1999 BMW 318ti Electrical Troubleshooting Manual

X14








ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
7071
X180514
.5 SW/VI
.35 GN
15
10
X600074
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR 1 X6232
A2w
INSTRUMENT
CLUSTER
CYL. 1 AND 2W9110
SHIELD
53
4440
.5 BR/SW
16
X171718
2 7
83
24
A35y
BOARD
COMPUTER
(BC – LOW)
X102454
TIA6000
ENGINE CONTROL
MODULE (DME)
3
X62324
2 X62521
X6252
R6252
THROTTLE
POSITION
SENSOR
.5 BR/SW.75 GR/WS .5 BR/VI
X6461
.5 BR/RT
1 X6205
B6205
INTAKE AIR
TEMPERATURE
SENSOR
.5 BR/SWX6205
2
.5 BR/RT .75 BR/SW
CYL. 3 AND 4
4 X62403
B6240
KNOCK SENSOR
W9110
SHIELD
21
W9110
SHIELD W9110
SHIELD .35 SW .35 SW

.5 BR/
VI.5 BR/GE
.5 BR/
VI.5 BR/GE .35 WS/SW
.5 WS/SW
3
31
31
.5 GR/WS
.5 BR/SW
11X2012
15
19
1 X131713
X13171
B72
FUEL TANK
PRESSURE
SENSOR .5 GR/WS
2
6 X60315
.5 BR/SW
72
18 X1420
X60317.5 BR/SW
.5 GE/RT
.5 GE/RT
.5 GE/RT.5 GR/WS
.5 GR/WSX10169
X20
X6000
 








ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
34
86
X600068
S36y
DOUBLE
TEMPERATURE
SWITCH X1137955
6
1210.20-00
85 X6000
A6000
ENGINE CONTROL
MODULE (DME)
3
2.5 BR 2.5 BR
.35 SW/GN 2.5 BR
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X1170
67
799
.35 SW .35 GE
.75 BR/RT
57
8K21
NORMAL SPEED
RELAY
X52
5
.5 RT/WS
1X62174
45
2
17
3 X6217
1.5 RT/WS
.5 GR/VI .5 GR/BL

+–
X203
.5 GR/VI
X6454
CAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.485
CAN LOW CAN HIGH
GROUND
DISTRIBUTION
0670.4
.35 SW/GR
.35 GE .35 SW B6217
HOT FILM AIR
MASS METER
8
A2w
INSTRUMENT
CLUSTER X16
16 .5 GR
1
.5 GR
42
X17
13 .5 GN/RTX6031
3
.5 GN/RT
31313131
 

A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X8500
8685
CAN HIGH CAN LOW
37
.5 WS/GR/GE.5 GE .5 BR
28
X6454
GROUND
DISTRIBUTION
0670.4
31
12X20
X7846
X7845
.35 GE .35 SW





 
DATA LINK







ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
8060
DATA LINK
0670.5
8788 X6000
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
X20
20
X8015
.5 SW
.5 SW.5 WS/GE
TD
.5 WS/VIA8500
TRANSMISSION
CONTROL MODULE
(EGS)
17
15
18
X6002
.5 WS/VI
X6866
X6863
.5 WS/GE .5 WS/GE
.5 WS/VI .5 WS/GE
A6000
ENGINE CONTROL
MODULE (DME) TXD RXD D100
DATA LINK
CONNECTOR
87 88 X8500
RXD TXD
.5 SW

X1620
3
.5 SW
X1047
.5 SW
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
5
.35 SWX1805
.75 WS/GN
.75 WS/GNX6860
60
1
X6002D100
DATA LINK
CONNECTOR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
8 X22
40
.35 SWTD
TD
.75 WS/GN
.5 SW
31
15
TD
WITHOUT EGS





 








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











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










1230.0 CHARGING SYSTEM
1.5 BL
G6509
GENERATOR
31
3131
B+
D+
A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X20
25
POWER
DISTRIBUTION
0670.2
X7509
X6509
.75 BL 10 RT
X213
X8004
.5 BL
 

2
10
3
X133053
TELEPHONE
CONNECTOR
CENTER CONSOLE
.35 BL



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
X33
1 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
FUSE DETAILS
0670.3 X2
10 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2 POWER
DISTRIBUTION
0670.2
2.5 GN/SW
X18053
7 8
1 A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
GROUND
DISTRIBUTION
0670.4
X1186
2.5 SW/GE
X173
0
 

2F31
5A
FUSE DETAILS
0670.3
2
X1805
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
POWER
DISTRIBUTION
0670.2
1
.35 GE/BL
10
3 X1764
.35 GE/BR
11
L1
EWS TOROIDAL
COIL
9
X0
.35 VI/WS
.35 VI/WS









M6510
STARTER30
3131
50
30h
POWER
DISTRIBUTION
0670.2
.35 SW/GNX276
25 RT
G6509
GENERATOR B+ X6512
1230.0X6509
X6510
10 RT
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) .5 SW/GN
15 X20
X6511
X1018212
2.5 SW/GE
.75 SW/GN