BMW 318is 1999 E36 Electrical Troubleshooting Manual




COMPONENT LOCATION CHART







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

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



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




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION


B21 . .

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

20-1


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

12-2



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

11-1


B6205 INTAKE AIR TEMPERATURE SENSOR . . . front LH side of engine compartment (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 (318i)
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 (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-2



B6236

ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . . LH side of engine

B6240
KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . . .
top front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-2



B6256

DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE) . . . . . . . . . .
RH front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11-1

B9508

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

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

09-3




B62001

OXYGEN SENSOR (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-1




B62002

OXYGEN SENSOR (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-2




B62101

OXYGEN SENSOR I (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38-2



B62102

OXYGEN SENSOR I (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter





B62201

OXYGEN SENSOR II (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38-2



B62202

OXYGEN SENSOR II (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter



C101 . CONTACT RING . . . . . . . . . . . . . . . . . . . . . . . . top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-2
C900 . SUPPRESSION FILTER . . . . . . . . . . . . . . . . . in upper RH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2
D100 . DATA LINK CONNECTOR . . . . . . . . . . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1
D110 . OBD II CONNECTOR . . . . . . . . . . . . . . . . . . . . below LH side of dash

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



E8 . . . . RIGHT HEADLIGHT . . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
E9 . . . . REAR DEFOGGER I . . . . . . . . . . . . . . . . . . . . in rear window




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
E10 . . REAR DEFOGGER/ANTENNA . . . . . . . . . . . in rear window

E11 . . .
LEFT HIGH BEAM LIGHT . . . . . . . . . . . . . . . .
near LH headlight assembly



E12 . . RIGHT HIGH BEAM LIGHT . . . . . . . . . . . . . . near RH headlight assembly
E13 . . LEFT LOW BEAM LIGHT . . . . . . . . . . . . . . . . near LH headlight assembly
E14 . . RIGHT LOW BEAM LIGHT . . . . . . . . . . . . . . . near RH headlight assembly
E15 . . LEFT PARK LIGHT . . . . . . . . . . . . . . . . . . . . . . front of vehicle

E19 . .
RIGHT PARK LIGHT . . . . . . . . . . . . . . . . . . . .
front of vehicle



E25 . . FRONT ASHTRAY LIGHT . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-2
E26 . . LEFT FOG LIGHT . . . . . . . . . . . . . . . . . . . . . . . under LH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-2
E27 . . RIGHT FOG LIGHT . . . . . . . . . . . . . . . . . . . . . under RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-2
E28 . . FRONT CIGAR LIGHTER . . . . . . . . . . . . . . . . near gearshift lever

E28y .

REAR ASHTRAY LIGHT . . . . . . . . . . . . . . . . .

below center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-2


E29 . . FRONT CIGAR LIGHTER LIGHT . . . . . . . . . center console
E32 . . LUGGAGE COMPARTMENT LIGHT . . . . . . . in luggage compartment

E34 . .
FRONT DOME LIGHT/MAP READING
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .
under roof center panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

04-2


E35 . . DRIVER’S MAKE–UP MIRROR LIGHT . . . . above LH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-1

E36 . .
PASSENGER’S MAKE–UP MIRROR LIGHT
above RH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23-1

E39 . . LEFT REAR INTERIOR LIGHT . . . . . . . . . . . in upper LH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-1
E40 . . RIGHT REAR INTERIOR LIGHT . . . . . . . . . . in upper RH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2
E42 . . GLOVE BOX LIGHT . . . . . . . . . . . . . . . . . . . . . LH side of glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-1
E43 . . LEFT LICENSE PLATE LIGHT . . . . . . . . . . . . underside of luggage compartment lid, near license plate . . . . . . . . . . . . . . . . . . . . . . 09-1




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
E44 . . RIGHT LICENSE PLATE LIGHT . . . . . . . . . . underside of luggage compartment lid, near license plate . . . . . . . . . . . . . . . . . . . . . . 09-1

E45y .
CASSETTE BOX LIGHT . . . . . . . . . . . . . . . . .
center of dash





E46 . .

