1998 BMW 318ti heating

BMW NA


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ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/5 (318ti)
SCHEMATICS MODEL YEAR 1998

0100.0
INDEX

0110.0
INTRODUCTION
0140.0SYMBOLS
0670.0
POWER DISTRIBUTION CHART
0670.1
FUSE CHART
0670.2
POWER DISTRIBUTION
0670.3
FUSE DETAILS
0670.4
GROUND DISTRIBUTION

0670.5
DATA LINK




1210.20



ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44)

1230.0
CHARGING SYSTEM

1240.0
START



2460.2


ELECTRONIC TRANSMISSION
CONTROL (EGS A4S 270R)



3234.0


SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)

3450.0
SLIP CONTROL (ABS)
3450.1
SLIP CONTROL (ABS/ASC)
5116.0
POWER MIRRORS

5126.0
ZKE CENTRAL LOCKING (ZV)

5133.0
ZKE POWER WINDOWS (FH)

5200.0
POWER SEATS

5203.0
HEATED SEATS




5410.1



POWER TILT/SLIDE SUNROOF
(SHD)
5410.4ELECTRIC FOLDING SUNROOF


6100.0


CENTRAL BODY
ELECTRONICS (ZKE IV)

6133.0
HORN


6135.0


DRIVE–AWAY PROTECTION
(EWS II)




6160.1



WIPER/WASHER MODULE
(WWM)




6169.0



WINDSHIELD WASHER JET
HEATERS

6211.0
INSTRUMENT CLUSTER
6213.0DIGITAL CLOCK
6300.0
LIGHT SWITCH DETAILS
6312.0
HEADLIGHTS/FOG LIGHTS
6313.0
TURN/HAZARD LIGHTS



6314.0



PARK/TAIL/UNDERHOOD
LIGHTS




6320.0



LICENSE PLATE/LUGGAGE
COMPARTMENT LIGHTS

6322.0
BACK UP LIGHTS

6325.0
BRAKE LIGHTS

6330.3
INTERIOR LIGHTS

6332.0
INTERIOR ACCESSORIES
6350.0CRASH CONTROL MODULE
6410.7
HEATING CONTROL (HS)
6424.0
REAR WINDOW DEFOGGER


6450.6


INTEGRATED HEATING–
AND CLIMATE CONTROL

6510.0
RADIO/STEREO

6510.1
RADIO/HIFI




6561.0



CELLULAR TELEPHONE
(PROVISIONS)




6571.0



CRUISE CONTROL
(TEMPOMAT)

6575.2
ANTI–THEFT SYSTEM (ALPINE)

6581.3
BOARD COMPUTER
(BC – LOW)



7000.0


COMPONENT LOCATION
CHART



7100.0


COMPONENT LOCATION
VIEWS

8000.0
SPLICE LOCATION VIEWS

8500.0
CONNECTOR VIEWS




INDEX







!
 

