x20 BMW 318is 1998 E36 Electrical Troubleshooting Manual
Page 267 of 386
TEMPERATURE CONTROL
INTEGRATED CLIMATE REGULATION (IHKA E36) $%%
%%&
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
X774X7721
X772
2
B11
LH HEAT
EXCHANGER
TEMPERATURE
SENSOR
5V (15)5V (15)5V (15)5V (15)
3412
X7711
X771
2B14
EVAPORATOR
TEMPERATURE
SENSOR
B13
OUTSIDE
TEMPERATURE
SENSORX7731
X773
2B12
RH HEAT
EXCHANGER
TEMPERATURE
SENSOR
X18161
22X774
.35 GE/RT .35 GE/BL .5 BL .35 GRX1527
.35 BR/OR
.35 BR/OR.35 BR/OR .35 BR/OR .35 BR/OR
X15276
X10054
11A115
AUTOMATIC
CLIMATE CONTROL
MODULE TD
X1047
.35 SW
.35 SW
.5 SW X1527
ENGINE CONTROL
SYSTEM (DME M5.2,
4–CYLINDER M44)
1210.20
A6000
ENGINE CONTROL
MODULE (DME) X6000
80 .5 SW.5 SWX20
20
X8015
5
3 .35 SW/WS
.35 SW/WS
X188
INSTRUMENT
CLUSTER
6211.0
.5 SW/WS
2 X17
TACH
2
31A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUTTD
1
2
36 318is
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17
Page 269 of 386
COMPRESSOR CONTROLS
INTEGRATED CLIMATE REGULATION (IHKA E36) $%%
%%&
15
31
30
87
P90
FRONT POWER
DISTRIBUTION BOX
18 X10018
FUSE DETAILS
0670.3
.75 SW/RT/GE
2
1
.5 SW/BL
5 X51
4
.5 SW/BL
.5 SW/BL
X8056
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATUREK19
COMPRESSOR
CONTROL RELAY
10 X1527
6
A6000
ENGINE CONTROL
MODULE (DME)
8 X10054
15A115
AUTOMATIC
CLIMATE CONTROL
MODULE
FUSE DETAILS
0670.3
6
31
4 X51
12 X1001631
.35 VI/GR
.5 VI/GR
.5 VI/GR
X163
X20
X600036
86
85
.5 SW/BL
69
15
AC
46 X8500
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
7419 318is318is
F397.5AF165A
1
2
318is
Page 270 of 386
AUXILIARY FAN – 6–CYLINDER ENGINE
$%%
%%&
INTEGRATED CLIMATE REGULATION (IHKA E36)
2.5 SW/BL
X82
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE
86 30P90
FRONT POWER
DISTRIBUTION BOX F16
5A
F4130A
K22
HIGH SPEED
RELAY
K21
NORMAL SPEED
RELAY
X872 .5 SW/GR
.35 SW/GN
X822 3
X873 1
S36
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 99
DEGREES C
3) ABOVE 91
DEGREES C
4) OPENM9
AUXILIARY FAN
MOTOR
8X536
4 X52
6
X10261386
87a 85
8530
87
X10261
2
.5 SW/BR
X165
85b X10016
12
4
85X522
X1001822
FUSE DETAILS
0670.3
.5 GN/VI 4 RT/GN
.5 GN/VI 2.5 GN/RT
X10027
.5 BR .5 BR
GROUND
DISTRIBUTION
0670.4
X53
.5 SW/GR
16 X6000
5 X20
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
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
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
.5 BL/SW
.35 BL/SW1
9 X10054
X152711 .5 SW/BRGROUND
DISTRIBUTION
0670.4
9
6450.7-05
15
B9508
PRESSURE
SWITCH
87 85b
.5 SW/GR2.5 BL
4
X1022
6450.7-05
.5 SW/BR
.5 SW/BR25
12
34
NOT USED
124 3
12
Page 271 of 386
.5 RT/WS
AUXILIARY FAN – 4–CYLINDER ENGINE
$%%
%%&
INTEGRATED CLIMATE REGULATION (IHKA E36)
.35 SW/GR
X1890
1 B9
INTERMEDIATE
PRESSURE
SWITCH
1) ABOVE 18 BAR
PRESSURE
2) 15 BAR
PRESSURE P90
FRONT POWER
DISTRIBUTION
BOX
K22
HIGH SPEED
RELAYK21
NORMAL SPEED
