1998 BMW 318ti Electrical Troubleshooting Manual


6350.0 CRASH CONTROL MODULE





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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





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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





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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




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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



 !
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