1998 BMW 318ti Temperature

6581.3 BOARD COMPUTER (BC – LOW)

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B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
31 30
31 31 31
.35 BR/GR
P90
FRONT POWER
DISTRIBUTION BOX
232 X10018
FUSE DETAILS
0670.3
510
911
LIGHT SWITCH
DETAILS
6300.0
X10245
86 X10245
X10010
1 X770
2 X770
GROUND
DISTRIBUTION
0670.4
X10010GROUND
DISTRIBUTION
0670.4
58g
FUSE DETAILS
0670.3
 

.35 WS/VI2.35 WS/GE3
B25y
FUEL TANK
SENSOR II .5 BR/GE7
2 X679
1 X679
15
.5 SW/WS2
X188
INSTRUMENT
CLUSTER
6211.0
X11291
1 X13
B6
FUEL LEVEL
SENSOR 2 X1241
1 X1241
.5 GE15
31
3 X271
.5 BR/SW
.5 BR/GE
1 X271
15
.35 BR/RT1
10 X32
1 X32
X173
GROUND
DISTRIBUTION
0670.4
A2w
INSTRUMENT
CLUSTER
2) VEHICLE
SPEED
OUTPUT 2
X17
.35 SW/WS
.35 GR/RT
A35y
BOARD
COMPUTER
(BC – LOW)
S7
COMBINATION
SWITCH
10) PROGRAM
MODUS 10TXD RXD
DATA LINK
0670.5.5 BR/GE
.5 BR/GE
A2w
INSTRUMENT
CLUSTER
.5 BR/SW.5 BR/SW
X805
INSTRUMENT
CLUSTER
6211.0
31415
.5 WS/SWA6000
ENGINE CONTROL
MODULE (DME)
X6000
24X20
.35 WS/SW
31
F315AF4615A
83
.35 BR/RT
.35 BR




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION

A836 .
ELECTRONIC IMMOBILIZER
CONTROL MODULE (EWS II) . . . . . .
under glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-2


A6000 ENGINE CONTROL MODULE (DME) . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-1



A8500



TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . .


rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


00-1





B1 . . . .

RIGHT FRONT SPEED SENSOR –
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on RH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

06-3


B2 . . . . LEFT FRONT SPEED SENSOR – ABS on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
B3 . . . . RIGHT REAR SPEED SENSOR – ABS on RH rear wheel, above brake caliper
B4 . . . . LEFT REAR SPEED SENSOR – ABS . on LH rear wheel, above brake caliper

B6 . . . .

FUEL LEVEL SENSOR . . . . . . . . . . . . . .

below LH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13-1


B8y . . . PRESSURE SWITCH . . . . . . . . . . . . . . . . near RH headlight assembly
B9 . . . . INTERMEDIATE PRESSURE SWITCH near RH headlight assembly

B10 . .
VEHICLE SPEED SENSOR . . . . . . . . . .
on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26-1



B14 . .

EVAPORATOR TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-1


B16 . . LEFT FRONT BRAKE PAD SENSOR . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
B17 . . RIGHT REAR BRAKE PAD SENSOR . . behind RH rear wheel

B18 . .
BRAKE FLUID LEVEL SWITCH . . . . . . .
rear LH side of engine compartment top of brake fluid reservoir . . . . . . . . .
09-2



B21 . .

ON–BOARD COMPUTER
TEMPERATURE SENSOR . . . . . . . . .
in the engine compartment lower LH side of engine compartment . . . . . . .
14-1

B25y . FUEL TANK SENSOR II . . . . . . . . . . . . . below RH side of rear seat




COMPONENT LOCATION CHART
:





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COMP.8500.0 7100.0LOCATION DESCRIPTION
B72 . . FUEL TANK PRESSURE SENSOR . . . RH rear wheel well, behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1

B78 . .

DRIVER’S SIDE IMPACT SENSOR . . .

LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29-3




B79 . .

PASSENGER’S SIDE IMPACT
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
RH B–pillar






B6203

CRANKSHAFT POSITION/RPM
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front of car rear of radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

08-1


B6205 INTAKE AIR TEMPERATURE SENSOR LH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-3
B6209 HALL EFFECT CAMSHAFT SENSOR . front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

B6217

HOT FILM AIR MASS METER . . . . . . . .

top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

09-3


B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . LH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1


B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
behind RH fresh air cowl below intake manifold . . . . . . . . . . . . . . . . . . . . . . .

