heating BMW 318ti 1999 E36 Electrical Troubleshooting Manual

BMW NA
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36/5 (318ti)
SCHEMATICS MODEL YEAR 1999
0100.0 INDEX
0110.0 INTRODUCTION
0140.0 SYMBOLS
0670.0POWER 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)
3450.1 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)
5410.4 ELECTRIC FOLDING SUNROOF
6100.0 CENTRAL BODY
ELECTRONICS (ZKE IV)
6133.0 HORN
6135.1
DRIVE–AWAY PROTECTION
(EWS III)


6160.1

WIPER/WASHER MODULE
(WWM)


6169.0

WINDSHIELD WASHER JET
HEATERS
6211.0 INSTRUMENT CLUSTER
6213.0 DIGITAL CLOCK
6300.0 LIGHT SWITCH DETAILS
6312.0HEADLIGHTS/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
6350.0 CRASH CONTROL MODULE
6410.7 HEATING CONTROL (HS)
6424.0REAR 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, 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 6312.0-02. . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . .
LICENSE PLATE LIGHT, LEFT, E43 6320.0-00. . . . . . . . . . . . . . . . . .


 











CIRCUIT BREAKERVARIABLE RESIS-
TANCE SENSOR
VARIABLE CON-
TACT IS MOVED BY
AN EXTERNAL
FORCE
VARIABLE RESIS-
TOR RESISTANCE
IS CHANGED BY
TEMPERATURE OR
PRESSURE
DIODE CURRENT
CAN FLOW ONLY IN
DIRECTION OF AR-
ROW
ZENER DIODE TO
REGULATE VOLT-
AGE
LIGHT EMITTING
DIODE PERMANENT MAG-
NET MOTOR ONE
SPEED
PERMANENT MAG-
NET MOTOR TWO
SPEEDS SOLENOID
SOLENOID CON-
TROLLED 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



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) 6312.0
6313.0HEADLIGHTS/FOG LIGHTS
TURN/HAZARD LIGHTS





6575.2ANTI–THEFT SYSTEM (ALPINE)


40A




6424.0REAR WINDOW DEFOGGER





6581.3BOARD COMPUTER (BC – LOW)

6300.0LIGHT SWITCH DETAILS





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 HEAT-
ING– 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
RESONANCE
CHANGEOVER
VA LV E 1210.20-01
Y6130
IDLE SPEED
CONTROL VALVE 1210.20-01
29 X60002



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
A837
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS III)
10
A35y
BOARD
COMPUTER
(BC – LOW)
838A2w
INSTRUMENT
CLUSTER4280
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 55679
A52
SLIP CONTROL
MODULE
(ABS/ASC) 1210.20-05
323
SPARK PLUGS1210.20-04
1210.20-06 1210.20-05
4
POWER
DISTRIBUTION
0670.2POWER
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 1210.20-08
F25A
1210.20-04
B72
FUEL TANK
PRESSURE
SENSOR
72
64
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)


 



 
Pin Assignments

E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
AOxygen sensor heating (–)Oxygen sensor (behind catalytic converter)
2AActivate valveIdle speed control valve
3AActivate valveCyl. 1 fuel injection valve
4AActivate valveCyl. 4 fuel injection valve
5Not used
6MGround, fuel injection valve output stagesGround point
7Not used
8A“Check engine” indicator controlInstrument cluster
9Not used
10EDrive away protection signalElectronic immobilizer control module (EWS
III)
11EActivate A/CPressure switch
12Not used
13Not used
14Not used
15Not used
16EIntake air temperatureIntake air temperature sensor
17ESignal inputHot film air mass meter
18Not used
19EOxygen sensor signalOxygen sensor (in front of catalytic
converter)
20ECrankshaft position/RPMCrankshaft position/RPM sensor
21ECamshaft positionHall effect camshaft sensor
22ACyl. 3 ignition coil controlCyl. 3 ignition coil
23ACyl. 4 ignition coil controlCyl. 4 ignition coil
24Not used
25Not used
26EBattery voltageB+ junction point
27AEngine control module relay controlEngine control module relay, terminal 85
28MGround for electronics and shielding of
sensorsGround point


 




Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
29
AIdle speed control valve controlIdle speed control valve
30AOxygen sensor heating (–)Oxygen sensor (in front of catalytic
converter)
31AActivate valveCyl. 3 fuel injection valve
32AActivate valveCyl. 2 fuel injection valve
33Not used
34MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
35Not used
36AA/C compressor cut-outCompressor control relay
37Not used
38Not used
39Not used
40ECyl. 3-4 knock sensorKnock sensor
41Not used
42ETI-measurement signal (fuel consumption)Instrument cluster
43Not used
44EThrottle positionThrottle position sensor
45MGroundHot film air mass meter
46MSensor groundOxygen sensors
47Not used
48Not used
49ACyl. 1 ignition coil controlCyl. 1 ignition coil
50ACyl. 2 ignition coil controlCyl. 2 ignition coil
51Not used
52Not used
53AComponent supply (+)Throttle position sensor/Fuel tank pressure
sensor
54EBattery voltage from engine control module
relayEngine control module relay, terminal 87
55MGround, ignitionGround point
56EIgnition switch, terminal 15Ignition switch, terminal 15
57AActivate auxiliary fanNormal speed relay