1998 BMW 318ti Electrical Troubleshooting Manual




!


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
 




!


INDICATORS
INSTRUMENT CLUSTER
.5 SW/WS
F235A
P90
FRONT POWER
DISTRIBUTION BOX F46
15A
F315A

A2w
INSTRUMENT
CLUSTER
1) FUEL
CONSUMPTION
2) VEHICLE SPEED
OUTPUT
11) FUEL GAUGE
14) SPEEDOMETER
31
31 4
16X1622
30
31
X173X2714
B10
VEHICLE SPEED
SENSOR
6211.0-03
X383
2
X3831
X172
31 312
14 1
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4OUTPUT–SIGNAL
SPEEDOMETER
X6792
X12412
13
B25y
FUEL TANK
SENSOR II
B6
FUEL LEVEL
SENSOR
X10018232X100176
X17
X6791 .5 BR/GE
.5 GE
.5 BR/SWX1241
1.5 BR/SW .5 BR/RT
.5 BR/SW
X805
X173
11
01/2
1/1FUSE DETAILS
0670.3
 

.5 BR/GE
X11291
ON–BOARD
COMPUTER
(BC IV)
6581.0.5 BR/GE
23
X1413
.5 BR/GR/GE
X443
N12w
ANTI–THEFT
CONTROL
MODULE
(ALPINE)
X130254
A104
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE IV)X132542 12
X3522
GROUND
DISTRIBUTION
0670.4
X13006
X3521S14
DRIVER’S DOOR
JAMB SWITCH
1) DOOR OPEN
2) DOOR CLOSED
.5 BR/GR/GE
.5 BR/GR/GE .5 BR/GR/GE .5 BR/GR/GE






!
INSTRUMENT CLUSTER
S2
IGNITION SWITCH
4) OPEN
MOMENTARILY
IN START AND
OFF, OPEN
WITH KEY
REMOVED
5) CLOSED IN
OFF, START,
RUN AND
ACCESSORY P90
FRONT POWER
DISTRIBUTION BOX
F315A

A2w
INSTRUMENT
CLUSTER 22
22
.75 BR
X1713
.5 GN/RT
A6000
ENGINE CONTROL
MODULE (DME)
42
X173
2 X10018
X16
X6000
4 5
FUSE DETAILS
0670.3
.5 GN/RT
 

31
3
9
.35 SW/RT
X5222H10
CHIME MODULE
X5221
X173
GROUND
DISTRIBUTION
0670.4
X3312
X3311
.5 BL/SW
.75 BL/SW
X60313
GROUND
DISTRIBUTION
0670.4
.5 RT/GE.5 RT/GE
12
X183
17 X20
.5 WS/VI
.35 WS/VI
.35 WS/VI
X600220 D100
DATA LINK
CONNECTOR
DATA LINK
0670.5




6213.0 CLOCK


!



X102633 5P90
FRONT POWER
DISTRIBUTION BOX F46
15A

FUSE DETAILS
0670.3
31A110
DIGITAL CLOCK X10263
2
GROUND
DISTRIBUTION
0670.4
.35 GR/RT
LIGHT SWITCH
DETAILS
6300.0
X10010
X1001832
6F31
5A

FUSE DETAILS
0670.3 2
 

31

.75 GR/SWX18337
7
21 021 0
PARK/TAIL/UNDER-
HOOD LIGHTS
6314.0F33
10A
6
12 1FUSE DETAILS
0670.3
X10018
2





!



