1999 BMW M3 Electrical Troubleshooting Manual








ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)
26 X7000
X6411
K6300
ENGINE CONTROL
MODULE RELAY
16
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
5V (15)
.35 BL
425V (15)
.35 WS22
.5 SW/RT53
.75 VIA7000
TRANSMISSION
CONTROL MODULE
(EGS) 1 RT
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17X6821
87a
4 RT/WS

5V (15)
54
X700019
4 X69
.5 WS/GN/GE
G6430
B+ JUMP START
JUNCTION POINT
31
31
POWER
DISTRIBUTION
0670.2
6 RT
6 RT
W8521
AGS SPEED
SENSOR SHIELD
2460.4-01A52
SLIP CONTROL
MODULE
(ABS/ASC)6 X1171
.5 WS/GN/GE
82 83.5 BL
52
15
16
12
2
.5 VI
.5 VI.5 BR/VI
.5 BR/VI
Y19
SHIFT–LOCK X1178







5
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
2 10
6
9Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
4) SOLENOID
VALVE 4, RE-
VERSE BLOCK
5) SOLENOID
VALVE 5
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR
10) SPEED
SENSOR
TURBINE W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
.5 RT

7
3 5
.5 RS

3
314
.5 SW

4
323
.5 GE

98X850511
332
.5 GN
301
.5 OR
4 7
.5 TR/SW

14
21 .5 SW/BL6
14 .35 BR10
44 .35 GR
X7000
8
12
5 113
X8505
.5 SW/RT .35 WS .35 BL .75 VI
15

31

31313131313131313131
W8521
AGS SPEED
SENSOR SHIELD
31 23
2460.4-00

5
2M3







ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)
1515
151515
AUSF TXDA7000
TRANSMISSION
CONTROL MODULE
(EGS) A2w
INSTRUMENT
CLUSTER
X165
25 .5 GR/BR
.5 GR/BR
X6925
88
.5 WS/VI/GE
DATA LINK
0670.5
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED
18
1 X8507
17
.75 GR/GE
1.5 SW
451312
.5 GE/BL
10
23
.5 GE/BRX8565
17
2422 X69
5 X8503
.35 GE/BL.5 GE/WS
.35 GE/WS.5 GE/GN
.35 GE/GN
E
X85032S8503
PROGRAM SWITCH
0) OFF
3) ON
GROUND
DISTRIBUTION
0670.4
X1001712P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
X10012
EM S
F2610A
1 2
31
313131
030303S
X7000
4 5 3 X19561
M .35 GE/BL .35 GE/WS .35 GE/GN
15
31
20
.5 GE/BL
15
31
15
31
X70001727
.5 GE/WS .5 GE/WS
X8564
.5 GE/GN
X8576
.5 GE/GN
M3







ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)
28 X700034A7000
TRANSMISSION
CONTROL MODULE
(EGS)
GROUND
DISTRIBUTION
0670.4
X6454
.35 SWA6000
ENGINE CONTROL
MODULE (DME)
85X6000
60
60 X7000
X6860
.5 GN/BL
.5 GN/BL 85.35 GE
86 86
57
.5 GE/BR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 7
18
X6002D100
DATA LINK
CONNECTOR
X22
14 X69
.35 GE/BR
P90
FRONT POWER
DISTRIBUTION BOX
X1001832
.75 BL/RT
X181
10.5 BL/RT
12
1.5 BL/RT
X782
1 X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED F46
15A
BRAKE LIGHTS
6325.0 FUSE DETAILS
0670.3CANCA–L CANCA–H
1.5 BR 1.5 BR/OR
1 2
15
3131
X69
.5 GN/BL
48
.5 BR/GR
11
.35 BR/GR
R
S30
BRAKE LIGHT
SWITCH
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
1
3 X78
.35 BR/GR
4 3
GROUND
DISTRIBUTION
0670.4
X10090
.35 BR/GR
X784
X173
X1070
N4
ON–BOARD
COMPUTER
N10
MULTI–FUNCTION
CLOCK
A35
ON–BOARD
DISPLAY