RELAY
X113792 .5 SW/GR
4 SW/BL
X18902 3
X203
1
S36y
DOUBLE
TEMPERATURE
SWITCH
1) OPEN
2) ABOVE 88
DEGREES C
3) ABOVE 80
DEGREES C
4) OPEN M9
AUXILIARY FAN
MOTOR
8X536
6 X524
X102613X10261
2
X165
X1001612
42 X525
X15882
FUSE DETAILS
0670.3
4. GN/RT
X10027
GROUND
DISTRIBUTION
0670.4
X53
.5 SW/GR
X6000
5 X20
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
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
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
.5 BL/SW
.35 BL/SW1
9 X10054
X152711 .5 SW/BR
GROUND
DISTRIBUTION
0670.4
B9508
PRESSURE
SWITCH
.5 SW/GR4 BL
4
X1022
.5 SW/BR25
X165
GROUND
DISTRIBUTION
0670.4
P97
AUXILIARY FUSE
BOXP90
FRONT POWER
DISTRIBUTION
BOX
X1001612
FUSE DETAILS
0670.3
X165
15
11
X208
X6000
A6000
ENGINE CONTROL
MODULE (DME)
X600068
.5 GR/VI
X113793
.35 SW/GN
F165A
12
34
12
30 86
87a 85
87
F4840AF165A
124 3
30 86
87 85
57
FUSE DETAILS
0670.3
Page 280 of 386
PROVISIONS
$%%
%%&
6561.0 CELLULAR TELEPHONE (PROVISIONS)
1
X133055
6
FUSE DETAILS
0670.3
X133052
X10012
GROUND
DISTRIBUTION
0670.4
P90
FRONT POWER
DISTRIBUTION BOX
X1001826
FUSE DETAILS
0670.3
F3310AF435A
X3221
X181264
N9
RADIO
TELEPHONE CONNECTOR
MUTE
1 X4005
6
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X1001826
FUSE DETAILS
0670.3
F3310AF435A
6
TELEPHONE CONNECTOR
.5 BL25
2
X13006
GROUND
DISTRIBUTION
0670.4
7
63X213X400
6X17X7509
X600212
X557
.5 WS/BRA2w
INSTRUMENT
CLUSTER G6509
GENERATOR
.5 BL .5 BL 1.5 BL
X8004
.75 BL D+
.35 WS/BR
.35 WS/BR .5 WS/BR
.35 WS/BRD100
DATA LINK
CONNECTOR X20
.35 BL
X14
CENTER CONSOLE LUGGAGE COMPARTMENT
CDN
Page 286 of 386
318is83 .35 SW/GN
15 X1659
.5 WS/SW
6581.2 ON–BOARD COMPUTER (BC V)
POWER
$%%
%%&
B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSORS7
COMBINATION
SWITCH
10) PROGRAM
MODUSA2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
A6000
ENGINE CONTROL
MODULE (DME)
30R30
TI
15
31
3131
.35 BR/GR.35 BR/RT.35 WS/GE.35 WS/VI.35 WS/SW
.5 WS/SW
P90
FRONT POWER
DISTRIBUTION BOX
6 X10017
30 X10018
FUSE DETAILS
0670.3
914
816
.5 SW/GN
.35 GR/RT
START
1240.0
LIGHT SWITCH
DETAILS
6300.0 .35 SW/GN
X1070
21 X16
N4
ON–BOARD
COMPUTER
RXD TXD
12 X1070
475
13 6 X1071
DATA LINK
0670.5
.35 BR/RT
9 X6000
24 X20
1 X770
2 X770
GROUND
DISTRIBUTION
0670.410 X32
1 X32
GROUND
DISTRIBUTION
0670.4
.5 WS/SW
10X276
30h
58g
316
14 X10017
26 X17
23
.35 BL/BR/GE
FUSE DETAILS
0670.3
X16
F235AF275A F457.5A
31
1
X10010X173X10012
CHECK
GROUND
DISTRIBUTION
0670.4
31
FUSE DETAILS
0670.3
.35 BR
15
X228
30
1
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
2 X10018
FUSE DETAILS
0670.3
8
F315A
X1071
14
PARK VENTILATION
WITH HR
6412.10
PARK VENTILATION
WITH IHKA E36
6412.20
TI .5 SW/WS/GE
Page 307 of 386
COMPONENT LOCATION CHART
;
$%% %%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
X17 . . (26 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3 00-2
X20 . .
