sensor BMW 318ti 1999 E36 Electrical Troubleshooting Manual




K4
BLOWER RELAY
F2030A F397.5A
5B9
INTERMEDIATE
PRESSURE
SWITCHS36y
DOUBLE
TEMPERATURE
SWITCHK21
NORMAL SPEED
RELAY
B8y
PRESSURE
SWITCH A6000
ENGINE CONTROL
MODULE (DME)
B9508
PRESSURE
SWITCH
X11250
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE
.0
F235AF165A
S2
IGNITION SWITCH
M30
BLOWER MOTOR R11
BLOWER
RESISTORS K19
COMPRESSOR
CONTROL RELAY
Y2
AIR CONDITIONING
COMPRESSORA8500
TRANSMISSION
CONTROL MODULE
(EGS)
A6000
ENGINE CONTROL
MODULE (DME)
Y4z
WATER VALVE
S531
TEMPERATURE
WHEEL SWITCHM111
FRESH AIR
RECIRCULATION
MOTOR4X13274
S530
IHKS CONTROL
SWITCHF16
5AF4840A
K22
HIGH SPEED
RELAY
E103
CLIMATE CONTROL
SWITCH
ILLUMINATION 58g
LIGHT SWITCH
DETAILS
6300.0P97
AUXILIARY FUSE
BOX
6450.6-00
6450.6-00
6450.6-006450.6-00
6450.6-01
6450.6-016450.6-016450.6-026450.6-02
6450.6-026450.6-02
6450.6-01
6450.6-006450.6-03
6450.6-03
6450.6-03 6450.6-03
6450.6-03P90
FRONT POWER
DISTRIBUTION BOX
M9
AUXILIARY FAN
MOTOR 6450.6-03
F165A
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX
B14
EVAPORATOR
TEMPERATURE
SENSOR
6
6450.6-012S75
BLOWER SWITCH 6450.6-00
6
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-01
41
107
K13
REAR DEFOGGER
RELAY 6450.6-01
3
X11250
9 X132741 8
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-03
6450.6-01
6450.6-03
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL



 
Pin Assignments

 

E = Input, A = Output, M = Ground X11250
6-Pins, black
X1327410-Pins, black
X11250
Pin Type Description/Function Connection
1
EAir recirculation signalBlower switch
2MGroundGround point
3EFunction signalIHKS switch, engine control module (DME)
4EAir recirculation signalBlower switch
5EPressure signalPressure switch
6EEvaporative temperatureEvaporative temperature sensor
X13274
Pin Type Description/Function Connection
1
MGroundGround point
2Not used
3Not used
4EAir-recirculation signalBlower switch
5Not used
6ETerminal 58gLight switch
7ETerminal 15Front power distribution box, fuse 23
8AAir recirculation signalFresh air recirculation motor
9AFunction signalIHKS-control module, engine control
module (DME)
10ARear defogger signalRear window defogger relay

31







F235A
6 58g
6 1 X85
1
X10234
X853
X35
3
2
4
X771
2
FUSE DETAILS
0670.3
.5 GE/BR
.5 GE/BR
A107
INTEGRATED
HEATING– AND
CLIMATE CONTROL
MODULE P90
FRONT POWER
DISTRIBUTION BOX
M111
FRESH AIR
RECIRCULATION
MOTORK13
REAR DEFOGGER
RELAY
S531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
.5 GE
4 X35
LIGHT SWITCH
DETAILS
6300.0
GROUND
DISTRIBUTION
0670.4FUSE DETAILS
0670.3
S530
IHKS CONTROL
SWITCH
0) OFF
1) REAR DEFOG-
GER
2) A/C
3) RECIRCULATIONGROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4B14
EVAPORATOR
TEMPERATURE
SENSOR
GROUND DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 A6000
ENGINE CONTROL
MODULE (DME)X11250
X11250
1 GN/GR .5 GN/RT .5 GN/RT .35 GR/RT .5 GN/RT
X10233
X13274
1
X771
Y4z
WATER VALVE
14 3X13279
X132749
1
.35 VI/GR
.35 VI/GR 8 7
10 4 .35 GR/GE8
2
X1517
X151731.5 BL/SW4 X292
X10234
X100176
.5 RT/GE
.35 VI/GR
.5 VI/GR6 X35
6X20
.5 VI/GR
69 X6000
X35
X292
85 86 FUSE DETAILS
0670.3
7
X10012
.35 GR
X10012
030301010202
01
.5 GN/BL

6581.3 BOARD COMPUTER (BC – LOW)





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 MO-
DUS 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






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

A8500
TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0



B1 . . . .
RIGHT FRONT SPEED SENSOR –
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on RH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0



B2 . . . .
LEFT FRONT SPEED SENSOR – ABS
on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

B8y . . .

