1999 BMW M3 engine

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




INDEX








DEFROSTER FLAP MOTOR, M35 6450.7-03. . . . . . . . . . . . . . . . . . .
DIMMER, N3 6300.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIVERSITY, N404 6424.0-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT/MAP READING ASSEMBLY, FRONT, E34 6330.3. .
DOOR HANDLE SWITCH, DRIVER’S, S48 6575.2-00. . . . . . . . . . . .
DOOR JAMB SWITCH, DRIVER’S, S14 5133.1-00. . . . . . . . . . . . . .
DOOR JAMB SWITCH, PASSENGER’S, S13 5133.1-00. . . . . . . . . .
DOOR LOCK HEATER, E48 5120.0-00. . . . . . . . . . . . . . . . . . . . . . . . .
DOOR LOCK MOTOR, DRIVER’S, M12 5126.0-00. . . . . . . . . . . . . .
DOOR LOCK MOTOR, PASSENGER’S, M13 5126.0-00. . . . . . . . . .
DOOR LOCK SWITCH, DRIVER’S, S47 5126.0-02. . . . . . . . . . . . . .
DOOR LOCK SWITCH, PASSENGER’S, S49 5126.0-02. . . . . . . . .
DOUBLE TEMPERATURE SWITCH, S36y 6450.7-06. . . . . . . . . . . .
DRIVE–AWAY PROTECTION (EWS II) 6135.0. . . . . . . . . . . . . . . . . .
DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE), B6256 1210.17-02. . . . . . . . . . . . . .
ELECTRICAL CONVERTIBLE TOP 5430.1. . . . . . . . . . . . . . . . . . . . .
ELECTRONIC IMMOBILIZER CONTROL MODULE
(EWS II), A836 6135.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL
(EGS A4S 270R) 2460.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRONIC TRANSMISSION CONTROL
(EGS A5S 310Z) 2460.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL MODULE (DME), A6000 1210.. . . . . . . . . . . . . .
ENGINE CONTROL MODULE RELAY, K6300 1210.. . . . . . . . . . . . .
ENGINE CONTROL SYSTEM
(DME M5.2, 4–CYLINDER M44) 1210.20. . . . . . . . . . . . . . . . . . . . . .
ENGINE CONTROL SYSTEM MS41.1
(6–CYLINDER M52) 1210.17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ENGINE COOLANT LEVEL SWITCH, S63 6581.2-02. . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.17-02
ENGINE COOLANT TEMPERATURE SENSOR, B6232 1210.20-05
ENGINE COOLANT TEMPERATURE SENSOR, B6236 1210.17-02
ENGINE HOOD SWITCH, S21w 6575.2-02. . . . . . . . . . . . . . . . . . . . .
EVAPORATIVE EMISSION VALVE, Y6120 1210.. . . . . . . . . . . . . . . .
EVAPORATOR TEMPERATURE SENSOR, B14 6450.7-02. . . . . . .
EXHAUST GAS FLAP VALVE, Y198 1210.17-09. . . . . . . . . . . . . . . .
FINAL STAGE UNIT, N2 6412.20-00. . . . . . . . . . . . . . . . . . . . . . . . . . .
FINAL STAGE UNIT, N2 6450.7-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT RELAY, FRONT, K47 6312.0-00. . . . . . . . . . . . . . . . . . . .
FOG LIGHT SWITCH, S10 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, LEFT, E26 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOG LIGHT, RIGHT, E27 6312.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOOTWELL LIGHT, LEFT FRONT, E61 6330.3. . . . . . . . . . . . . . . . . .
FOOTWELL LIGHT, RIGHT FRONT, E62 6330.3. . . . . . . . . . . . . . . .
FRESH AIR FLAP MOTOR, M36 6450.7-00. . . . . . . . . . . . . . . . . . . . .
FUEL CHANGEOVER VALVE, Y6263 1210.20-09. . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 1, Y6101 1210.. . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 2, Y6102 1210.. . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 3, Y6103 1210.. . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 4, Y6104 1210.. . . . . . . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 5, Y6105 1210.17-01. . . . . . . . . . . .
FUEL INJECTION VALVE, CYL. 6, Y6106 1210.17-01. . . . . . . . . . . .
FUEL LEVEL SENSOR, B6 6211.0-04. . . . . . . . . . . . . . . . . . . . . . . . .
FUEL PUMP RELAY, CYL. 1–6, K6301 1210.17-04. . . . . . . . . . . . . .
FUEL PUMP RELAY, K6301w 1210.20-04. . . . . . . . . . . . . . . . . . . . . .
FUEL PUMP, M2 1210.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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)