F225A
P90
FRONT POWER
DISTRIBUTION BOX
45
HEADLIGHTS/FOG
LIGHTS
6312.0
FUSE DETAILS
0670.3
A51
WIPER/WASHER
MODULE
21 0
210
21 0
X13006
X196
4
2F25
5A
F3710A

1014
11 1 08 1
X285
X709
X70912
1X710X710
E43
LEFT LICENSE
PLATE LIGHTE44
RIGHT LICENSE
PLATE LIGHT .75 GR/SW
4 .35 GE/VI .35 GE1 GR/SW
.5 GR/SW

6300.0 LIGHT SWITCH DETAILS
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3
1 GR/SW
X10017
GROUND
DISTRIBUTION
0670.4 .75 BR .75 BR
.75 GR/GE .75 GR/GE
31X461
GROUND
DISTRIBUTION
0670.4S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS
ON
2) HEADLIGHTS
ON
3) DIMMER
X173
 

6 X18337
1 GR/RT
F235A

6
2FUSE DETAILS
0670.3
X18333
X18333
6300.0-01
E97
LIGHT SWITCH
ILLUMINATION
10 X13
1 GR/SW
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X101822
.5 GR/SW3






!


6300.0-00
2 X16
31X1019
A2w
INSTRUMENT
CLUSTER .5 GR/RT
.5 GR/RT1 GR/RT
11 X10245A35y
BOARD
COMPUTER
(BC – LOW) .35 GR/RT

LIGHT SWITCH DETAILS
 

WITH INTEGRATED
HEATING– AND
CLIMATE CONTROL
(IHKS) WITH HEATING
CONTROL (HS)
5 X1518
S218
REAR DEFOGGER
SWITCH
6
X15181
1 X1522E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
X15222
.35 GR/RT
X10012
GROUND
DISTRIBUTION
0670.4
1 X1522E103
CLIMATE CONTROL
SWITCH
ILLUMINATION
X15222
.5 GR/RT
X13274S530
IHKS CONTROL
SWITCH .35 GR/RT
6
GROUND
DISTRIBUTION
0670.4 X1521
1 2
X5163
X51645
GROUND
DISTRIBUTION
0670.4 TURN/HAZARD
LIGHTS
6313.0
.5 BL/GN
6300.0-02
X1319
.5 GR/RT .5 GR/RT
2 X532
1 X532
E29
FRONT CIGAR
LIGHTER LIGHT
X10012
GROUND
DISTRIBUTION
0670.4
X10263A110
DIGITAL CLOCK .35 GR/RT
2
X18126N9
RADIO .5 GR/RT
13
2 X1193E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT
X11931
.5 GR/RTX5214
S6
ASC SWITCH
GROUND
DISTRIBUTION
0670.4 X35
5
.5 GR/RT
.35 GR/RT
GROUND
DISTRIBUTION
0670.4S18
HAZARD SWITCH
1) OFF
2) ON.5 GR/RT2 X521
X3225
1 GR/RT
.35 GR/RT
GROUND
DISTRIBUTION
0670.4






!


6300.0-01
X13129
.5 GR/RT
X13176
A56
TILT/SLIDE SUN-
ROOF CONTROL
ASSEMBLY .5 BR
6

LIGHT SWITCH DETAILS
 

3 X643
S38z
TILT/SLIDE
SUNROOF
SWITCH (SHD)
X6434
.5 GR/RT
X12923
S302
CENTRAL LOCKING
SWITCH2 X1292
.35 GR/RT
GROUND
DISTRIBUTION
0670.4
X13006X498
GROUND
DISTRIBUTION
0670.4
3 X316
S126y
DRIVER’S POWER
WINDOW SWITCH
X3164
.5 GR/RT
3 X324
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X3244
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
X494
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X6514
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH 1 X651
.5 GR/RT
X6584
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH 1 X658
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
3 X643
S238
FOLDING
SUNROOF
SWITCH
X6434
.35 GR/RT
X495

.35 GE/GR
X18337



!



11S82y
FOG LIGHT
SWITCH
0) OFF
1) FRONT FOG
LIGHTS ON 2 X18338

6312.0 HEADLIGHTS/FOG LIGHTS
 

F225A
4 X10017
P90
FRONT POWER
DISTRIBUTION BOX
11S8
LIGHT SWITCH
0) OFF
1) PARK LIGHTS ON
2) HEADLIGHTS ON 2 X18337
.35 GE/VI
2 1 0
F235A
2 X18334
1
X18334
X173
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4E98
FOG LIGHT
SWITCH
ILLUMINATION
X18338
6312.0-01
6
1 0
6312.0-03