1999 BMW 318ti heater

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. . . . . . . . . . . . . . . . . .




INDEX








 

RADIO/STEREO 6510.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVERSING LIGHT SWITCH, S8511 6322.0-00. . . . . . . . . . . . . . . .
SEAT BELT SWITCH, DRIVER’S, S58 3234.0-02. . . . . . . . . . . . . . . .
SEAT BELT SWITCH, PASSENGER’S, S59 3234.0-02. . . . . . . . . . .
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 5200.0-00. . . . .
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 5200.0-01.
SEAT CUSHION TILT MOTOR, DRIVER’S, M50 5200.0-00. . . . . . .
SEAT CUSHION TILT MOTOR, PASSENGER’S, M61 5200.0-01. .
SEAT HEATER SWITCH, DRIVER’S SEAT, S53 5203.0-00. . . . . . .
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 5203.0-00. .
SEAT HEATER, DRIVER’S, E57 5203.0-00. . . . . . . . . . . . . . . . . . . . .
SEAT HEATER, PASSENGER’S, E58 5203.0-00. . . . . . . . . . . . . . . .
SEAT HEIGHT MOTOR, DRIVER’S, M52 5200.0-00. . . . . . . . . . . . .
SEAT HEIGHT MOTOR, PASSENGER’S, M59 5200.0-01. . . . . . . .
SEAT MAT, I1008 3234.0-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEAT MOVEMENT MOTOR, DRIVER’S, M51 5200.0-00. . . . . . . . .
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 5200.0-01. . . .
SEAT OCCUPANCY DETECTOR, A113 3234.0-03. . . . . . . . . . . . . .
SEATBACK HEATER, DRIVER’S, E56 5203.0-00. . . . . . . . . . . . . . . .
SEATBACK HEATER, PASSENGER’S, E59 5203.0-00. . . . . . . . . . .
SEATBACK RECLINER MOTOR, DRIVER’S, M53 5200.0-00. . . . .
SEATBACK RECLINER MOTOR, PASSENGER’S, M58 5200.0-01
SECONDARY AIR PUMP RELAY, K6304 1210.20-08. . . . . . . . . . . .
SECONDARY AIR PUMP VALVE, Y6163 1210.20-08. . . . . . . . . . . .
SHIFT–LOCK, Y19 2460.2-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIDE IMPACT SENSOR, DRIVER’S, B78 3234.0-01. . . . . . . . . . . . .
SIDE IMPACT SENSOR, PASSENGER’S, B79 3234.0-01. . . . . . . .
SLIP CONTROL (ABS/ASC) 3450.1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
SLIP CONTROL MODULE (ABS/ASC), A52 3450.1. . . . . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.0-00. . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, LEFT REAR, H46 6510.1-01. . . . . . . . . . . . . . . . . . . . . . .
SPEAKER, RIGHT REAR, H45 6510.0-00. . . . . . . . . . . . . . . . . . . . . . SPEAKER, RIGHT REAR, H45 6510.1-02. . . . . . . . . . . . . . . . . . . . . .
SPEED SENSOR – ABS, LEFT FRONT, B2 3450.1-03. . . . . . . . . . .
SPEED SENSOR – ABS, LEFT REAR, B4 3450.1-03. . . . . . . . . . . .
SPEED SENSOR – ABS, RIGHT FRONT, B1 3450.1-03. . . . . . . . . .
SPEED SENSOR – ABS, RIGHT REAR, B3 3450.1-03. . . . . . . . . . .
SPLICE LOCATION VIEWS 8000.0. . . . . . . . . . . . . . . . . . . . . . . . . . . .
START 1240.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
STARTER IMMOBILIZATION SWITCH, S235 6135.1-00. . . . . . . . . .
STARTER, M6510 1240.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUBWOOFER, H66 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 3234.0. . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL
MODULE, A12 3234.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYMBOLS 0140.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H25 6314.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, LEFT, H37 6314.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H30 6314.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAIL LIGHT, RIGHT, H39 6314.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TELEPHONE CONNECTOR 6561.0-00. . . . . . . . . . . . . . . . . . . . . . . .
TEMPERATURE WHEEL SWITCH, S531 6450.6-01. . . . . . . . . . . . .
THROTTLE POSITION SENSOR (ASC), R6255z 3450.1-00. . . . . .
THROTTLE POSITION SENSOR, R6252 1210.20-04. . . . . . . . . . . .
TILT/SLIDE SUNROOF CONTROL ASSEMBLY, A56 5410.1. . . . . .
TILT/SLIDE SUNROOF SWITCH (SHD), S38 5410.1-01. . . . . . . . . .
TRANSMISSION CONTROL MODULE (EGS), A8500 2460.2. . . . .
TRANSMISSION POSITION INDICATOR LIGHT, E82 6300.0-01. .
TRANSMISSION VALVE UNIT, Y8505y 2460.2-03. . . . . . . . . . . . . . .
TURN LIGHT, LEFT FRONT, H7 6313.0-02. . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT FRONT, H7 6314.0-00. . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, LEFT REAR, H6 6313.0-03. . . . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT FRONT, H4 6313.0-02. . . . . . . . . . . . . . . . . . . .
TURN LIGHT, RIGHT FRONT, H4 6314.0-00. . . . . . . . . . . . . . . . . . . .