PRESSURE SWITCH . . . . . . . . . . . . . . . .

near RH headlight assembly




B9 . . . . INTERMEDIATE PRESSURE SWITCH near RH headlight assembly
B10 . . VEHICLE SPEED SENSOR . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

B14 . .
EVAPORATOR TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0



B16 . .
LEFT FRONT BRAKE PAD SENSOR . .
on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

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 . . . . . . . . . 0


B21 . .
ON–BOARD COMPUTER
TEMPERATURE SENSOR . . . . . . . . .
in the engine compartment lower LH side of engine compartment . . . . . . .

0



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



B72 . . FUEL TANK PRESSURE SENSOR . . . RH rear wheel well, behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
B78 . . DRIVER’S SIDE IMPACT SENSOR . . . LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

B79 . .
PASSENGER’S SIDE IMPACT
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
RH B–pillar





B6203
CRANKSHAFT POSITION/RPM
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front of car rear of radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0



B6205
INTAKE AIR TEMPERATURE SENSOR
LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

B6209 HALL EFFECT CAMSHAFT SENSOR . front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

B6217 HOT FILM AIR MASS METER . . . . . . . . top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . LH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .

behind RH fresh air cowl below intake manifold . . . . . . . . . . . . . . . . . . . . . . .


0



B6240

KNOCK SENSOR . . . . . . . . . . . . . . . . . . .

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


0


B9508 PRESSURE SWITCH . . . . . . . . . . . . . . . . near RH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


B62001

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


0



B62002
OXYGEN SENSOR (BEHIND
CATALYTIC CONVERTER) . . . . . . . . .
under center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0



C101 .
CONTACT RING . . . . . . . . . . . . . . . . . . . .
top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

D100 . DATA LINK CONNECTOR . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

D110 . OBD II CONNECTOR . . . . . . . . . . . . . . . . center console right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
E7 . . . . LEFT HEADLIGHT . . . . . . . . . . . . . . . . . . front LH side of engine compartment

E8 . . . .
RIGHT HEADLIGHT . . . . . . . . . . . . . . . . .
front RH side of engine compartment



E9 . . . . REAR DEFOGGER I . . . . . . . . . . . . . . . . on lift gate




COMPONENT LOCATION CHART







 

COMP.8500.0 7100.0LOCATION DESCRIPTION
P90 . . FRONT POWER DISTRIBUTION BOX rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


P95 . .

AUXILIARY FUSE BOX . . . . . . . . . . . . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


P97 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
R11 . . BLOWER RESISTORS . . . . . . . . . . . . . . behind center of dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


R6252
THROTTLE POSITION SENSOR . . . . .
LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


R6255z

THROTTLE POSITION SENSOR (ASC)

LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


S2 . . . . IGNITION SWITCH . . . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


S3 . . . .

AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S4 . . . . HORN SWITCH . . . . . . . . . . . . . . . . . . . . . on steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

S5 . . . .

WIPER/WASHER SWITCH . . . . . . . . . . .

LH side of dash RH side of steering column above




S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . center console
S7 . . . . COMBINATION SWITCH . . . . . . . . . . . . . LH side of dash LH side of steering column above . . . . . . . . . . . . . . . . . . . . 0

S8 . . . .
LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . .
LH side of dash



S13 . . PASSENGER’S DOOR JAMB SWITCH RH front door jamb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . front LH door pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
S17 . . MIRROR CONTROL SWITCH . . . . . . . . in upper LH front door

S18 . .

HAZARD SWITCH . . . . . . . . . . . . . . . . . .

below front of console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . LH side of dash RH side of steering column above . . . . . . . . . . . . . . . . . . . . 0

S29 . .
BRAKE LIGHT SWITCH . . . . . . . . . . . . .
LH footwell on brake pedal support bracket behind LH footwell trim . . . . . .
0




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X6130 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
0

X6131

(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


X6133 (2 PINS, YELLOW) . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

X6150 (7 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 0

X6151
(3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .
top RH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0
X6152

(3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .

top RH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



0
X6153 (3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . top RH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
X6154 (3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . top RH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

X6163
(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .
LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


X6203 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
X6205 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
X6209 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . front of engine HALL EFFECT CAMSHAFT SENSOR . . . . . . . . . . . . . . . . . 0

X6217

(4 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .

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

0

0
X6231 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
X6232 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
0

X6240
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .
top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0
X6252 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
0
X6255 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
0
X6263 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0


X6300

(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . .



0
X6301 (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 0

B1
RIGHT FRONT
SPEED SENSOR –
ABS
B2
LEFT FRONT
SPEED SENSOR –
ABS
B16
LEFT FRONT
BRAKE PAD
SENSOR*E26
LEFT FOG LIGHT
E27
RIGHT FOG LIGHT
X768
X769
*
*X143
X713




COMPONENT LOCATION VIEWS










RH SIMILAR *RH SIMILAR *
 



B6203
CRANKSHAFT
POSITION/RPM
SENSOR
Y6101
Y6102Y6103Y6104




COMPONENT LOCATION VIEWS










 


B9508
PRESSURE
SWITCH
X10261
S36y
DOUBLE
TEMPERATURE
SWITCH
X11379