LEFT LUGGAGE COMPARTMENT LIGHT
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .
in LH rear side of luggage compartment



E47 . .

RIGHT LUGGAGE COMPARTMENT LIGHT
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .

in RH rear side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

03-3



E48 . .

DOOR LOCK HEATER . . . . . . . . . . . . . . . . . .

LH front door




E51 . . LEFT WASHER JET HEATER . . . . . . . . . . . . on underside of engine hood
E52 . . RIGHT WASHER JET HEATER . . . . . . . . . . . on underside of engine hood
E56 . . DRIVER’S SEATBACK HEATER . . . . . . . . . . in upper LH front seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3

E57 . .
DRIVER’S SEAT HEATER . . . . . . . . . . . . . . . .
under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23-3

E58 . . PASSENGER’S SEAT HEATER . . . . . . . . . . . underside of RH front seat
E59 . . PASSENGER’S SEATBACK HEATER . . . . . in upper RH front seatback
E61 . . LEFT FRONT FOOTWELL LIGHT . . . . . . . . . LH footwell
E62 . . RIGHT FRONT FOOTWELL LIGHT . . . . . . . right footwell

E82 . .

TRANSMISSION POSITION INDICATOR
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

center console





E96 . .
GEAR SHIFT LEVER INDICATOR . . . . . . . .
center console



E99 . . HARD TOP CONNECTOR 1 . . . . . . . . . . . . . . in convertible top compartment
E100y HARD TOP CONNECTOR 2 . . . . . . . . . . . . . . in convertible top compartment
E101 . LEFT LUGGAGE COMPARTMENT LIGHT . in LH rear side of luggage compartment (Convertible)
E102 . RIGHT LUGGAGE COMPARTMENT LIGHT in RH rear side of luggage compartment (Convertible)

F97 . . .

FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . . . . .

in RH side of luggage compartment




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment (318i)

G1 . . .
BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH rear side of luggage compartment



G5 . . . DRIVER’S AIR BAG GAS GENERATOR . . . behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-2


G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27-2




G12 . .

DRIVER’S SIDE PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . .
driver’s seat right






G13 . .

PASSENGER’S SIDE PYROTECHNICAL
BELT TENSIONER . . . . . . . . . . . . . . . . . . . .
passenger’s seat left




G14 . . LEFT SIDE AIR BAG GAS GENERATOR . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-3
G15 . . RIGHT SIDE AIR BAG GAS GENERATOR . in passenger’s door
G6430 B+ JUMP START JUNCTION POINT . . . . . . rear RH side of engine compartment back of RH side shock tower . . . . . . . . . . . . . . 05-1

G6509
GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
05-2

H2 . . . LEFT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment
H3 . . . RIGHT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment
H4 . . . RIGHT FRONT TURN LIGHT . . . . . . . . . . . . . front of vehicle
H5 . . . RIGHT REAR TURN LIGHT . . . . . . . . . . . . . . RH side of body rear end

H6 . . .
LEFT REAR TURN LIGHT . . . . . . . . . . . . . . .
LH side of body rear end



H7 . . . LEFT FRONT TURN LIGHT . . . . . . . . . . . . . . front of vehicle
H8 . . . RIGHT FRONT AUXILIARY TURN LIGHT . . front of vehicle
H9 . . . LEFT FRONT AUXILIARY TURN LIGHT . . . front of vehicle
H10 . . CHIME MODULE . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash

H1w . .

