fuel BMW 318is 1998 E36 Electrical Troubleshooting Manual

318is83 .35 SW/GN
15 X1659
.5 WS/SW

6581.2 ON–BOARD COMPUTER (BC V)
POWER
 $%%

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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




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION


A836 .

ELECTRONIC IMMOBILIZER CONTROL
MODULE (EWS II) . . . . . . . . . . . . . . . . . . . .
RH side of dash behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38-3


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

A7000
TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3

B2 . . . .

LEFT FRONT SPEED SENSOR – ABS . . . .

on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

08-3


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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2

B10 . .
VEHICLE SPEED SENSOR . . . . . . . . . . . . . .
under rear of car on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
08-1

B11 . . . LH HEAT EXCHANGER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . center console

B12 . .

RH HEAT EXCHANGER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

center console





B13 . .

OUTSIDE TEMPERATURE SENSOR . . . . . .

rear of engine compartment behind RH fresh air cowl . . . . . . . . . . . . . . . . . . . . . . . . .

15-2


B14 . . EVAPORATOR TEMPERATURE SENSOR . RH side of LH footwell LH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-1
B16 . . LEFT FRONT BRAKE PAD SENSOR . . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3
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 . . . . . . . . . . . . . . . . .
18-3



B21 . .

ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20-1




COMPONENT LOCATION CHART
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 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
B25y . FUEL TANK SENSOR II . . . . . . . . . . . . . . . . . top of fuel tank

B72 . .
FUEL TANK PRESSURE SENSOR . . . . . . . .
RH rear wheel well behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-1

B78 . . DRIVER’S SIDE IMPACT SENSOR . . . . . . . in lower LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-2
B79 . . PASSENGER’S SIDE IMPACT SENSOR . . . in lower RH B–pillar
B6203 CRANKSHAFT POSITION/RPM SENSOR . front of engine below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

B6204
CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1



B6204
CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2


B6205 INTAKE AIR TEMPERATURE SENSOR . . . front LH side of engine compartment (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2

B6205
INTAKE AIR TEMPERATURE SENSOR . . .
LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36-3

B6207 HOT FILM AIR MASS METER . . . . . . . . . . . . LH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
B6209 HALL EFFECT CAMSHAFT SENSOR . . . . . front of engine (318is)
B6217 HOT FILM AIR MASS METER . . . . . . . . . . . . top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2
B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . . . . . front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

B6231

OIL PRESSURE SWITCH . . . . . . . . . . . . . . . .

front of engine below intake manifold (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-1




B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-3



B6232

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine below intake manifold (318is) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-2

B6233 AIR FLOW SENSOR . . . . . . . . . . . . . . . . . . . . LH side of engine compartment right of LH side shock tower


B6236

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-3


B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . . LH side of engine




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION
K9 . . . . UNLOADER RELAY, TERMINAL 15 . . . . . . . behind LH footwell trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3

K10 . .
ABS RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-1

K13 . . REAR DEFOGGER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K19 . . COMPRESSOR CONTROL RELAY . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3

K22 . .
HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-3

K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . . LH side of dash behind instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2
K46z DAY LIGHT RELAY MODULE . . . . . . . . . . . . . below LH side of dash
K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2

K99 . .

REAR WINDOW BLOWER RELAY . . . . . . . .

behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25-2


K108 . HORN RELAY (ALPINE) . . . . . . . . . . . . . . . . . behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2
K117 . . LUGGAGE COMPARTMENT LID RELAY . . behind glove box right
K125 . ABS PUMP MOTOR RELAY, TIMED . . . . . . . rear LH side of engine compartment in Power Distribution Box (318is) . . . . . . . . . . . 19-3

K128
SPATIAL SOUND RELAY . . . . . . . . . . . . . . . .
footwell, driver’s side behind trim panel



K450 PARK VENTILATION RELAY . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2
K6300 ENGINE CONTROL MODULE RELAY . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K6301 CYL. 1–6 FUEL PUMP RELAY . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Front Power Distribution Box . . . . . . . . . . . . 19-1

K6304

SECONDARY AIR PUMP RELAY . . . . . . . . .

