horn BMW 323i 1999 E36 Electrical Troubleshooting Manual

BMW NA
ELECTRICAL TROUBLESHOOTING
MANUAL
SERIES 3 – E36 (318i, 323i, 328i, M3, COUPE AND
CONVERTIBLE)
SCHEMATICS MODEL YEAR 1999
0100.0 INDEX
0110.0INTRODUCTION 0140.0 SYMBOLS 0670.0 POWER DISTRIBUTION CHART 0670.1 FUSE CHART
0670.2 POWER DISTRIBUTION
0670.3 FUSE DETAILS
0670.4 GROUND DISTRIBUTION
0670.5DATA LINK
1210.17
ENGINE CONTROL SYSTEM
MS41.1 (6–CYLINDER M52)


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)

2460.4
ELECTRONIC TRANSMISSION
CONTROL (EGS A5S 310Z)


3234.0

SUPPLEMENTAL RESTRAINT
SYSTEM (AIR BAG)
3450.1 SLIP CONTROL (ABS/ASC)
5116.0 POWER MIRRORS
5120.0ZKE DOOR LOCK HEATING (TSH) 5126.0 ZKE CENTRAL LOCKING (ZV) 5133.1 POWER WINDOWS (FH) 5200.0 POWER SEATS
5203.0 HEATED SEATS


5410.1

POWER TILT/SLIDE SUNROOF
(SHD)
5430.1ELECTRICAL CONVERTIBLE TOP
6100.0
CENTRAL BODY ELECTRONICS
(ZKE IV)
6133.0 HORN


6135.0

DRIVE–AWAY PROTECTION
(EWS II)
6160.1 WIPER/WASHER MODULE (WWM)
6167.1HEADLIGHT WASHER (SRA)
6169.0
WINDSHIELD WASHER JET
HEATERS
6211.0 INSTRUMENT CLUSTER
6213.1 ANALOG CLOCK
6213.2 MULTI–FUNCTION CLOCK
6214.0 ON–BOARD DISPLAY




0100.0 INDEX









ABS HYDRAULIC UNIT, Y1 3450.1-06. . . . . . . . . . . . . . . . . . . . . . . . .
ABS HYDRAULIC UNIT, Y1w 3450.1-01. . . . . . . . . . . . . . . . . . . . . . . .
ABS PEDAL TRAVEL SENSOR, S123 3450.1-01. . . . . . . . . . . . . . . .
ABS PUMP MOTOR RELAY, TIMED, K125 3450.1-00. . . . . . . . . . . .
ABS PUMP MOTOR RELAY, TIMED, K125 3450.1-05. . . . . . . . . . . .
ABS RELAY, K10 3450.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR BAG GAS GENERATOR, DRIVER’S, G5 3234.0-00. . . . . . . . . .
AIR BAG GAS GENERATOR, LEFT SIDE, G14 3234.0-01. . . . . . . .
AIR BAG GAS GENERATOR, PASSENGER’S, G6 3234.0-00. . . . .
AIR BAG GAS GENERATOR, RIGHT SIDE, G15 3234.0-01. . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.7-04. . . . . . . . . . . . .
AIR PUMP, Y6133 1210.17-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.20-09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK 6213.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK, N5 6213.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANTENNA AMPLIFIER AM/FM, N8 6424.0. . . . . . . . . . . . . . . . . . . . . .
ANTI–THEFT CONTROL MODULE (ALPINE), N12w 6575.2. . . . . .
ANTI–THEFT HORN (ALPINE), H1w 6575.2-02. . . . . . . . . . . . . . . . .
ANTI–THEFT SYSTEM (ALPINE) 6575.2. . . . . . . . . . . . . . . . . . . . . . .
ASC DIODE, V7 3450.1-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6300.0-01. . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, REAR, E28y 6300.0-01. . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC CLIMATE CONTROL MODULE, A115 6450.7. . . . . . .
AUTOMATIC TRANSMISSION RANGE SWITCH, S3 2460.. . . . . . .
AUXILIARY FAN MOTOR,
M9 6450.7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUXILIARY FUSE BOX IN LUGGAGE COMPARTMENT,
P96 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-03. . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-02
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-07
AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-04. . . .
AUXILIARY TURN LIGHT, LEFT FRONT, H9 6313.0-02. . . . . . . . . .
AUXILIARY TURN LIGHT, RIGHT FRONT, H8 6313.0-02. . . . . . . . .
B+ JUMP START JUNCTION POINT, G6430 0670.2. . . . . . . . . . . . .
BACK UP LIGHT, LEFT, H27 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, RIGHT, H28 6322.0-00. . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHTS 6322.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6410.5-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6412.10-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6412.20-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.7-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6410.5-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6412.10-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6412.20-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.7-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6410.5-01. . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6412.10-01. . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6410.5-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6412.10-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
BODY ELECTRONICS CONTROL MODULE
(ZKE IV), A104 6100.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .




INDEX








FUEL TANK PRESSURE SENSOR, B72 1210.17-10. . . . . . . . . . . . .
FUEL TANK PRESSURE SENSOR, B72 1210.20-05. . . . . . . . . . . . .
FUEL TANK SENSOR II, B25y 6211.0-04. . . . . . . . . . . . . . . . . . . . . . .
FUSE CHART 0670.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUSE DETAILS 0670.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAS FILLER LOCK MOTOR, M16 5126.0-00. . . . . . . . . . . . . . . . . . .
GEAR SHIFT LEVER INDICATOR, E96 6300.0-01. . . . . . . . . . . . . . .
GENERATOR, G6509 1230.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GLOVE BOX LIGHT, E42 6332.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . .
GLOVE BOX LIGHT/CASSETTE BOX/ASHTRAY LIGHT/
CHARGING SOCKET/CIGAR LIGHTER 6332.1. . . . . . . . . . . . . . . .
GLOVE BOX LOCK MOTOR, M107 5126.0-00. . . . . . . . . . . . . . . . . .
GROUND DISTRIBUTION 0670.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HALL EFFECT CAMSHAFT SENSOR, B6209 1210.20-04. . . . . . . .
HARD TOP CONNECTOR 1, E99 5430.1-00. . . . . . . . . . . . . . . . . . . .
HARD TOP CONNECTOR 2, E100y 6330.3-03. . . . . . . . . . . . . . . . . .
HAZARD FLASHER RELAY, K16 6313.0-00. . . . . . . . . . . . . . . . . . . .
HAZARD SWITCH, S18 6313.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT WASHER (SRA) 6167.1. . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, LEFT, E7 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, LEFT, E7 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, RIGHT, E8 6313.0-02. . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT, RIGHT, E8 6314.0-01. . . . . . . . . . . . . . . . . . . . . . . . . . . .
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 6167.1-00. . . . . . . .
HEADLIGHTS/FOG LIGHTS 6312.0. . . . . . . . . . . . . . . . . . . . . . . . . . .
HEAT EXCHANGER TEMPERATURE SENSOR, LH, B11 6410.5-01
HEAT EXCHANGER TEMPERATURE SENSOR, LH, B11 6450.7-02
HEAT EXCHANGER TEMPERATURE SENSOR, RH, B126450.7-02HEATED SEATS 5203.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIFI AMPLIFIER, A18 6510.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT RELAY, K46 6312.0-01. . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT, LEFT, E11 6312.0-01. . . . . . . . . . . . . . . . . . . . . .
HIGH BEAM LIGHT, RIGHT, E12 6312.0-01. . . . . . . . . . . . . . . . . . . . .
HIGH LEVEL STOP LIGHT, H34 6325.0. . . . . . . . . . . . . . . . . . . . . . . .
HIGH LEVEL STOP LIGHT/REAR SPOILER, H34z 6325.0. . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.0-00. . . . . . . . .
HIGH RANGE SPEAKER, LEFT FRONT, H59 6510.1-01. . . . . . . . .
HIGH RANGE SPEAKER, LEFT REAR, H56 6510.1. . . . . . . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.0-00. . . . . . . .
HIGH RANGE SPEAKER, RIGHT FRONT, H50 6510.1-02. . . . . . . .
HIGH RANGE SPEAKER, RIGHT REAR, H53 6510.1. . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.7-05. . . . . . . . . . . . . . . . . . . . . . . . . .
HIGH SPEED RELAY, K22 6450.7-06. . . . . . . . . . . . . . . . . . . . . . . . . .
HORN 6133.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HORN RELAY (ALPINE), K108 6575.2-02. . . . . . . . . . . . . . . . . . . . . .
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, B6207 1210.17-05. . . . . . . . . . . . . . .
HOT FILM AIR MASS METER, B6217 1210.20-06. . . . . . . . . . . . . . .
IDLE SPEED CONTROL VALVE, Y6130 1210.. . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 1, T6151 1210.. . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 2, T6152 1210.. . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 3, T6153 1210.. . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION COIL, CYL. 4, T6154 1210.. . . . . . . . . . . . . . . . . . . . . . . . . .













