transmission BMW 318ti 1998 E36 Electrical Troubleshooting Manual





 





!


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
X3510 .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
6 X35
.5 VI/GR
X8056
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
X11250
3
.35 VI/GR
.5 SW/BRX1022
5 X11250
.35 BL/SW
31
F165A15
12
34
31
86
S530
IHKS CONTROL
SWITCH
X13274
9
.35 VI/GR
X13279
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE.35 VI/GR

5 X209
S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4






!



1240.0 START
.5 BR/SWX10017
16
5 X511
1P90
FRONT POWER
DISTRIBUTION BOX F28
5A POWER
DISTRIBUTION
0670.2
X0
X331 4 RT
4 RTL2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
X191
.5 BR/SW 210 3
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
X2
10 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2 POWER
DISTRIBUTION
0670.2
2.5 GN/SW
X16599
1 3
7 A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
GROUND
DISTRIBUTION
0670.4
X1186
2.5 SW/GE
X173
0
 

2F31
5A
FUSE DETAILS
0670.3
5
X1659
X10018
X2018
.35 BR/SW30
3 X18994
2F45
7.5A
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH
PEDAL FULLY
DEPRESSED X18994
2FUSE DETAILS
0670.3
1
2.5 SW/GE
WITH EGS WITHOUT EGS



 !
S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-02
F285A
26
2460.2-00
36379
TXD
X850088
2460.2-01
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX
204513 2718
S8507
KICK–DOWN
SWITCH 2460.2-043428
 " 1 

'
 
 +
 1 
" 
 
F4615AP90
FRONT POWER
DISTRIBUTION BOX
10
Y8505y
TRANSMISSION
VALVE UNIT
522 2460.2-03
AM
X8500
X8500
EGSA4S 270R
2460.2-04
5330334322114
N
S
42 15
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-02
8586
A2w
INSTRUMENT
CLUSTER 2460.2-04
25
5552
Y19
SHIFT–LOCK 2460.2-03
2
4046
A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-02
12 17
NOT USED
6
POWER
DISTRIBUTION
0670.2
RXD 87
60
D100
DATA LINK
CONNECTOR
2460.2-04
57
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
NOT USED
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)


 



 !
Pin Assignments


E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
89
Not used
90AShift-lock solenoid controlShift-lock
91Not used
92ASolenoid valve band control (–)Transmission valve unit
93AHydraulic pressure regulator control (–)Transmission valve unit
94MGroundGround point
95Not used
96EGear range signal L2Automatic transmission range switch
97EGear range signal L4Automatic transmission range switch
98EBrake pedal positionBrake light switch
99Not used
100ESport mode signalNot used
101EManual mode signalProgram switch
102EOutput speed (–)Transmission valve unit
103MGround for shieldShield for speed sensor
104Not used
105AS-program indicationNot used
106EKick-down signalKick-down switch
107Not used
108EAutomatic mode signalProgram switch
109EOil temperature signal (–)Transmission valve unit
11 0EOil temperature signal (+)Transmission valve unit
111Not used
11 2Not used
11 3AFault indicator signalInstrument cluster
11 4EBattery voltageB+ junction point
11 5AM-program indicationProgram switch
11 6MGroundGround point
11 7Not used
11 8ASolenoid valve 1 control (–)Transmission valve unit


 



 !
Pin Assignments


E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 9
Not used
120ATorque converter clutch solenoid valve
control (–)Transmission valve unit
121ASolenoid valve 2 control (–)Transmission valve unit
122MGroundGround point
123Not used
124EGear range signal L1Automatic transmission range switch
125EGear range signal L3Automatic transmission range switch
126Not used
127Not used
128ERPM speed signal TDEngine control module
129Not used
130EOutput speed (+)Transmission valve unit
131Not used
132Not used
133AA-program indicationProgram switch
134EA/C compressor-ON-signalEngine control module
135Not used
136EBrake switch test signalBrake light switch
137Not used
138Not used
139Not used
140AVoltage supplyShift-lock/Transmission valve unit
141EVoltage pressure regulatorTransmission valve unit
142EVoltage supply, terminal 87Engine control module relay
143EVoltage supply, terminal 87Engine control module relay
144Not used
145ECruise control signalCruise control module
146Not used
147Not used
148EProgramming voltageData link connector
149Not used

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
.5 GE/BL




POWER, PROGRAM SWITCH




!