(25 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18-3
05-2
X22 . . (26 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . RH side of dash behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2 00-2
X32 . . (12 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-3 04-5
X33 . . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LH footwell underside of steering column behind LH footwell trim . . . . . . . . . . . . . . . 27-3 04-5
X35 . . (12 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . below LH side of dash RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-3 04-5
X35 . .
(12 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . .
below LH side of dash RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28-1
04-5
X44 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X45 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X51 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X52 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X53 . .
(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . .
03-6
X54 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X56 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X58 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X63 . .
(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
behind LH footwell speaker grille . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
03-6
X64 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X65 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-6
X69 . . (25 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3 05-2
X70 . . (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2 02-2
X72 . .
(6 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . .
footwell, driver’s side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27-3
06-2
X74 . . (50 PINS, YELLOW) . . . . . . . . . . . . . . . . . . . . . below rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-2 02-5
Page 309 of 386
COMPONENT LOCATION CHART
;
$%% %%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
X163 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . . . . . . . . 10-1 06-3
X165 .
GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
06-3
X168 . (1 PIN, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . . LH side of steering column
X173 . GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-1
X209 . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LH footwell underside of steering column
X256 . (26 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . ahead of RH front door in lower RH A–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1 04-1
X257 .
(26 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
ahead of LH front door in lower LH A–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
04-1
X271 . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LH side of dash rear side of instrument cluster, A2w . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3 01-3
X272 . (2 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . . . . . under roof center panel
X273 . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . in lower LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1 01-2
X274 . (12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . in lower RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1 01-2
X275 .
(4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . .
under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23-2
03-3
X279 . (4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-3 03-3
X285 . (15 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . . behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-2 00-3
X292 . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . 03-6
X295 .
(8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
LH footwell underside of steering column behind LH footwell trim . . . . . . . . . . . . . . .
27-3
03-5
X311 . . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . underside of luggage compartment lid left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2 01-1
X312 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment behind RH rear light assembly . . . . . . . . . . 03-3
X315 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . underside of luggage compartment lid left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2
X316 . (4 PINS, YELLOW) . . . . . . . . . . . . . . . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 10-1
X317 .
(6 PINS, YELLOW) . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-3
07-1
X318 . (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment behind RH rear light assembly . . . . . . . . . . 03-3 01-4
Page 346 of 386
COMPONENT LOCATION VIEWS $%%
%%&
M9
AUXILIARY FAN
MOTOR
B18
BRAKE FLUID
LEVEL SWITCH B6205
INTAKE AIR
TEMPERATURE
SENSOR
S123
ABS PEDAL
TRAVEL SENSOR
X20
X69X111X1162
S63
ENGINE COOLANT
LEVEL SWITCH
X82
X112
318is
B6217
HOT FILM AIR
MASS METERX70
X6205X6217
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
Page 370 of 386
SPLICE LOCATION VIEWS
FRONT HARNESS
X216
X10027
X215
X13304X10302
SPLICE PANEL
X195
X218
X557
X1149X10009
X10064
X11282
X11283
X13115
X13282
X182
X183
X188
X191
X196
X197 X181
X213X228
X1019
X1029
X1047
X1065
X1066
X1067
X1069X1079
X1080
X1085
X1179
X1182X10028
X10024 X10011X10008 X1225X10060
X10103 X10090
SPLICE PANEL
X185
X186
X187
X203
X223
X238 X184
X245X246
X276
X530
X595
X1015
X1022
X1028X1036
X1068
X1073
X1076
X1077
X1152 X1233X1192 X1186
X1177
X1172 X1168X10007
X10021 X10020 SPLICE PANEL
X10100 X10055 X10022
X1055
X1163
X1164
X1258
X10123 X10120X10191
X10231
X10104 X10061 X10252
X11381 X11264X18165
X10192
X1027
X1541
X18784 X18783
X10029X11284
X13000
X13300
X13302
X1687
X1682X1686
X1689
X1691
X1693
X13021
X13311
X13312X13313