engine oil BMW 318ti 1999 E36 Electrical Troubleshooting Manual





Pin Assignments


 

E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
9ASound tone signalChime module
10Not used
11Not used
12EASC signalASC control module
13ATI-measurement signal (fuel consumption)Engine control module (DME)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distibution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor
18ECoolant temperature sensor (+)Coolant temperature sensor
19EOil pressure warning lamp controlOil pressure switch
20Not used
21EABS warning lamp (ABS)ABS control module/hydraulic unit/slip
control module (ABS/ASC)
22EIgnition key warning/audible ignition key
warningIgnition switch
23EDriver’s door openDriver’s door jamb switch
24Not used

1 X6031
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX F27
5A
X1623
X1001714







INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X62322B6232
ENGINE COOLANT
TEMPERATURE
SENSOR15
R
18X1620
.5 SW
GROUND
DISTRIBUTION
0670.4.5 BR/VI
3
SPEEDOMETER
X10010
31
1112
17
.5 BR/GE 24 X16
31
TEMPERATURE
GAUGE
X8015
A6000
ENGINE CONTROL
MODULE (DME) X6000
7
TD 12B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE
19
1 X6232
23
.5 SW20 X20
.35 BR/GN
X6231
1
X1715
.35 WS/GN
19
X60027
 

.5 WS/GN
D100
DATA LINK
CONNECTOR.5 SW
.5 SW .5 SW
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
5 X1805
.35 SW
X1047
16
.5 GR
.5 GR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 8 X22
.35 SW
CHECK
ENGINE
WITHOUT EGS
.5 BR/GN .5 BR/VI .5 BR/GE
80 8 X20
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 40 X8500
.5 SW
1 X6002
D100
DATA LINK
CONNECTORTD




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
K6300 ENGINE CONTROL MODULE RELAY . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0

K6301w

FUEL PUMP RELAY . . . . . . . . . . . . . . . .

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


0


K6304 SECONDARY AIR PUMP RELAY . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . 
0
K6326 UNLOADER RELAY, TERMINAL 15 . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

L1 . . . .
EWS TOROIDAL COIL . . . . . . . . . . . . . .
at ignition switch



M2 . . .

FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . .

below RH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . 0
M4 . . . WASHER PUMP . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . 0

M7 . . .
HEADLIGHT/FOG LIGHT WASHER
PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

0



M9 . . .

AUXILIARY FAN MOTOR . . . . . . . . . . . .

behind front grille behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . in lower LH front door behind trim panel
M13 . . PASSENGER’S DOOR LOCK MOTOR in lower RH side of front door behind trim panel

M16 . .
GAS FILLER LOCK MOTOR . . . . . . . . .
in RH rear side of luggage compartment behind trim panel . . . . . . . . . . . . .

0



M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . .

0

M21 . . DRIVER’S WINDOW MOTOR . . . . . . . . LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0
M23 . . PASSENGER’S WINDOW MOTOR . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

M24z . FOLDING SUNROOF MOTOR . . . . . . . . in roof panel



M25 . .



CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . .


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


0



M30 . . BLOWER MOTOR . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl




COMPONENT LOCATION CHART






 

COMP.8500.0 7100.0LOCATION DESCRIPTION

S78 . .
PASSENGER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
above RH sun visor in sun visor bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0


S82y . FOG LIGHT SWITCH . . . . . . . . . . . . . . . . on instrument cluster

S126y

DRIVER’S POWER WINDOW SWITCH

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

0




S127y

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

0


S198 . JET HEATER THERMOSWITCH . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0

S218 . REAR DEFOGGER SWITCH . . . . . . . . . center console

S235 .

STARTER IMMOBILIZATION SWITCH .

LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


0


S238 . FOLDING SUNROOF SWITCH . . . . . . . in roof panel
S302 . CENTRAL LOCKING SWITCH . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0


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 . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0

T6151 CYL. 1 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
T6152 CYL. 2 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
T6153 CYL. 3 IGNITION COIL . . . . . . . . . . . . . . RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

T6154

CYL. 4 IGNITION COIL . . . . . . . . . . . . . .

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

0


X0 . . . . B+ JUNCTION POINT . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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