relay BMW 318ti 1998 E36 Electrical Troubleshooting Manual








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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
,.#
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 X6304X6304
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
64Y6133
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
 

4 RT
GROUND
DISTRIBUTION
0670.4
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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)


 



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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)



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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



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F215A
3450.1-01
3450.1-00
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K125
ABS PUMP MOTOR
RELAY, TIMED
A52
SLIP CONTROL
MODULE
(ABS/ASC)
17 X1170
41 X11395
TXD 36


F1030AF275A
A2w
INSTRUMENT
CLUSTER
42528311
S30
BRAKE LIGHT
SWITCH F38
30AF4615A
3
3450.1-00
3450.1-00
32 11
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0313 34
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0312 33
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0314 35
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-033776
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-02A8500
TRANSMISSION
CONTROL MODULE
(EGS) 3450.1-02
2232425262227294
F215A
S6
ASC SWITCH 3450.1-02
39
LIGHT SWITCH
DETAILS
6300.0
404
58g
X1170
15
2
S29
BRAKE LIGHT
SWITCH
X11395
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)R6255z
THROTTLE
POSITION SENSOR
(ASC)
1930831
X1170X11395X1170
X1170X11395
3450.1-02
3450.1-00X1170
WITH EGS
3450.1 SLIP CONTROL (ABS/ASC)


 



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Pin Assignments


E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
1
ALeft front outlet valveABS hydraulic unit
2ALeft front inlet valveABS hydraulic unit
3MGroundGround point
4EVoltage supplyFuse 21
5Not used
6E/ACAN-LOWDME/EGS module
7E/ACAN-HIGHDME/EGS module
8AAccelerator pedal position, voltageAccelerator pedal position sensor (ASC)
9MAccelerator pedal position, groundAccelerator pedal position sensor (ASC)
10Not used
11ESpeed signalLeft front speed sensor (ABS)
12ESpeed signalRight front speed sensor (ABS)
13ESpeed signalLeft rear speed sensor (ABS)
14ESpeed signalRight rear speed sensor (ABS)
15ESignal pump motorABS pump motor relay
16Not used
17EBrake pedal positionBrake light switch
18Not used
19MGroundGround point
20Not used
21Not used
22ARight rear outlet valveABS hydraulic unit
23ARight front inlet valveABS hydraulic unit
24ARight front outlet valveABS hydraulic unit
25ALeft rear outlet valveABS hydraulic unit
26ALeft rear inlet valveABS hydraulic unit
27ARight rear inlet valveABS hydraulic unit
28AActivate relayABS pump motor relay
29ASeperator valveABS hydraulic unit
30EAccelerator pedal position, signalAccelerator pedal position sensor (ASC)


 



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Pin Assignments


E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
AABS signalABS pump motor relay/Hydraulic unit
32ASensor groundLeft front speed sensor (ABS)
33ASensor groundRight front speed sensor (ABS)
34ASensor groundLeft rear speed sensor (ABS)
35ASensor groundRight rear speed sensor (ABS)
36E/ATxD diagnostic data linkData link connector
37ARight rear speed signalDME module
38Not used
39EASC signalASC switch
40AABS signalInstrument cluster
41MGroundGround point
42AASC signalInstrument cluster
X11395
Pin Type Description/Function Connection
1
AAuxiliary throttle position, voltageAuxiliary throttle position motor (ADS)
2MGroundGround point
3AAuxiliary throttle position, groundAuxiliary throttle position motor (ADS)
4EVoltage supplyFuse 38
5AABS signalABS hydraulic unit





 

X11395
X11393
SLIP CONTROL (ABS/ASC)



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K125
ABS PUMP MOTOR
RELAY, TIMED


32X10018
1 X78
.5 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212 X78
692
48 X11393
23 X16
17
BRAKE LIGHTS
6325.0
440
.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
.5 BR/SW 2.5 RT/GN/GE
A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
F4615AF215AF3830A F275AF1030A
.5 BL/BR12 X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
42
FUSE DETAILS
0670.3
3450.1-01
.35 RT/BL
21
, .#
X116
X116
S29
BRAKE LIGHT
SWITCH
1) NORMAL
STATE
2) BRAKE PEDAL
DEPRESSED
30X1170
32 X6255
8
11X603112 .5 WS/RT .5 BL/GN
.5 GR/SW .5 GR/BL
R6255z
THROTTLE
POSITION SENSOR
(ASC)
.5 GR/WS
X11704
1 X6255
WITH EGS

01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 X13173GROUND
DISTRIBUTION
0670.4
1.5 RT/GE
4
X63
.5 RT/GE





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5203.0 HEATED SEATS
X100176P90
FRONT POWER
DISTRIBUTION BOX F23
5A
LIGHT SWITCH
DETAILS
6300.0
X100158F4
15A
86 X63
FUSE DETAILS
0670.3
K9
UNLOADER RELAY,
TERMINAL 15
2 4
6
5X651
231
X651S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 RT/GE
X13129
2 2 X732X733
1 X7331 X732
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
X13006X494X495
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 2 X741
X740
1 X7401 X741
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 RT/GE .5 RT/GE.5 GR/RT .5 GR/RT.5 GR/RT
58g
FUSE DETAILS
0670.3
 

.5 BR .5 BR
.5 BR
X173
GROUND
DISTRIBUTION
0670.4
X494GROUND
DISTRIBUTION
0670.4
01
0 2
10 Test
9
8
7
6154
14
13
12
11
3
2
8730
86
85
X14121.5 RT/GE

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P90
FRONT POWER
DISTRIBUTION BOX F1
30A
X10015
2
K45
FOLDING SUN-
ROOF COMFORT
RELAY X1814
FUSE DETAILS
0670.3
M24z
FOLDING SUN-
ROOF MOTOR
2

5410.4 ELECTRIC FOLDING SUNROOF
 

X18147
X1325419 18
3
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X495
310 0 0
1 2 X6433
946
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)1 X6272
58
LIGHT SWITCH
DETAILS
6300.0
4X643
2
58g
S238
FOLDING SUN-
ROOF SWITCH
0) OFF
1) OPEN
2) OPEN AUTO-
MATICALLY
3) CLOSE .35 GR/RT
.35 WS/GE .35 SW/GE .35 SW/GN .35 SW/RT2.5 SW 2.5 GN