FUEL PUMP RELAY, K6301w 1210.20-03. . . . . . . . . . . . . . . . . . . . . .
FUEL PUMP, M2 1210.20-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL TANK PRESSURE SENSOR, B72 1210.20-04. . . . . . . . . . . . .
FUEL TANK SENSOR II, B25y 6211.0-04. . . . . . . . . . . . . . . . . . . . . . .
FUEL TANK SENSOR II, B25y 6581.3-00. . . . . . . . . . . . . . . . . . . . . . .
FUSE CHART 0670.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUSE DETAILS 0670.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUSIBLE LINK, F97 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAS FILLER LOCK MOTOR, M16 5126.0-03. . . . . . . . . . . . . . . . . . .
GENERATOR, G6509 1230.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GLOVE BOX LIGHT SWITCH, S37 6332.0-00. . . . . . . . . . . . . . . . . . .
GLOVE BOX LIGHT, E42 6332.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
GROUND DISTRIBUTION 0670.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HALL EFFECT CAMSHAFT SENSOR, B6209 1210.20-03. . . . . . . .
HAZARD FLASHER RELAY, K16 6313.0-00. . . . . . . . . . . . . . . . . . . .
HAZARD SWITCH, S18 6313.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, LEFT, E7 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, RIGHT, E8 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 6160.1-03. . . . . . . .
HEADLIGHTS/FOG LIGHTS 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
HEATED SEATS 5203.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEATING CONTROL (HS) 6410.7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIFI AMPLIFIER, A18 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT RELAY, K46 6312.0. . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT, LEFT, E11 6312.0. . . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT, RIGHT, E12 6312.0. . . . . . . . . . . . . . . . . . . . . . . .
HIGH LEVEL STOP LIGHT, H34 6325.0-00. . . . . . . . . . . . . . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.0-00. . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.1-03. . . . . . . . .
HIGH RANGE SPEAKER, LEFT REAR, H56 6510.1-01. . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.0-00. . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.1-03. . . . . . . . HIGH RANGE SPEAKER, RIGHT REAR, H53 6510.1-02. . . . . . . . .
HIGH SPEED RELAY, K22 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . .
HORN 6133.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN RELAY, K2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN SWITCH, S4 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN, LEFT, H2 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN, RIGHT, H3 6133.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6217 1210.20-05. . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.20-01. . . . . . . . . . . . .
IGNITION COIL, CYL. 1, T6151 1210.20-02. . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.20-02. . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.20-02. . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.20-02. . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 0670.2-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SWITCH, S2 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IHKS CONTROL SWITCH, S530 6450.6-01. . . . . . . . . . . . . . . . . . . . .
INDEX 0100.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTRUMENT CLUSTER 6211.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTRUMENT CLUSTER, A2w 6211.0. . . . . . . . . . . . . . . . . . . . . . . . .
INTAKE AIR RESONANCE CHANGEOVER VALVE,
Y6131 1210.20-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTAKE AIR TEMPERATURE SENSOR, B6205 1210.20-04. . . . . .
INTEGRATED HEATING– AND CLIMATE
CONTROL MODULE, A107 6450.6. . . . . . . . . . . . . . . . . . . . . . . . . . .
INTEGRATED HEATING– AND CLIMATE CONTROL 6450.6. . . . .
INTERIOR ACCESSORIES 6332.0. . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERIOR LIGHTS 6330.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INTERMEDIATE PRESSURE SWITCH, B9 6450.6-03. . . . . . . . . . . .
INTRODUCTION 0110.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JET HEATER THERMOSWITCH, S198 6169.0-00. . . . . . . . . . . . . . .
KICK–DOWN SWITCH, S8507 2460.2-04. . . . . . . . . . . . . . . . . . . . . .
KNOCK SENSOR, B6240 1210.20-04. . . . . . . . . . . . . . . . . . . . . . . . . .


 







!



CIRCUIT BREAKERVARIABLE RESISTANCE
SENSOR VARIABLE
CONTACT IS MOVED BY
AN EXTERNAL FORCE
VARIABLE RESISTOR
RESISTANCE IS
CHANGED BY
TEMPERATURE OR
PRESSURE
DIODE CURRENT
CAN FLOW ONLY IN
DIRECTION OF
ARROW
ZENER DIODE TO
REGULATE VOLTAGE
LIGHT EMITTING
DIODE PERMANENT MAGNET
MOTOR ONE SPEED
PERMANENT MAGNET
MOTOR TWO SPEEDS
SOLENOID
SOLENOID CONTROLLED
VALVE OR CLUTCH
SOLENOIDTRANSISTORIZED
SWITCH HEATING ELEMENT
OXYGEN SENSORCONTROL/POWER
ELECTRONICS
RADIO LOUDSPEAKER OR
HORN
LIGHT BATTERY
FUSIBLE LINK
FUSE DETAILS
INDUCTIVE
SENSOR
KNOCK SENSOR
31


VEHICLE SPEED
SENSOR

THERMO SWITCH
HALL EFFECT
SENSOR
ANTENNA
0140.0 SYMBOLS

5A 5A




FUSE CHART



FUSES 1 TO 29

!