L4







ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)
P90
FRONT POWER
DISTRIBUTION BOX
L4H27
LEFT BACK UP
LIGHTL3L2 L1A7000
TRANSMISSION
CONTROL MODULE
(EGS)937836 X7000
8674
.5 BR/WS.5 BL/WS.5 BR/SW .5 BL/SW
X5113S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
2) CLOSED IN RE-
VERSE
X100171216
2 X5115
R
5 X319
X191
212019X6918A8
CRUISE CONTROL
MODULE
(TEMPOMAT)5X22
.35 BR/SW .5 BR/SW
X10012
58g
2 X1193
X1019
LIGHT SWITCH
DETAILS
6300.0
1 X1193
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
GROUND
DISTRIBUTION
0670.4
.5 BR/WS .5 BL/WS .5 BR/SW .5 BL/SW.5 BR/SW.5 GR/RT
.5 GR/RT FUSE DETAILS
0670.3
L1 L2 L3
P
R
N
D
4
3
21 101
1 000
1 110
0 001
0 011
1 011
0 010
E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY FUSE DETAILS
0670.3
1 BL/GE
011 0
F285A
31
F2610A
1 01 002
313131
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) 9 X1659
L4 L3 L2 L1
1 BL/GE
4 X13
1 X319
X13006
GROUND
DISTRIBUTION
0670.4
EGS A5S 310Z



A2w
INSTRUMENT
CLUSTER
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE20
A113
SEAT OCCUPANCY
DETECTOR 3234.0-03
F427.5A
2112
F275AP90
FRONT POWER
DISTRIBUTION BOX
34X74
X74
159
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
8
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
13 14
3234.0-00
G5
DRIVER’S AIR BAG
GAS GENERATOR
C101
CONTACT RING
10 11
G14
LEFT SIDE AIR BAG
GAS GENERATOR
16 17
3234.0-01G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
18 19
3234.0-01G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
3234.0-00G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
3234.0-00 B78
DRIVER’S SIDE IM-
PACT SENSOR
B79
PASSENGER’S
SIDE IMPACT
SENSORS59
PASSENGER’S
SEAT BELT SWITCHS58
DRIVER’S SEAT
BELT SWITCH
57
3234.0-01 3234.0-013234.0-023234.0-023234.0-02 3234.0-00
D100
DATA LINK
CONNECTOR 3234.0-02
3234.0-006
3234.0-000670.5
TXD
I1008
SEAT MAT
3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)




Pin Assignments


E = Input, A = Output, M = Ground
X74
Pin Type Description/Function Connection
1
APyrotechnical belt tensionerDriver’s side pyrotechnical belt tensioner
2APyrotechnical belt tensionerDriver’s side pyrotechnical belt tensioner
3APyrotechnical belt tensionerPassenger’s side pyrotechnical belt
tensioner
4APyrotechnical belt tensionerPassenger’s side pyrotechnical belt
tensioner
5EPower supplyFront power distribution box, fuse 42
6MGroundGround point
7AAir bag warning indicatorInstrument cluster
8EBelt switchPassenger’s seat belt switch
9E/ATxD diagnostic data lineData link connector
10AAir bag (+)Driver’s air bag gas generator
11AAir bag (–)Driver’s air bag gas generator
12EBelt switchDriver’s seat belt switch
13AAir bag (+)Passenger’s air bag gas generator
14AAir bag (–)Passenger’s air bag gas generator
15ESeat occupancy detectorSeat occupancy detector
16AGas generatorGas generator, left side air bag
17AGas generatorGas generator, left side air bag
18AGas generatorGas generator, right side air bag
19AGas generatorGas generator, right side air bag
20EImpact sensorDriver’s side impact sensor
21EImpact sensorPassenger’s side impact sensor
22Not used
23Not used
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used



Pin Assignments


E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
30
Not used
31Not used
32Not used
33Not used
34ACrash signalBody electronics control module (ZKE IV)
35Not used
36Not used
37Not used
38Not used
39Not used
40Not used
41Not used
42Not used
43Not used
44Not used
45Not used
46Not used
47Not used
48Not used
49Not used
50Not used