28-1


B6240 KNOCK SENSOR . . . . . . . . . . . . . . . . . . . top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-2

B9508
PRESSURE SWITCH . . . . . . . . . . . . . . . .
near RH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
08-3



B62001

OXYGEN SENSOR (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . .
under center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25-1




B62002

OXYGEN SENSOR (BEHIND
CATALYTIC CONVERTER) . . . . . . . . .
under center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26-3


C101 . CONTACT RING . . . . . . . . . . . . . . . . . . . . top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-1
D100 . DATA LINK CONNECTOR . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-2

D110 .
OBD II CONNECTOR . . . . . . . . . . . . . . . .
center console right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-3

E7 . . . . LEFT HEADLIGHT . . . . . . . . . . . . . . . . . . front LH side of engine compartment




COMPONENT LOCATION CHART
:





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COMP.8500.0 7100.0LOCATION DESCRIPTION
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . LH side of dash RH side of steering column above . . . . . . . . . . . . . . . . . . . . 16-3

S29 . .

BRAKE LIGHT SWITCH . . . . . . . . . . . . .

LH footwell on brake pedal support bracket behind LH footwell trim . . . . . .

15-3


S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . 15-3
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

S32 . .
CLUTCH SWITCH . . . . . . . . . . . . . . . . . .
LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15-3

S36y .

DOUBLE TEMPERATURE SWITCH . . .

front RH side of engine compartment near RH headlight assembly . . . . . .

08-3


S37 . . GLOVE BOX LIGHT SWITCH . . . . . . . . in glove box
S38z . TILT/SLIDE SUNROOF SWITCH (SHD) in roof panel

S47 . .
DRIVER’S DOOR LOCK SWITCH . . . . .
LH front door in door at key lock assembly



S48 . . DRIVER’S DOOR HANDLE SWITCH . . in driver’s door
S49 . . PASSENGER’S DOOR LOCK SWITCH RH front door in door at key lock assembly

S51 . .
DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under driver’s seat





S53 . .
DRIVER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-2



S54 . .
PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19-1





S56 . .



PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .


under passenger’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


19-1



S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . in LH front seat belt buckle
S59 . . PASSENGER’S SEAT BELT SWITCH . in RH front seat belt buckle




COMPONENT LOCATION CHART
:





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COMP.8500.0 7100.0LOCATION DESCRIPTION

S61y .
LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22-2


S75 . . BLOWER SWITCH . . . . . . . . . . . . . . . . . . center of dash



S77 . .



DRIVER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .


above LH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


24-1





S78 . .

PASSENGER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
above RH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15-1


S82y . FOG LIGHT SWITCH . . . . . . . . . . . . . . . . on instrument cluster
S126y DRIVER’S POWER WINDOW SWITCH center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-2

S127y
PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19-2



S198 .
JET HEATER THERMOSWITCH . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29-2

S218 . REAR DEFOGGER SWITCH . . . . . . . . . center console
S235 . STARTER IMMOBILIZATION SWITCH . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
S238 . FOLDING SUNROOF SWITCH . . . . . . . in roof panel

S302 .

CENTRAL LOCKING SWITCH . . . . . . . .

center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19-2


S530 . IHKS CONTROL SWITCH . . . . . . . . . . . . center of dash
S531 . TEMPERATURE WHEEL SWITCH . . . . center of dash

S8503
PROGRAM SWITCH . . . . . . . . . . . . . . . .
center console



S8507 KICK–DOWN SWITCH . . . . . . . . . . . . . . LH footwell
S8511 REVERSING LIGHT SWITCH . . . . . . . . under front of car LH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3
T6151 CYL. 1 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

B6203
CRANKSHAFT
POSITION/RPM
SENSOR
Y6101
Y6102Y6103Y6104




COMPONENT LOCATION VIEWS




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B9508
PRESSURE
SWITCH
X10261
S36y
DOUBLE
TEMPERATURE
SWITCH
X11379


M3
WIPER MOTOR
X333
B18
BRAKE FLUID
LEVEL SWITCH
X20X70X6205




COMPONENT LOCATION VIEWS




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D100
DATA LINK
CONNECTOR
X69
X111X6002
X6217
B6205
INTAKE AIR
TEMPERATURE
SENSOR
B6217
HOT FILM AIR
MASS METER
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)

M2
FUEL PUMP
X638
X679
B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
X770
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
S21w
ENGINE HOOD
SWITCH
X123
X371




COMPONENT LOCATION VIEWS




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