FUSE NUMBER
12345 10 206 7 8 9 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29
30A 5A 30A 15A 30A 30A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 7.5A20A 15A 30A 5A30A 15A 10A
6314.0PARK/TAIL/UNDERHOOD LIGHTS
6350.0CRASH CONTROL MODULE 6325.0
6330.3
6332.0BRAKE LIGHTS
INTERIOR LIGHTS
INTERIOR ACCESSORIES 6322.0BACK UP LIGHTS

6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6410.7
6450.6
6510.0
6510.1INTEGRATED HEATING– AND CLIMATE CONTROL HEATING CONTROL (HS)
RADIO/CD PLAYER (PROVISIONS)
RADIO/HIFI
6561.0CELLULAR TELEPHONE (PROVISIONS)
6571.0CRUISE CONTROL (TEMPOMAT)
 


 

6300.0
6312.0
6313.0
 

LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS
 
  

6575.2ANTI–THEFT SYSTEM (ALPINE)

6424.0REAR WINDOW DEFOGGER 
6213.0CLOCK
6581.3BOARD COMPUTER (BC – LOW)






FUSE CHART




!


FUSE NUMBER

40





   
   


FUSES 30 TO 48

7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 15A 7.5A 15A30A 10A 5A7.5A

15A
   
 
 
 
 

6314.0PARK/TAIL/UNDERHOOD LIGHTS
6350.0CRASH CONTROL MODULE 6325.0
6330.3
6332.0BRAKE LIGHTS
INTERIOR LIGHTS
INTERIOR ACCESSORIES 6322.0BACK UP LIGHTS 6320.0LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS
6410.7
6450.6
6510.0
6510.1INTEGRATED HEATING– AND CLIMATE CONTROL HEATING CONTROL (HS)
RADIO/CD PLAYER (PROVISIONS)
RADIO/HIFI
6561.0CELLULAR TELEPHONE (PROVISIONS)
6571.0CRUISE CONTROL (TEMPOMAT) 6300.0
6312.0
6313.0LIGHT SWITCH DETAILS
HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS
  

6575.2ANTI–THEFT SYSTEM (ALPINE)

40A


6424.0REAR WINDOW DEFOGGER


6213.0CLOCK

6581.3BOARD COMPUTER (BC – LOW)





FUSE 23




!


FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX F23
5A
X85
1X1076
X132747
Y4z
WATER VALVEM111
FRESH AIR
RECIRCULATION
MOTOR
S7
COMBINATION
SWITCH
X174
A2w
INSTRUMENT
CLUSTER
X2924
K13
REAR DEFOGGER
RELAY
X183332
E97
LIGHT SWITCH
ILLUMINATION
X638
K9
UNLOADER RELAY,
TERMINAL 15
.5 GN/GE
5203.0 6300.0
6424.0 6312.0
6313.01 X35
1 GN/GE
1 GN/GE
.5 GEX35
4.5 GN/GE 1 GN/BL
.75 GN/GE.5 GN/BL
.5 GN/BL.5 GN/BL .5 GN/BL 1.5 GN/BL
6211.0
6450.6 6450.6 6450.6.5 GN/BL
X100176
X32
9
X897
S530
IHKS CONTROL
SWITCH
X183342
E98
FOG LIGHT
SWITCH
ILLUMINATION
6312.0 .5 GN/BL
X15171
 

X15188 .5 GN/GE
6424.0S218
REAR DEFOGGER
SWITCH
WITH HEATING
CONTROL (HS)WITH INTEGRATED
HEATING– AND CLIMATE
CONTROL (IHKS)
6450.6




GROUND DISTRIBUTION
GROUND X10012





!