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

19-3


K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-1




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION
M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . below RH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2

M3 . . .
WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . . .
rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16-1

M4 . . . WASHER PUMP . . . . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . . . . . . . . 10-1
M7 . . . HEADLIGHT/FOG LIGHT WASHER PUMP . front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . . . . . . . . 10-2
M9 . . . AUXILIARY FAN MOTOR . . . . . . . . . . . . . . . . behind front grille behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1
M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . . . . . in upper LH front door behind trim panel

M13 . .
PASSENGER’S DOOR LOCK MOTOR . . . .
in upper RH front door behind trim panel



M14 . . RIGHT REAR DOOR LOCK MOTOR . . . . . . in upper RH rear door behind trim panel
M15 . . LEFT REAR DOOR LOCK MOTOR . . . . . . . in upper LH rear door behind trim panel
M16 . . GAS FILLER LOCK MOTOR . . . . . . . . . . . . . in RH rear side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-3

M17 . .
LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear side of luggage compartment in lift gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34-2


M20 . . LEFT REAR WINDOW MOTOR . . . . . . . . . . . in lower LH rear door behind trim panel

M21 . .

DRIVER’S WINDOW MOTOR . . . . . . . . . . . .

LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-3


M22 . . RIGHT REAR WINDOW MOTOR . . . . . . . . . in lower RH rear door behind door panel
M23 . . PASSENGER’S WINDOW MOTOR . . . . . . . . RH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-1


M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18-2


M30 . . BLOWER MOTOR . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

M35 . .
DEFROSTER FLAP MOTOR . . . . . . . . . . . . .
RH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29-2

M36 . .

FRESH AIR FLAP MOTOR . . . . . . . . . . . . . . .

below LH side of dash RH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29-3


M40 . . RECIRCULATION FLAP MOTOR . . . . . . . . . below LH side of dash RH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-2




COMPONENT LOCATION CHART
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 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
Y85 . . LH ROLLOVER PROTECTION ACTUATOR behind rear seats (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3

Y86 . .
RH ROLLOVER PROTECTION ACTUATOR
behind rear seats (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-3

Y198 . EXHAUST GAS FLAP VALVE . . . . . . . . . . . . in LH rear side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2
Y199 . CARBON CANISTER VALVE . . . . . . . . . . . . . in spare–wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3
Y6101 CYL. 1 FUEL INJECTION VALVE . . . . . . . . . RH front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6102 CYL. 2 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3

Y6103
CYL. 3 FUEL INJECTION VALVE . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12-3

Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6105 CYL. 5 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6106 CYL. 6 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . . front LH side of engine compartment right of LH side shock tower . . . . . . . . . . . . . . . 15-1

Y6120

EVAPORATIVE EMISSION VALVE . . . . . . . .

LH side of engine compartment right of LH side shock tower . . . . . . . . . . . . . . . . . . .

20-3


Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . . front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2

Y6131
INTAKE AIR RESONANCE CHANGEOVER
VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36-2


Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1

Y6163
SECONDARY AIR PUMP VALVE . . . . . . . . .
RH side of engine





Y6275

VARIABLE CAMSHAFT CONTROL
VALVE 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12-2

Y6550

SOLENOID VALVE (”RUNNING LOSSES”).

under LH center of car




Y8505 TRANSMISSION VALVE UNIT . . . . . . . . . . . . on LH side of transmission




COMPONENT LOCATION VIEWS $%%





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B6207
HOT FILM AIR
MASS METER
Y6101
CYL. 1 FUEL
INJECTION VALVE B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION)
X6275
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVEY6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE X6207
X6252X10094





Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1X10239




COMPONENT LOCATION VIEWS $%%





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Y199
CARBON
CANISTER VALVE Y198
EXHAUST GAS
FLAP VALVE
X13170
X13171
B72
FUEL TANK
PRESSURE
SENSOR
X13172




K10
ABS RELAY
K13
REAR DEFOGGER
RELAY
K19
COMPRESSOR
CONTROL RELAYK6301w
FUEL PUMP RELAY
K21
NORMAL SPEED
RELAY




COMPONENT LOCATION VIEWS $%%





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K2
HORN RELAY
K4
BLOWER RELAY
K16
HAZARD FLASHER
RELAYK47
FRONT FOG LIGHT
RELAY
K48
LOW BEAM LIGHT
RELAYK22
HIGH SPEED
RELAY
K125
ABS PUMP MOTOR
RELAY, TIMEDK6300
ENGINE CONTROL
MODULE RELAY
K6301
CYL. 1–6 FUEL
PUMP RELAY


K6304
SECONDARY AIR
PUMP RELAY







COMPONENT LOCATION VIEWS $%%





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M2
FUEL PUMP
X6120X638X679


318isY6120
EVAPORATIVE
EMISSION VALVE

B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
X770