X0
0670.2 POWER DISTRIBUTION





G1
BATTERY0670.2-02
P90
FRONT POWER
DISTRIBUTION BOX



30B+ X6512
X6509M6510
STARTERG6509
GENERATORX2
10 RT
1240.0
1230.010 RT 50 RT25 RT
G6430
B+ JUMP START
JUNCTION POINT
X6431X6430
X6437X6433
6 X6301
K6301w
FUEL PUMP RELAY
8 X6300
K6300
ENGINE CONTROL
MODULE RELAY 86 30
6
2.5 RT
2.5 RT 4 RT 1 RT
26 X6000A6000
ENGINE CONTROL
MODULE (DME)
1210.20
4 RT6 X6326
K6326
UNLOADER RELAY,
TERMINAL 15
1210.20
6 RT
6 RT6 RT2.5 RT
X641026 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS)
F9780A0670.2-07
318i
14 X6002
D100
DATA LINK
CONNECTOR2.5 RT
2 X6304K6304
SECONDARY AIR
PUMP RELAY
1210.20 4 RT
F25A
4
X10015
2 X6300
4 RT/WS
.5 RT/WS
9 X6031
3 X10015
1 RT/WS/GE ENGINE CONTROL
SYSTEM
(DME M5.2, 4–CYL-
INDER M44)
1210.20X6821
1 RT/WS/GE
FUSE DETAILS
0670.3
87
F1815A
16
X10016
13 X20
15 X10016
2.5 GN/VI
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
2 X6301
2460.2
2.5 GN/VI
2.5 GN/VI




POWER DISTRIBUTION







323i, 328i, M3
70 RT6 RT
6 RT
F9780A
8X0
30B+ X6512
X6509M6510
STARTERG6509
GENERATOR 16 RT
1240.0
1230.0 10 RT
25 RT
G6430
B+ JUMP START
JUNCTION POINT
X6433X6430
X6432X6431
.5 RT .5 RT2 X6304
K6304
SECONDARY AIR
PUMP RELAY
1210.17
6 RT
X6411
X6437
26 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS)
2460.2
26 X6000A6000
ENGINE CONTROL
MODULE (DME)
1210.17
6
K6300
ENGINE CONTROL
MODULE RELAYX6300
X6412
4 RT
4 RT 4 RT
4 RT
1.5 RT
2 1
F49
20AX19564
X19564
4 RT 4 RT
P96
AUXILIARY FUSE
BOX IN LUGGAGE
COMPARTMENT
6 X6326K6326
UNLOADER RELAY,
TERMINAL 15
2.5 RT
0670.2-02P90
FRONT POWER
DISTRIBUTION BOXX2
0670.2-07
FUSE DETAILS
0670.3
G1
BATTERY1210.1714 X6002
D100
DATA LINK
CONNECTOR 2.5 RT6 X6301
K6301
CYL. 1–6 FUEL
PUMP RELAY
F1815A
16
X10016
13 X20
15 X10016
2.5 GN/VI
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
2 X6301
1.5 GN/VI
2.5 GN/VI
1.5 GN/VI
X8007
30
F505A
2
X10273
2 X6300
2.5 RT/WS
1.5 RT/WS
8 X20
1 X102731 RT/WS/GEX6822
FUSE DETAILS
0670.3
87
4 RT/WSX6821ENGINE CONTROL SYSTEM
MS41.1 (6–CYLINDER M52)
1210.17
P97
AUXILIARY FUSE
BOX

2.5 GN
X1001612
.5 GN/BL/GE









POWER DISTRIBUTION
2P90
FRONT POWER
DISTRIBUTION BOX
F21
5A
FUSE DETAILS
0670.3
6F23
5A
8 1 X1002612 F24
10AF2610A
14 X1001716 15 X10017
11 X10016
F275AF285AF165A
.5 GN/BL .75 GN/SW 1.5 GN/WS .5 GN/VI .5 GN/GR .5 GN/VI2.5 GN
.5 GN .5 GN X203
4
.5 GN/GEF22
5A
10
.5 GN/RTF25
5A
5 X17A2w
INSTRUMENT
CLUSTER .5 GN
8 X58K4
BLOWER RELAY .35 GN 2.5 GN
0670.2-04
15U
X2021
2.5 GN
15 15 15 15 1515 15 15 15 6410.5
1230.0
6211.0
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
6450.71 X1405V6
UNCOUPLING
DIODE
.35 GN
86