INDEX








 

TURN LIGHT, RIGHT REAR, H5 6313.0-03. . . . . . . . . . . . . . . . . . . . .
TURN/HAZARD LIGHTS 6313.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15 K6326 1210.20-02. . . . . . . . . . .
UNLOADER RELAY, TERMINAL 15, K9 5203.0-00. . . . . . . . . . . . . .
VEHICLE SPEED SENSOR, B10 6211.0-04. . . . . . . . . . . . . . . . . . . .
WASHER JET HEATER, LEFT, E51 6169.0-00. . . . . . . . . . . . . . . . . .
WASHER JET HEATER, RIGHT, E52 6169.0-00. . . . . . . . . . . . . . . . .
WASHER PUMP, M4 6160.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER VALVE, Y4z 6450.6-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WINDOW DEFOGGER/ANTENNA, REAR, 6424.0. . . . . . . . . . . . . .
WINDOW MOTOR, DRIVER’S, M21 5133.0-02. . . . . . . . . . . . . . . . . .
WINDOW MOTOR, PASSENGER’S, M23 5133.0-02. . . . . . . . . . . . .
WINDSHIELD WASHER JET HEATERS 6169.0. . . . . . . . . . . . . . . . .
WIPER MOTOR, M3 6160.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER INTERVAL CONTROL MODULE, REAR,
A36 6160.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER MODULE (LOW II), A64 6160.1-00. . . . . . . . . . . .
WIPER/WASHER MODULE (WWM) 6160.1. . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER MODULE, A51 6160.1. . . . . . . . . . . . . . . . . . . . . . .
WIPER/WASHER SWITCH, S5 6160.1. . . . . . . . . . . . . . . . . . . . . . . . .
ZKE CENTRAL LOCKING (ZV) 5126.0. . . . . . . . . . . . . . . . . . . . . . . . .
ZKE POWER WINDOWS (FH) 5133.0. . . . . . . . . . . . . . . . . . . . . . . . . .

5133.0ZKE POWER WINDOWS (FH)

5203.0
5410.4HEATED SEATS
ELECTRIC FOLDING SUNROOF




6100.0
6133.0
6160.1CENTRAL BODY ELECTRONICS (ZKE IV)
HORN
WIPER/WASHER MODULE (WWM)






5126.0
ZKE CENTRAL LOCKING (ZV)

6135.1DRIVE–AWAY PROTECTION (EWS III)

6169.0WINDSHIELD WASHER JET HEATERS

5410.1POWER TILT/SLIDE SUNROOF (SHD)





0670.1 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
1230.0
2460.2
3234.0
3450.1
5116.0
30A 5A 30A 15A 30A 30A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A


20A 15A 30A 5A 5A
CHARGING SYSTEM
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
POWER MIRRORS SLIP CONTROL (ABS/ASC)
30A 15A 10A
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) 1210.20ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)







 




1240.0START






5200.0POWER SEATS

6211.0
INSTRUMENT CLUSTER

6213.0CLOCK




FUSE CHART



FUSES 30 TO 48




FUSE NUMBER
39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 15A 7.5A 15A30A 10A

40






   
38 37 36 35
5A7.5A

15A


 




1230.0
2460.2
3234.0
5116.0CHARGING SYSTEM
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
POWER MIRRORS SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
5133.0ZKE POWER WINDOWS (FH)
5203.0
5410.1HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD)
6100.0
6133.0
6160.1
6169.0CENTRAL BODY ELECTRONICS (ZKE IV)
HORN
WIPER/WASHER MODULE (WWM)
WINDSHIELD WASHER JET HEATERS 5126.0ZKE CENTRAL LOCKING (ZV) 1240.0START









6135.1DRIVE–AWAY PROTECTION (EWS III)



40A






3450.1SLIP CONTROL (ABS/ASC)
5410.4ELECTRIC FOLDING SUNROOF


5200.0POWER SEATS

6211.0INSTRUMENT CLUSTER


6213.0CLOCK


1210.20ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)





FUSES 24 AND 25







FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
F25
5A
X6254
S17
MIRROR CONTROL
SWITCH
5116.0 F24
10A
X1320
X25718 .75 GN/SW
.75 GN/SW .75 GN/SW
.75 GN/SW
8X1001710
S8
LIGHT SWITCH
X11481
S198
JET HEATER
THERMOSWITCHX18337
6300.0
6312.0 46169.0 .75 GN/SW
 

X10020
.35 GN/RT
K46
HIGH BEAM LIGHT
RELAYX10262
6312.0 5
.35 GN/RT
X11264
.35 GN/RT
X6244
Y6
PASSENGER’S
SIDE MIRROR
5116.0
X2568 .5 GN/SW
.5 GN/SW
X1396
.75 GN/SW


X1061E52
RIGHT WASHER
JET HEATER
GROUND DISTRIBUTION
GROUND X173








X1112B18
BRAKE FLUID
LEVEL SWITCH
X1051E51
LEFT WASHER JET
HEATER
X10007
K48
LOW BEAM LIGHT
RELAY
4 BR
1
M3
WIPER MOTOR
X333

S235
STARTER
IMMOBILIZATION
SWITCH
X454 .75 BR.35 BR 2.5 BR .35 BR
.35 BRX102624K46
HIGH BEAM LIGHT
RELAY
.35 BRX648K16
HAZARD FLASHER
RELAY
.75 BR
.75 BR
0670.4-04
1 X18994
H9
LEFT FRONT
AUXILIARY TURN
LIGHT X389
1
A64
WIPER/WASHER
MODULE (LOW II)
X285
7
.5 BR 2.5 BR
K4
BLOWER RELAY
X58
4
.5 BR