cruise control BMW 318ti 1998 E36 Electrical Troubleshooting Manual



 !
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 = 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)
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





 

.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


!
6211.0-04
A
F4615A
16K16
HAZARD FLASHER
RELAY S7
COMBINATION
SWITCH
F275A
P90
FRONT POWER
DISTRIBUTION BOX
A2w
INSTRUMENT
CLUSTER F31
5A
A6000
ENGINE CONTROL
MODULE (DME)
18
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR1
B10
VEHICLE SPEED
SENSOR 6211.0-04G6509
GENERATOR
5B
D+ C
S2
IGNITION SWITCH 6211.0-00
F235AF1515A NSW
232248B
6312.0
16312.036313.04A
6313.0
1B
6313.0
2A
LIGHT SWITCH
DETAILS
6300.0 #!;
15
A64
WIPER/WASHER
MODULE (LOW II) 6211.0-03A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 6211.0-03N9
RADIO 6211.0-03A35y
BOARD
COMPUTER
(BC – LOW) 6211.0-03
2
A51
WIPER/WASHER
MODULE 6211.0-03
2017
B6
FUEL LEVEL
SENSOR 6211.0-04B25y
FUEL TANK
SENSOR II
34A617
S31
PARK BRAKE
SWITCH14
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE 6211.0-00
6211.0-0018
B18
BRAKE FLUID
LEVEL SWITCH 6211.0-0019
B6231
OIL PRESSURE
SWITCH5
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 6211.0-0119
B17
RIGHT REAR
BRAKE PAD
SENSOR B16
LEFT FRONT
BRAKE PAD
SENSOR
A52
SLIP CONTROL
MODULE
(ABS/ASC)
243
1230.0A
B
6211.0-01 6211.0-01
6211.0-00A
B
A= X16B= X17C= X271
BAB
6211.0-02
6211.0-02 6211.0-05
9
B
2316
6300.0
S14
DRIVER’S DOOR
JAMB SWITCH6211.0-04
D100
DATA LINK
CONNECTOR
13
S2
IGNITION SWITCH 6211.0-05
22 B
H10
CHIME MODULE 6211.0-05
S58
DRIVER’S SEAT
BELT SWITCH 6211.0-00 14
1221
6211.0-00
A202
ABS CONTROL
MODULE/
HYDRAULIC UNIT
ABS ASC
6211.0-02
12
X16
TXD
6211.0 INSTRUMENT CLUSTER

1 X6031
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX F27
5A
X1623
X1001714




!


INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X62322B6232
ENGINE COOLANT
TEMPERATURE
SENSOR15
R
18X1620
.5 SW
GROUND
DISTRIBUTION
0670.4.5 BR/VI
3
TACHOMETER
X10010
31
1112
17
.5 BR/GE 24 X16
31
TEMPERATURE
GAUGE
X8015
A6000
ENGINE CONTROL
MODULE (DME) X6000
7
TD 12B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE
19
1 X6232
23
.5 SW20 X20
.35 BR/GN
X6231
1
X1715
.35 WS/GN
19
X60027
 

.5 WS/GN
D100
DATA LINK
CONNECTOR.5 SW
.5 SW
.5 SW
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
12 X1659
.35 SW
X1047
16
.5 GR
.5 GR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 8 X22
.35 SW
CHECK
ENGINE
WITHOUT EGS
.5 BR/GN .5 BR/VI .5 BR/GE
80 8 X20
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 40 X8500
.5 SW
1 X6002
D100
DATA LINK
CONNECTORTD




!


SIGNAL–OUTPUT SPEEDOMETER
INSTRUMENT CLUSTER
.35 SW/WSR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) A64
WIPER/WASHER
MODULE (LOW II)
X285
5X2210
.35 SW/WS
6211.0-04
RA51
WIPER/WASHER
MODULE
X285
5
R
TACH TACH
TACH
X1812610
X188
X3223 .5 SW/WS
.5 SW/WS
.5 SW/WS
X102459
.35 SW/WSN9
RADIO A35y
BOARD
COMPUTER
(BC – LOW)
TACH
WIPER/WASHER
(HIGH) WIPER/WASHER
(LOW)
.35 SW/WS
 







!



6325.0 BRAKE LIGHTS
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) X22
15 2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT1 BL/RT S29
BRAKE LIGHT
SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
GROUND
DISTRIBUTION
0670.4 X318
2
X318
E47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY X3193
X319
5E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
8
1.5 BR H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
1.5 BR
H34
HIGH LEVEL STOP
LIGHT X413
2 X116
X116
6 X13
1 BL/RT 1.5 BL/RT
.5 BR
X4131
X11268
1 BL/RT
 

.35 BL/RT
A8500
TRANSMISSION
CONTROL MODULE
(EGS) X8500
10
X6912
X13006
.5 BL/RT .75 BL/RT
12X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL)
WITH EGS WITHOUT EGS
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT X11394
18 .35 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170
17 .75 BL/RT
WITH ABS WITH ASC
43
4 3 X78
GROUND
DISTRIBUTION
0670.4
X173
.5 BR/GR
11 X69
.5 BR/GR
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
48 X8500
1.5 BL/RT
.75 BL/RT

X78WITH EGS




!



6571.0 CRUISE CONTROL (TEMPOMAT)
FUSE DETAILS
0670.3 X10017
16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX F28
5A
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
.5 BR/SW
F4615A
X10018
32
.5 VI/GE X511
7
 " 1 

'
 
 +
 1 
" 
 
5S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
3126
31
X191
.35 BR/SW1 X72
S28
CRUISE CONTROL
SWITCH
0) NORMAL
1) OFF
2) RESUME
3) DECELERATE/SET
4) ACCELERATE/SET
24
31
3
18
312
9
314 X72
20
X22
31
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) .35 BL/WS .35 BL/GN .35 BL/GR.5 VI/GE
.35 BL/SW FUSE DETAILS
0670.3
468
5 EGS A4S 270R
 

1
1 2
2
15S29
BRAKE LIGHT SWITCH
1) NORMAL STATE
2) BRAKE PEDAL
DEPRESSED
BRAKE LIGHTS
6325.0
X116
X116
.35 BL/RT 1.5 BL/RT1.5 VI/GE
X181
L1L2L3L4
01010101
4 3
01 2
01 2
0
31
20
8X16
.35 SW.5 SW
X1047
31A2w
INSTRUMENT
CLUSTER
TD
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
X78
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
WITHOUT EGS




!


CRUISE CONTROL (TEMPOMAT)
10
2 X17
INSTRUMENT
CLUSTER
6211.0
.35 SW/WS
R
TACH315V (15)
2112
X22
X188
.5 SW/WS
31
2A2w
INSTRUMENT
CLUSTER
2) VEHICLE SPEED
OUTPUT
X10010
.5 SW/BL
54 .5 GE/WS3 X70
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
1) FEEDBACK
POTENTIOMETER
2) CLUTCH A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
.5 RT/BR
GROUND
DISTRIBUTION
0670.4
X10010
X121112 2 X121
S32
CLUTCH SWITCH
1) NORMAL STATE
2) CLUTCH PEDAL
DEPRESSED
GROUND
DISTRIBUTION
0670.4
 

31
13
2
716
11 3
.5 SW/BR .5 SW/GN
GROUND
DISTRIBUTION
0670.41
14 23
.5 BR/OR .5 BR/OR
.35 BL/BR.5 GE/VI
X702

1
2 7
57 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
.35 GE/BR
14 X69
.35 GE/BR
17
.35 WS/VI
DATA LINK
0670.5
WITH EGS WITHOUT EGS TXD
.35 BR/OR