p90 BMW 318is 1998 E36 Electrical Troubleshooting Manual




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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
K6304
SECONDARY AIR
PUMP RELAY
G6430
B+ JUMP START
JUNCTION POINT
,&.,. #
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 X6304
X6304
POWER
DISTRIBUTION
0670.2
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
644 BRY6133
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
X6431

X1186
5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4

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1240.0 START
.5 BR/SWX10017
16
5 X511
0P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2
30
X331 4 RT
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
X191
.5 BR/SW
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
2.5 GN/SWFUSE DETAILS
0670.3
" / 
 
 
 
 +
 /
 "
 
X2
10 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
2
10
31
WITHOUT EGSF28
5A
50
POWER
DISTRIBUTION
0670.2
10 RT
X0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A5S 310Z)
2460.4
F457.5A
X1001830
3S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH
PEDAL FULLY
DEPRESSED
12
X18994
2
WITH EGS 1
X173
GROUND
DISTRIBUTION
0670.4
.35 BR/SWFUSE DETAILS
0670.3
X18994
EGS A4S 270R
EGS A5S 310Z

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18 X20
1X16597
GROUND
DISTRIBUTION
0670.4
X173
X16599 35
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
2.5 SW/GE
2.5 SW/GE 2.5 GN/SW
X6810323i, 328i, M3
1240.0-02 2.5 SW/GEFUSE DETAILS
0670.3
F315A
X100182P90
FRONT POWER
DISTRIBUTION BOX

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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 2460.2-06
F285A
2625
2460.2-00
36379
RXD
TXD 87
X8500
88
2460.2-03
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX 2460.2-00
1327
NOT USED20 4518
S8507
KICK–DOWN
SWITCH346
" / 
 
 
 
 +
 /
 "
 
X6410
B+ JUNCTION
POINT
F4615AP90
FRONT POWER
DISTRIBUTION BOX
N4
ON–BOARD
COMPUTER
10
MA
X8500
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)S29
BRAKE LIGHT
SWITCH N10
MULTI–FUNCTION
CLOCK EGS
19A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-06
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-06
4012 17
NOT USED
K19
COMPRESSOR
CONTROL RELAY
4685
A4S 310R
2460.2-00
2460.2-03
A2w
INSTRUMENT
CLUSTER
2460.2-02
85
21530 33 4 32
Y8505
TRANSMISSION
VALVE UNIT
Y8521
TRANSMISSION
VALVE UNIT
2525314
60828357A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 2460.2-06
2460.2-01
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)2460.2-032460.2-05 2460.2-04 2460.2-05 2460.2-04
2460.2-05 2460.2-04
DATA LINK
0670.5
428628
2460.2-02
A52
SLIP CONTROL
MODULE
(ABS/ASC)
2460.2-02
318is WITH ASC2460.2-05 2460.2-04318is Y19
SHIFT–LOCK
2460.2-07 2460.2-012460.2-05 2460.2-04
323i, 328i318is
55
318is328i328i WITH ASC
X8500
1522
PGS
2460.2-02
A35
ON–BOARD
DISPLAY
318is X6411
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)

.5 GE/BL10 RT





POWER, PROGRAM SWITCH
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ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
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 .5 GE/WSNOT USED
AM
.5 GE/BR
X850026
X6411
POWER
DISTRIBUTION
0670.2
31
318is318is
1 RT
X6410318is

ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
1TWO–DOOR
5TWO–DOOR 9
31313131




GEAR SELECTOR SWITCH
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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
X5113
1 BL/GES3
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
6
X319
4
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
FUSE DETAILS
0670.3
01
X13006
01010102
16X1001712EGS A4S 270R
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT 2
X1193
1 .5 GR/RT
X1193
GROUND
DISTRIBUTION
0670.4
X10012
LIGHT SWITCH
DETAILS
6300.0 58g
X1019
.5 GR/RT
FUSE DETAILS
0670.3
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) X1659
5




SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH
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ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 234 6 X8500
25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
GROUND
DISTRIBUTION
0670.4 .5 GR/BR
.5 GR/BR
.5 BR/VI .5 VI
AUSF
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
X10090
X783
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
–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
318is
60 .75 WS/GN
28
GROUND
DISTRIBUTION
0670.4
X6454
A35
ON–BOARD
DISPLAY
11
///
18
X8507
1X69
17
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED .75 GR/GE
1.5 SW
1 2




SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH
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ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
15
5V (15)
15
25
48 2
18X8500
X85071X69
17 25X16
5A2w
INSTRUMENT
CLUSTER
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
S8507
KICK–DOWN
SWITCH
1) NORMAL
2) ACCELERATOR
PEDAL FULLY
DEPRESSED .5 GR/BR
.5 GR/BR
.5 BR/VI .5 VI .75 GR/GE
1.5 SWAUSF
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
X10090
X783
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 31 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
.5 BR/GR
2460.2-01
323i, 328i
60 .75 WS/GN
A35
ON–BOARD
DISPLAY
11
/
34 28
GROUND
DISTRIBUTION
0670.4
GROUND
DISTRIBUTION
0670.4
X6454
/

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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
2460.4-04 2460.4-02
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 2460.4-03
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
2460.4 ELECTRONIC TRANSMISSION CONTROL (EGS A5S 310Z)

5
2M3

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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