151515
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
20 13X8500
12
.5 GE/BL
3 13
NOT USED .5 GE/BLX8565
1
24 22 X69
5
X8503
.5 GE/WS .5 GE/GN
X85032S8503
PROGRAM SWITCH
0) OFF
1) AUTOMATIC
2) MANUAL
GROUND
DISTRIBUTION
0670.4
X1001712F26
10AP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
23
452717
X8564X8576
.5 GE/WS .5 GE/GN.5 GE/WS .5 GE/GN .5 GE/BL
X10012
31
0
2 1
3131
.35 GE/GR .35 GE/WSNOT USED
AM
X850026 1 RT
X6410
POWER
DISTRIBUTION
0670.2
31





 

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
9
31313131



GEAR SELECTOR SWITCH




!


P90
FRONT POWER
DISTRIBUTION BOX F28
5AF2610A
L4L3L2 L1A8500
TRANSMISSION
CONTROL MODULE
(EGS) 9 37 8 36 X8500
86 74
.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
REVERSE
2 X5115
L4 L3 L2 L1
R
E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
7
X319
5
X191
21 20 19 X6918
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)X22
.35 BR/SW.5 BR/SW1 BL/GE .5 BR/WS .5 BL/WS .5 BR/SW .5 BL/SW.5 BR/SW
L1 L2 L3 L4
P
R
N
D
3
2
11101
1000
1110
0001
0011
1011
0010
4 X13
GROUND
DISTRIBUTION
0670.4
H27
LEFT BACK UP
LIGHT X319
1 BL/GE
X428BACK UP LIGHTS
6322.0 FUSE DETAILS
0670.3
01
X13006
01010102
16X1001712EGS A4S 270R
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT 2
X1193
1 1 GR/RT
X1193
GROUND
DISTRIBUTION
0670.4
X10012
LIGHT SWITCH
DETAILS
6300.0 58g
X1019
.5 GR/RT
1 BL/GE
FUSE DETAILS
0670.3
1 BL/GE
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) X1659
5





 

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)



!


K6300
ENGINE CONTROL
MODULE RELAY
425V (15)
.5 GE22
.5 SW52A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X63002
1.5 RT/WS
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
X6821
87
4 RT/WS

54
X8500
31
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS).5 VI
85
85
86
86
.35 SW .35 GEA6000
ENGINE CONTROL
MODULE (DME)
CAN-LOW CAN-HIGH
X8500
7X11706
.5 BR .5 GEA52
SLIP CONTROL
MODULE
(ABS/ASC)
X7845
X7846
1.5 RT/WS
55
53
.5 RT
CAN-LOW CAN-HIGH CAN-LOW CAN-HIGH
1X202.35 GE .35 SW
.35 SW .35 GE







 

K19
COMPRESSOR
CONTROL RELAY
X515
.5 SW/BLX600080
40
.5 SW
.5 SW
X204
.5 SW/BLINSTRUMENT
CLUSTER
6211.0 X8015
36
46
.5 SW/BL
.5 SW/BL
X8056





!


A8500
TRANSMISSION
CONTROL MODULE
(EGS)
9

327
.5 BL

4 11
.5 VI

X11782
332
.5 GN
301
.5 OR
2 .5 BR/VI

21 .5 TR
2
14 .5 SW
X8500
8
1X8505
.5 VI .5 GE .5 VI


31313131313131
W8505
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
31 15
1
X8516
X8516
Y8505y
TRANSMISSION
VALVE UNIT
1) SOLENOID
VALVE 1
2) SOLENOID
VALVE 2
6) HYDRAULIC
PRESSURE
REGULATOR
7) TORQUE
CONVERTER
CLUTCH
SOLENOID
VA LV E
8) OIL
TEMPERATURE
SENSOR
9) SPEED
SENSOR
11) SOLENOID
VALVE BAND .5 SW
.75 BR
X8073

5 6
.5 GR
31
.5 RT
X1178
.5 VI
15
X69
X6916 .5 BR/VI X8505
Y19
SHIFT–LOCK
14 24
112 911 16 6

.5 GR/BR
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)


SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH




!


15
5V (15)
25
34 6 18 X8500
X85071X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED GROUND
DISTRIBUTION
0670.4 .5 GR/BR
.75 GR/GE
1.5 SWAUSF
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X6912
10
.5 BL/RT .75 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
FUSE DETAILS
0670.3
1 2
31
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
87 .5 WS/GE
RXD88 .5 WS/VI
TXD
DATA LINK
0670.5
GROUND
DISTRIBUTION
0670.4
X781
2 1
2X78





 

60 .75 WS/GNX8500
X6454
28
GROUND
DISTRIBUTION
0670.4
F275A
23 X16
FUSE DETAILS
0670.3
X1001714
48
X78
3X69
11 .5 BR/GR
43
.5 BR/GR
4 X78
GROUND
DISTRIBUTION
0670.4
X173
57
7 14 .35 GE/BR
S30
BRAKE LIGHT
SWITCH
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
.35 GE/BR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) X22
!
1 1 1