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 (LED) 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

23
K48
LOW BEAM LIGHT
RELAY 11 12 13456789
38
37
35
34
33
32
31 42
41
40
39 43 44

0670.0 POWER DISTRIBUTION CHART
FRONT POWER DISTRIBUTION BOX










K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K13
REAR DEFOGGER
RELAYK10
ABS RELAYK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY K6300
ENGINE CONTROL
MODULE RELAYK6301w
FUEL PUMP RELAY
X56X44X45X64X58
X292X54
X53X51X52
X6300X630146
45
36110
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K6304
SECONDARY AIR
PUMP RELAYX6304
X11393K125
ABS PUMP MOTOR
RELAY, TIMEDK6301
CYL. 1–6 FUEL
PUMP RELAY




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
1210.20
1230.0
1240.0
3234.0
3450.1
5116.0



30A 5A 30A 15A 30A 20A 5A 30A 7.5A 7.5A 5A 15A 5A 5A 5A 10A 5A 7.5A


20A15A 30A 5A 5A
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS 2460.4


ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)

5A 30A 15A 10A 10A
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
30A









1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
5126.0

ZKE CENTRAL LOCKING (ZV)

5430.1
6100.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV) 5133.1
5200.0
5203.0
5410.1


POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD)













6133.0HORN

6135.0DRIVE–AWAY PROTECTION (EWS II)




5120.0
ZKE DOOR LOCK HEATING (TSH)

6160.1WIPER/WASHER MODULE (WWM)

1210.20
1230.0
1240.0
3234.0
3450.1
5116.0ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
CHARGING SYSTEM
START
SLIP CONTROL (ABS/ASC)
POWER MIRRORS 2460.4ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z) 2460.2ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)




FUSE CHART




FUSES 30 TO 50




FUSE NUMBER
39
7.5A 5A 30A 10A 15A 25A 30A 7.5A 30A 30A 15A 7.5A 15A30A10A

40        38 37 36 35
5A



7.5A


15A



1210.17ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)


5430.1
6100.0
6133.0ELECTRICAL CONVERTIBLE TOP
CENTRAL BODY ELECTRONICS (ZKE IV)
HORN 5133.1
5200.0
5203.0
5410.1POWER WINDOWS (FH)
POWER SEATS
HEATED SEATS
POWER TILT/SLIDE SUNROOF (SHD) 5126.0ZKE CENTRAL LOCKING (ZV)














40A






20A


5A










6135.0DRIVE–AWAY PROTECTION (EWS II)



5120.0ZKE DOOR LOCK HEATING (TSH)
6160.1WIPER/WASHER MODULE (WWM)





6 .5 GN/WS730
28








POWER DISTRIBUTION
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
26F43
5AF4415A
.75 VI/WS 1.5 VI/SWX223
8 X56
.5 VI
X1001832301
F45
7.5AF4615A
1.5 VI/WS 1.5 VI/GE
0670.2-05
K2
HORN RELAY
2 X33
15i
8 2.5 SW/GE50
2.5 GN15
4 RTX331
0670.2-02
4 RT
2.5 VIS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
2 3
4 1
2.5 GN
2.5 VI
2.5 VI
2
10
3
R210
3210
3
RRR R
6133.0 X209
5
2.5 GN/SW
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) 3 X1659
1240.0
X10259
24 23
F42
7.5A
.5 VI/GN1.5 VI
RX10018
NOT USED
5126.0
6135.0
210
3




FUSES 8 AND 9








FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
K2
HORN RELAY 6 X56
F815A
16
6133.0
F920A
18 X10015
N9
RADIO 9 X18126
1.5 RT/WS 2.5 RT/WS
30
A18
HIFI AMPLIFIER 1 X605
6510.1
X19513
1.5 RT/WS
2.5 RT/WS
6510.1 1 RT/GR/GE
N9
RADIO
6510.04 X322
2.5 RT/WS
9 X18126
1.5 RT/WSSTEREO,
6–SPEAKER
SYSTEMHIFI, TOP HIFI
4 X322
2.5 RT/WS

FUSES 47, 48, 49, AND 50







FUSE DETAILS
P95
AUXILIARY FUSE
BOX F47
15A
X18784





N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
6575.2 K108
HORN RELAY
(ALPINE)6575.2 1 RT/GR/GE
X101936
X102502
1 RT/GR/GE
X130251
X1425
1 RT/GR/GE
1 RT/GR/GE
P97
AUXILIARY FUSE
BOX F48
40A
K22
HIGH SPEED
RELAY
6450.7 4 RT/GN
X536
X15882
F505A
X2152
Y199
CARBON
CANISTER VALVE Y198
EXHAUST GAS
FLAP VALVE
1 RT/WS/GE
X131722
X102732
1 RT/WS/GE
1 RT/WS/GE
X142
P96
AUXILIARY FUSE
BOX IN LUGGAGE
COMPARTMENT F49
20A
A96
CONVERTIBLE TOP
CONTROL MODULE
5430.1 4 RT
X1315610
X195642
1 RT/WS/GE
X13170
2 318i
1210.17 1210.17