1999 BMW M3 Electrical Troubleshooting Manual




SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH






ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 234 6
18
X8507
1X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSEDGROUND
DISTRIBUTION
0670.4 .5 GR/BR
.5 GR/BR
.5 BR/VI .5 VI .75 GR/GE
1.5 SW
AUSF
11
16 15
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X6912
X850010.5 BL/RT .75 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
RN4
ON–BOARD
COMPUTER
N10
MULTI–FUNCTION
CLOCK
X10701
.35 BR/GR
X10090X69X783
S30
BRAKE LIGHT SWITCH
3) BRAKE PEDAL DEPRESSED
(TEST)
4) BRAKE PEDAL RELEASED
(NORMAL) .35 BR/GR
X784
GROUND
DISTRIBUTION
0670.4
2 1 X1178
.5 BR/VI .5 VI
.35 BR/GR
Y19
SHIFT–LOCK
FUSE DETAILS
0670.3
4 3
1 2
31
X173
X781
S30
BRAKE LIGHT SWITCH
1) BRAKE PEDAL RELEASED
2) BRAKE PEDAL DEPRESSED
X782
1 2
88 .5 WS/VI
TXD
87 .5 WS/GE
RXD
DATA LINK
0670.5
GROUND
DISTRIBUTION
0670.4 .5 BR/GR
2460.2-01
318i
60 .75 WS/GN
28
GROUND
DISTRIBUTION
0670.4
X6454
A35
ON–BOARD
DISPLAY
X8500
313131




SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH






ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 234 28 18
X8507
1X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSEDGROUND
DISTRIBUTION
0670.4 .5 GR/BR
.5 GR/BR
.5 BR/VI .5 VI .75 GR/GE
1.5 SWAUSF
11
16 15
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X6912
X850010.5 BL/RT .75 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
RN4
ON–BOARD
COMPUTER
N10
MULTI–FUNCTION
CLOCK
X10701
.35 BR/GR
X10090X69X783
S30
BRAKE LIGHT SWITCH
3) BRAKE PEDAL DEPRESSED
(TEST)
4) BRAKE PEDAL RELEASED
(NORMAL) .35 BR/GR
X784
GROUND
DISTRIBUTION
0670.4
2 1 X1178
.5 BR/VI .5 VI
.35 BR/GR
Y19
SHIFT–LOCK
FUSE DETAILS
0670.3
4 3
1 2
31
X173
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
88 .5 WS/VI/GE
TXD2
DATA LINK
0670.5
GROUND
DISTRIBUTION
0670.4 .5 BR/GR
323i, 328i
60 .5 GN/BL
X6454
52
A35
ON–BOARD
DISPLAY
PGS
X8500
3131







ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
K6300
ENGINE CONTROL
MODULE RELAY
425V (15)
.5 GE22
.5 TR53A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17
X6821
87a
4 RT/WS

12V (15)
54
X850019
4 X69
.5 WS/GN/GE
31
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
A52
SLIP CONTROL
MODULE
(ABS/ASC)6 X1171
.5 WS/GN/GEWITH ASC
8283
.5 BL
.75 RT
323i, 328i
85
85
X600086
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
CAN LOW CAN HIGH
X227
57 .35 GE/BRA8
CRUISE CONTROL
MODULE
(TEMPOMAT)
X6914
.5 GE/BR
X8500
CAN LOW CAN HIGH








A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 3
.5 VI

332
.5 GN
301
.5 OR
5 6
.5 GR

21 .5 SW
2
14 .5 SW
X8500
8
1
.5 RT .5 GE .75 RT


31313131313131
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
X8516
X8516
Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
3) SOLENOID
VALVE 3
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR .5 TR
.75 BR
X8073
15
31
14 2X85054
1 12 9 11 X8505
6 16



8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
85
S8503
PROGRAM SWITCH 2460.4-03A7000
TRANSMISSION
CONTROL MODULE
(EGS)
L4 L3 L2 L1
13 12
ES
A6000
ENGINE CONTROL
MODULE (DME)
54
87a
K6300
ENGINE CONTROL
MODULE RELAY 2460.4-00
L1 L2 L3 L4
P
R
N
D
4
3
21101
1000
1110
0001
0011
1011
0010P90
FRONT POWER
DISTRIBUTION BOX
533153
Y8505y
TRANSMISSION
VALVE UNIT 2460.4-01
2686
2232 33 30 4
S30
BRAKE LIGHT
SWITCH
48
2460.4-03
2460.4-02
25A2w
INSTRUMENT
CLUSTER 2460.4-0293736
162115
TXD
X700088
34 2845
2460.4-04
X7000
X7000
M
G6430
B+ JUMP START
JUNCTION POINT
F285AF2610A

44

42 1423
19A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.4-00252
Y19
SHIFT–LOCK
10P90
FRONT POWER
DISTRIBUTION BOX
F4615A
S30
BRAKE LIGHT
SWITCH
57A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 2460.4-038283
2460.4-002460.4-00
2460.4-03
60
2027 17
2460.4-02S8507
KICK–DOWN
SWITCH
18
EGS A5S 310Z
2460.4 ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)







Pin Assignments

E = Input, A = Output, M = Ground
X7000
Pin Type Description/Function Connection
1
Not used
2AShift-lockShift-lock
3ASolenoid valve 5Transmission valve unit
4ATorque converter clutch solenoid valveTransmission valve unit
5AHydraulic pressure regulatorTransmission valve unit
6Not used
7Not used
8Gear range signal L2Automatic transmission range switch
9Gear range signal L4Automatic transmission range switch
10EBrake pedal positionBrake light switch
11Not used
12ES-program indicationProgram switch
13EM-program indicationProgram switch
14ESpeed sensorTransmission valve unit
15MShield speed sensorShield
16ASpeed sensor n-turbineTransmission valve unit
17ES-programProgram switch
18EKick-down signalKick-down switch
19EASC signalASC module
20EE-programProgram switch
21MGround oil temperature sensorTransmission valve unit
22EOil temperature sensorTransmission valve unit
23MShield speed sensorShield
24Not used
25AFault indicator signalInstrument cluster
26EBattery voltageJump start junction point
27EM-programProgram switch
28MGround, electronicsGround point
29Not used
30ASolenoid valve 1Transmission valve unit






Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
ASolenoid valve 4Transmission valve unit
32ASolenoid valve 3Transmission valve unit
33ASolenoid valve 2Transmission valve unit
34MGroundGround point
35Not used
36EGear range signal L1Automatic transmission range switch
37EGear range signal L3Automatic transmission range switch
38Not used
39Not used
40Not used
41Not used
42ASpeed sensor n ab (+)Transmission valve unit
43Not used
44ESpeed sensor n-turbineTransmission valve unit
45EE-program indicationProgram switch
46Not used
47Not used
48EBrake switch test signalBrake light switch
49Not used
50Not used
51Not used
52AVoltage supplyShift-lock
53AVoltage supply for solenoid valvesTransmission valve unit
54EVoltage supplyDME relay
55Not used
56Not used
57ECruise control signalCruise control module
58Not used
59Not used
60EProgramming voltageData link connector
61Not used
62Not used






Pin Assignments

E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
63
Not used
64Not used
65Not used
66Not used
67Not used
68Not used
69Not used
70Not used
71Not used
72Not used
73Not used
74Not used
75Not used
76Not used
77Not used
78Not used
79Not used
80Not used
81Not used
82E/AJumper plug
83E/AJumper plug
84Not used
85E/ACAN-LOWEngine control module
86E/ACAN-HIGHEngine control module
87Not used
88E/ATxD diagnostic data linkData link connector