1999 BMW M3 Electrical Troubleshooting Manual








ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
34
86
X600068
S36y
DOUBLE
TEMPERATURE
SWITCH X11379
.35 GEA8500
TRANSMISSION
CONTROL MODULE
(EGS)
55
6
1210.20-00
X8500
8685
.35 SW
85 X6000
A6000
ENGINE CONTROL
MODULE (DME)
3
2.5 BR 2.5 BR
.35 SW/GN 2.5 BR
2 X20
.5 BRA52
SLIP CONTROL
MODULE
(ABS/ASC)
1 .5 GE
.5 WS/GR/GE
.35 SW .35 GE
79
X7845
X7846
1X62174
45
2
17
3 X6217
1.5 RT/WS
.5 GR/VI .5 GR/BL

+–
X203
.5 GR/VI
X6454
CAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.4CAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.4
CAN HIGH CAN LOW
.35 GE .35 SW B6217
HOT FILM AIR
MASS METER
8
A2w
INSTRUMENT
CLUSTER X16
16 .5 GR
1
.5 GR
42
X17
13 .5 GN/RTX6031
3
.5 GN/RT
313131
9
28
1.5 BR
.75 BR/RT
31
X11706 7 37





DATA LINK








ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
8060
DATA LINK
0670.5
8788 X6000
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
X20
20
X8015
.5 SW
.5 SW.5 WS/GE
TD
.5 WS/VIA8500
TRANSMISSION
CONTROL MODULE
(EGS)
17
15
18
X6002
.5 WS/VI
X6866
X6863
.5 WS/GE .5 WS/GE
.5 WS/VI .5 WS/GE
A6000
ENGINE CONTROL
MODULE (DME) TXD RXD D100
DATA LINK
CONNECTOR
87 88 X8500
RXD TXD
.5 SW

X1005411
.35 SW
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X1527
6
.35 SW
X1620
3
.5 SW
X1047
.5 SW
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12
.35 SWX1659
.75 WS/GN
.75 WS/GNX6860
60
1
X6002D100
DATA LINK
CONNECTOR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
8 X22
40
.35 SW TD
TD.75 WS/GN
.5 SW
31
15











ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A6000
ENGINE CONTROL
MODULE (DME)
X6000
11
4
.5 SW/GR
A6000
ENGINE CONTROL
MODULE (DME)
5 X20
.5 SW/BR
X10261
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
X102611
X100549 .5 BL/SWB9508
PRESSURE
SWITCH
P90
FRONT POWER
DISTRIBUTION BOX
X10016
12
4 X51
X515
X20
4
36FUSE DETAILS
0670.3
K19
COMPRESSOR
CONTROL RELAY
.5 SW/BL
.5 SW/BL
.5 SW/BLX6000
85
6
.5 VI/GR
69
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
46
.5 SW/BL
8 X10054
.5 VI/GR
X8056
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X1527
10
.35 VI/GR
.5 SW/BRX1022
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
11 X1527
.35 BL/SW
31
F165A
15
12
34
31
86











ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
G6430
B+ JUMP START
JUNCTION POINT

1 RT/WS/GE
GROUND
DISTRIBUTION
0670.4 2 X6263
1 X6263
2 X6163
1 X6163
.5 RT/WS
.5 RT/WS
.5 GE/RT
66
Y6263
FUEL CHANGE-
OVER VALVEY6163
SECONDARY AIR
PUMP VALVE
.5 BR/WS82
465 X6304
X6304
POWER
DISTRIBUTION
0670.2
X6821
(PARTIAL)
.5 RT/WSPOWER
DISTRIBUTION
0670.2
.5 BR/WS
.5 BR/WSX6891
4 RT/GE
2 X6133
1 X6133
A6000
ENGINE CONTROL
MODULE (DME) X6000
644 BRY6133
AIR PUMP
1210.20-00
3 X10015
4 X10015
P90
FRONT POWER
DISTRIBUTION BOX
2 X13170
1 X13170
Y199
CARBON
CANISTER VALVE
65
.5 GN/BL
2 X6031
.5 GN/BL
28 X14
.5 GN/BL
9 X6031
.5 RT/WS
FUSE DETAILS
0670.3
F25A
X6431


,
-.$
10 RT









1230.0 CHARGING SYSTEM
1.5 BLG6509
GENERATOR
31
3131
B+
D+
A2w
INSTRUMENT
CLUSTER X175
X176
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
X8004.75 BL
X6002
12 D100
DATA LINK
CONNECTOR
.5 BL
X133053
16 RT
X6509
X7509
2
10
3
15
.5 BL
X213
30h
G1
BATTERY
G6430
X6512
POWER
DISTRIBUTION
0670.2POWER
DISTRIBUTION
0670.2 25 RT
M6510
STARTER
BR
31
.35 BL.5 BL
TELEPHONE
CONNECTOR
X2025
CENTER CONSOLE
318i



X1186
5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4









1240.0 START
.5 BR/SWX10017
16
5 X511
0P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2
30
X331 4 RT
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
X191
.5 BR/SW
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN/SWFUSE DETAILS
0670.3
##
# #
 
 
 
 
 


 
X2
10 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
2
10
31
WITHOUT EGSF28
5A
50
POWER
DISTRIBUTION
0670.2
10 RT
X0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A5S 310Z)
2460.4
F457.5A
X1001830
3S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH
PEDAL FULLY
DEPRESSED
12
X18994
2
WITH EGS 1
X173
GROUND
DISTRIBUTION
0670.4
.35 BR/SWFUSE DETAILS
0670.3
X18994
EGS A4S 270R







18 X20
1X16597
GROUND
DISTRIBUTION
0670.4
X173
X16599 35
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
2.5 SW/GE
2.5 SW/GE 2.5 GN/SW
X6810323i, 328i, M3
1240.0-02 2.5 SW/GEFUSE DETAILS
0670.3
F315A
X100182P90
FRONT POWER
DISTRIBUTION BOX

10 RT 318i
START











2.5 SW/GE
30
31
31
50
30h
POWER
DISTRIBUTION
0670.2
X10708 .35 SW/GNX1018212
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)X15279 .35 SW/GN
A115
AUTOMATIC
CLIMATE CONTROL
MODULE N4
ON–BOARD
COMPUTERN10
MULTI–FUNCTION
CLOCK
15 X20
.5 SW/GN
X276
5 X10054
.35 SW/GN
25 RT
16 RT
G6509
GENERATOR B+
X6420
X6510X6511X6512
M6510
STARTER
X6509
.75 SW/GN
.75 SW/GN
M3, 328i, 323i
31
.35 SW/GN
1240.0-01
A35
ON–BOARD
DISPLAY