTION
0670.4
E62
RIGHT FRONT
FOOTWELL LIGHT X7453
X745
1 .5 RT/SW
GROUND
DISTRIBUTION
0670.4
X495
X10269




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INTERIOR LIGHTS
2
X13006
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
.5 BR/GR/GE
X132543
.5 BR/BL/GE
S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED 1
22 X352
X3521
1
2S13
PASSENGER’S
DOOR JAMB
SWITCH
1) DOOR OPEN
2) DOOR CLOSED 2 X351
X3511
GROUND
DISTRIBUTION
0670.4
X495
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
18 X10182
POWER
DISTRIBUTION
0670.2
X2
X0
POWER
DISTRIBUTION
0670.2 

10 RT
A2w
INSTRUMENT
CLUSTER
ANTI–THEFT
SYSTEM (ALPINE)
6575.2.5 BR/GR/GE .5 BR/BL/GE
X1413
.5 BR/GR/GE
.5 BR/GR/GE
23 X17
.5 BR/GR/GE .5 BR/BL/GE
X443X445







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6332.0 INTERIOR ACCESSORIES
P90
FRONT POWER
DISTRIBUTION BOX F32
30A
LIGHT SWITCH
DETAILS
6300.0X10018
428F44
15A
14F37
10A
FUSE DETAILS
0670.3
1 2X541
3 1 X541
S37
GLOVE BOX LIGHT
SWITCH
1) GLOVE BOX
OPEN
2) GLOVE BOX
CLOSED .5 VI/SW/GE
GROUND
DISTRIBUTION
0670.4
X10012
5
8S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS
ON
2) HEADLIGHTS
ON
3) DIMMER FUSE DETAILS
0670.3
1 GR/SWFUSE DETAILS
0670.3
1 GR/RT
.5 GR/RT
E29
FRONT CIGAR
LIGHTER LIGHT X532
X532
2
1
X1019
.5 BR
LIGHT SWITCH
DETAILS
6300.0X101411 X531
E28
FRONT CIGAR
LIGHTER
GROUND
DISTRIBUTION
0670.4
2.5 BR
X18337
X10012
2 X540
X5401
6 X18337
 

E42
GLOVE BOX LIGHT
3
0
21


6350.0 CRASH CONTROL MODULE





!


N17
CRASH CONTROL
MODULE
X658
GROUND
DISTRIBUTION
0670.4F34
15A
.5 BR/BL
1 2 21LIGHT SWITCH
DETAILS
6300.0
S18
HAZARD SWITCH
1) OFF
2) ON X516
2
X5163
X10012
.5 GR/RT
GROUND
DISTRIBUTION
0670.4 4 5 .5 BL/GN
FUSE DETAILS
0670.3
X10010
P90
FRONT POWER
DISTRIBUTION BOX
8 X10018
 

TURN/
HAZARD LIGHTS
6313.071.5 BR/SW/GE
X101821
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X13253
7
.35 BR/SW
X7434
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
BL
CS
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
8 X13025
.5 BL/GN/GE
14 X14
.5 BL/GN/GE
2
X646
X648
K16
HAZARD FLASHER
RELAY
41 BL/GN
X654 .5 BL/GN
X184TURN/
HAZARD LIGHTS
6313.0 9.5 WS/BL/GE
5
WB
6
30
X173
GROUND
DISTRIBUTION
0670.4
1.5 RT/SW/GE1.5 RT/SW/GE





!



6410.7 HEATING CONTROL (HS)
P90
FRONT POWER
DISTRIBUTION BOX
15S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
7 X33
1 X209
2.5 GN
2.5 GN
X203
.35 GN
8POWER
DISTRIBUTION
0670.2
6
30
87 85 86
4X58
2
GROUND
DISTRIBUTION
0670.42.5 GN/BR
X35
2
X58
K4
BLOWER RELAY
X173
2.5 GN/BR
F2030A
X10016
20
FUSE DETAILS
0670.3
 

10
2 3





!


4 X905
1 2 3 X904
X9057 1 2
S75
BLOWER SWITCH
0) OFF
1) SLOW
2) MEDIUM
3) FAST
4) MAXIMUM
R11
BLOWER
RESISTORS
1) OPENS IF
RESISTORS
OVERHEAT
3
X906
X9044
2.5 GN/GR 2.5 GN/GR
X13286
1
1 X13287
M30
BLOWER MOTOR
2.5 BL 2.5 GN 1.5 SW
GROUND
DISTRIBUTION
0670.4 2.5 GN/GR
X10012
2.5 GN/BR
1
210
3 4





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

X1847




REAR WINDOW DEFOGGER/ANTENNA




!


1 X380
16 X18126
 

GROUND
DISTRIBUTION
0670.4
STEREO HIFIN9
RADIO
16 X18126
2.5 BR
1 X379
2 X1845
21
2
.5 GE/GN.5 GE/BL
X13006
N8
ANTENNA
AMPLIFIER AM/FM
1
2.5 SW
N8
ANTENNA
AMPLIFIER AM/FM
1 X1845
1 X1844
3 X1646
2 X17179
A18
HIFI AMPLIFIER
X1846
E9
REAR DEFOGGER I
.5 WS .5 WS .5 WSN9
RADIO
.5 WS
.5 WS
FM1 FM2 AMANT ANT
X830
ANTANT
.5 WS
X17279
2 X605
RADIO/HIFI
6510.1
WITH SUBWOOFER
.5 WS
.5 WS
1 X424
.5 WS



 !
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