ANTI–THEFT HORN (ALPINE) . . . . . . . . . . .

front RH side of engine compartment




COMPONENT LOCATION CHART








COMP.8500.0 7100.0LOCATION DESCRIPTION
H24 . . LEFT BRAKE LIGHT . . . . . . . . . . . . . . . . . . . . LH side of body rear end

H25 . .
LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . .
LH side of body rear end



H26 . . LEFT REAR FOG LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H27 . . LEFT BACK UP LIGHT . . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H28 . . RIGHT BACK UP LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H30 . . RIGHT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H31 . .
RIGHT BRAKE LIGHT . . . . . . . . . . . . . . . . . . .
RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY



H34 . . HIGH LEVEL STOP LIGHT . . . . . . . . . . . . . . . at back of rear window shelf
H34z . HIGH LEVEL STOP LIGHT/REAR SPOILER in rear spoiler
H37 . . LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H39 . . RIGHT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . right rear light assembly

H42 . .

LEFT MID–HIGH RANGE SPEAKER . . . . . .

in upper LH front door




H43 . . RIGHT MID–HIGH RANGE SPEAKER . . . . . in upper RH front door
H45 . . RIGHT REAR SPEAKER . . . . . . . . . . . . . . . . . under rear window shelf
H46 . . LEFT REAR SPEAKER . . . . . . . . . . . . . . . . . . under rear window shelf

H50 . .
RIGHT FRONT HIGH RANGE SPEAKER . .
in upper RH front door



H51 . . RIGHT FRONT LOW RANGE SPEAKER . . in lower RH A–pillar
H52 . . RIGHT REAR LOW RANGE SPEAKER . . . . under rear window shelf
H53 . . RIGHT REAR HIGH RANGE SPEAKER . . . under rear window shelf
H54 . . RIGHT FRONT MIDRANGE SPEAKER . . . . in upper RH front door

H55 . .

LEFT FRONT MIDRANGE SPEAKER . . . . .

in upper LH front door




H56 . . LEFT REAR HIGH RANGE SPEAKER . . . . . under rear window shelf




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
H57 . . LEFT REAR LOW RANGE SPEAKER . . . . . under rear window shelf

H58 . .
LEFT FRONT LOW RANGE SPEAKER . . . .
in lower LH A–pillar



H59 . . LEFT FRONT HIGH RANGE SPEAKER . . . in upper LH front door
H66 . . SUBWOOFER . . . . . . . . . . . . . . . . . . . . . . . . . . behind trim panel
I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat area
K2 . . . . HORN RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2

K4 . . . .
BLOWER RELAY . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-2

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-2

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 (318i) . . . . . . . . . . . . 19-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
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

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
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



M21 . .
DRIVER’S WINDOW MOTOR . . . . . . . . . . . .
LH front door behind door panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31-3

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




COMPONENT LOCATION CHART








COMP.8500.0 7100.0LOCATION DESCRIPTION
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


M43 . .

CONVERTIBLE TOP STORAGE LID LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in convertible top compartment left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22-1


M44 . . REGULATION FLAP MOTOR . . . . . . . . . . . . . RH side of IHKA Plenum
M46 . . REAR RECIRCULATION FLAP MOTOR . . . RH side of IHKA Plenum
M50 . . DRIVER’S SEAT CUSHION TILT MOTOR . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3

M51 . .
DRIVER’S SEAT MOVEMENT MOTOR . . . .
under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23-3

M52 . . DRIVER’S SEAT HEIGHT MOTOR . . . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3
M53 . . DRIVER’S SEATBACK RECLINER MOTOR under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3


M55z .

DRIVER’S SEAT LUMBAR SUPPORT MO-
TOR/VALVE . . . . . . . . . . . . . . . . . . . . . . . . . .
under LH front seat






M58 . .

PASSENGER’S SEATBACK RECLINER
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front seat




M59 . . PASSENGER’S SEAT HEIGHT MOTOR . . . under RH front seat

M60 . .
PASSENGER’S SEAT MOVEMENT
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front seat





M61 . .
PASSENGER’S SEAT CUSHION TILT
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front seat






M93 . .

AUXILIARY THROTTLE POSITION MOTOR
(ADS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine compartment




M98 . . LEFT REAR WINDOW MOTOR . . . . . . . . . . . left from LH rear seat behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-2

M99 . .
RIGHT REAR WINDOW MOTOR . . . . . . . . .
RH side of RH rear seat behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22-2