X7712B14
EVAPORATOR
TEMPERATURE
SENSOR
2.5 BR.35 BR
X132741S530
IHKS CONTROL
SWITCH2
2
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
.5 BR .5 BR .5 BR
X818
.5 BR
M30
BLOWER MOTOR
X817
1
2.5 BR
X102344S531
TEMPERATURE
WHEEL SWITCH
.5 BR
X15222M111
FRESH AIR
RECIRCULATION
MOTOR
X1517
X11250
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE 

X359
2.5 BR
0670.4-16
M30
BLOWER MOTOR
X13287
1
2.5 BR
X15181S218
REAR DEFOGGER
SWITCH
X15222E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
X18782
.35 BR .35 BR
2.5 BR
WITH HEATING
CONTROL (HS)WITH INTEGRATED
HEATING– AND
CLIMATE CONTROL
(IHKS)
2.5 BR

49
50
22
23
65Y199
CARBON
CANISTER VALVE 1210.20-08


!
44 162078308546 X6000
1210.20-00
27K6300
ENGINE CONTROL
MODULE RELAY
S2
IGNITION SWITCH
31Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE
Y6104
CYL. 4 FUEL
INJECTION VALVE 1210.20-01
26
1210.20-02
RXD
TXD 87
88
R6252
THROTTLE
POSITION
SENSOR 1210.20-04B6205
INTAKE AIR
TEMPERATURE
SENSOR 1210.20-04
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.20-03
B62001
OXYGEN SENSOR
(IN FRONT OF
CATALYTIC
CONVERTER) 1210.20-03
Y6120
EVAPORATIVE
EMISSION VALVE 1210.20-01
61
A8500
TRANSMISSION
CONTROL
MODULE (EGS) 1210.20-05A6000
ENGINE CONTROL
MODULE (DME)
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL 1210.20-02
X6000

X6000
862853X6000
54
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 1210.20-00
11
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
1210.20-07
B9508
PRESSURE
SWITCH
1210.20-05
S36y
DOUBLE
TEMPERATURE
SWITCH
68
1210.20-05
K21
NORMAL SPEED
RELAY
5758Y6131
INTAKE AIR RES-
ONANCE
CHANGEOVER
VA LV E 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002
7

7
B6209
HALL EFFECT
CAMSHAFT
SENSOR 1210.20-03
B6217
HOT FILM AIR
MASS METER
45
1210.20-05
1721
F1815A
P90
FRONT POWER
DISTRIBUTION
BOX
M2
FUEL PUMPK6301w
FUEL PUMP
RELAY
1210.20-031210.20-03
631210.20-0360
D100
DATA LINK
CONNECTOR
56
K6326
UNLOADER RELAY,
TERMINAL 15 1210.20-02
1210.20-04
A836
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS II)
10
A35y
BOARD COMPUTER
(BC – LOW)
838
A2w
INSTRUMENT
CLUSTER
4280
1210.20-07
S530
IHKS CONTROL
SWITCH
69
1210.20-07
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
F165AP90
FRONT POWER
DISTRIBUTION BOX
36K19
COMPRESSOR
CONTROL RELAY
1210.20-07
86
85
19177
B6240
KNOCK SENSOR 1210.20-04
407071
B62002
OXYGEN SENSOR
(BEHIND
CATALYTIC
CONVERTER) 1210.20-03
74
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1210.20-04
34 556
1210.20-05
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
79
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-05
323
SPARK PLUGS1210.20-04
1210.20-06 1210.20-05
ASC ABS 4
POWER
DISTRIBUTION
0670.2
POWER
DISTRIBUTION
0670.2
1210.20-07
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
Y6133
AIR PUMPK6304
SECONDARY AIR
PUMP RELAY
1210.20-081210.20-08
POWER
DISTRIBUTION
0670.2
Y6163
SECONDARY AIR
PUMP VALVE 1210.20-08
66Y6263
FUEL CHANGE-
OVER VALVE 1210.20-08
P90
FRONT POWER
DISTRIBUTION
BOX 1210.20-08F25A
1210.20-04
B72
FUEL TANK
PRESSURE
SENSOR
72
64
* *
*
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)