001 BMW 318i 1992 E36 Workshop Manual

610-2



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
number47
and
50are
mounted
on
the
left
side
splice

panel
.
Refer
lo
Fig
.
5
.

Fuse48
is
mounted
on
the
auxiliary
relay
panel
.
Refer
to

Fig
.
3
.

Fuse
49
is
mounted
in
the
right
side
of
the
luggage
compart-

ment
behind
the
trim
cover
.

Relay
Positions

Mounted
in
the
left-hand
rear
comer
of
the
engine
compart-

ment,
the
power
distribution
box
contains
46
(uses
and
15
re-

lay
positions
.
See
Fig
.
2
.

Fuses31-46

-
Er
a
&QT
MM
~

Fig
.
2
.



E36
front
power
distribution
box
.

FUSE
AND
RELAY
POSITIONS

Fuses1-20

13
EL1
5
]

mmmmmmmmmm
Fuses
21-30
--



0013034)

1
.
Fuel
pump
relay



9
.



Heater/A/C
Blower
relay
2
.
System
(main)
relay



10
.



Rear
defogger
relay
3
.
Oxygen
sensorheater
re-



11
.
ABS
system
relay
lay



12
.
ABS
pump
relay
4
.



Horn
relay



13
.



High
speed
radiator
fan
re-
5
.



Taillight/foglight
relay



]ay
6
.
Low
beam
relay



14
.
A/C
compressor
relay
7
.



High
beam
relay



15
.



Low
speed
radiator
fan
re-
8
.



Emergency
flasherrelay



¡ay

Auxiliary
Relay
Panel

The
auxiliary
relay
panel
contains
five
relay
positions
.
In
lat-

er
modeis
an
additional
fuse
holder
(Fuse48)
and
the
EWS
II
(anti-theft)
transmitter/receiver
module
are
located
on
this

panel
.
See
Fig
.
3
.

The
panel
is
located
nextto
the
steering
column
under
the
driver's
side
dashboard
.
To
access
this
panel,
remove
the
pwer
dash
panel
on
driver's
side
.
See513
Interior
Trim
.

Then
remove
the
driver's
side
knee
bolster
.
Lower
the
relay
panel
by
gently
releasing
the
plastic
retainers
.
See
Fig
.
4
.

During
installation,
be
sure
the
retainer
tabs
are
engaged
in
the
relay
panel
.

Splice
Panel,
Left

3

¡ni

Fig
.
3
.
Auxiliary
relay
panel
under
left
side
of
dash
.

Fuse
48)
0013035

1
.



Comfort
relay
(where
ap-



4
.



Not
used

plicable)



5
.



Not
used

2
.
Crash
control
module



6
.



EWS
II
transmitter/receiv-

3
.



Park
ventilation
relay



er
module
(from
Jan
.
1995)

0013164

Fig
.
4
.



Auxiliary
relay
panel
under
left
sideof
dashboard
(arrow)
.

The
left
splice
panel
contains
four
relay
positions
and
an
ad-
ditional
fuse
holder
(Fuses
47
and
50)
.

To
access
the
left
side
electrical
splice
panel,
remove
the

left
side
dash
panel
and
knee
bolster,
as
described
earlier
.

The
panel
is
located
above
and
lo
the
left
of
the
clutch
pedal
.

See
Fig
.
5
.

Fig
.
5
.



Splice
panel
under
left
side
of
dash
.

SplicePanel,
Right

ir1!
1,
111lí~lll
.

'

ELECTRICAL
COMPONENT
LOCATIONS



610-3

0013091

1
.



Unloader
relay



4
.



Starter
immobilization
2
.



Wiper
relay



relay
(1994
only)
3
.
Wiper
motor
relay



F47
&
F50
Fuses47
and
50

The
right
splice
panel
contains
three
relay
positions
.
It
is
lo-

cated
under
the
right
side
of
the
dashboard
.

To
access
the
panel,
remove
theglove
compartment
as
de-
scribed
in
513
Interior
Trim
.
See
Fig
.
6
.

Fig
.
6
.



Splice
panel
under
right
side
of
dash
(arrow)
.
Glove
compart-
ment
and
right
side
vents
shown
removed
.

COMPONENT
LOCATIONS

On
the
following
pages
are
illustrations
and
photos
showing
the
location
of
major
electrical
components
in
E36
vehicles
.

NOTE-

-
Every
component
is
not
installed
in
everycar
.

"
Due
to
changes
in
production,
component
locations
may
vary
from
what
is
illustrated
.
Consult
your
BMW
dealer
for
the
latest
information
.

"
The
gear-position/neutral
safety
switch
ís
also
some-
times
referred
to
as
the
automatic
transmission
range
switch
.

"
The
EWS
11
system
is
also
sometimes
referred
to
as
the
Driveaway
Protection
System
or
the
electronic
im-
mobilization
system
.

"
All-Season
Traction
(AST)
is
also
sometimes
referred
to
as
ASC
or
ASC+T
.

COMPONENT
LOCATIONS

610-4



ELECTRICAL
COMPONENT
LOCATIONS

--J
L
Windshield
washertank
&
pump

Fig
.
7
.



E36
engine
compartment
layout
.
M42
engine
compartment
shown
.

-,x
0013204

Fig
.
8
.
Control
modules
under
right
sideof
dash
.
Glove
compart-
ment
has
been
removed
.
For
module
identification,
see
Fig
.
9
.

COMPONENT
LOCATIONS

RSP
'I



4

ABS



Main
engine



Power
hydraulic
harness
distribution
control
unit



connector
I



box
oe

1
.
SRS
(Airbag)
control
module
(through
1993)
2
.
ABS/ASC+T
control
module
(as
applicable)
3
.
Central
locking
module
(through
1993)
4
.
Anti-theft
alarm
module
or
ZKE
IV
control
module
(from
1994)5
.
Rear
window
blower
relay
(convertible
models)6
.
Horn
relay
7
.
Wiper/washer
module
8
.
Rear
power
window
relay
(four-door
models)9
.
Luggage
compartment
lid
lock
relay
(convertible)
10
.
Cruise
control
module
EWS
II
control
module
(from
Jan
.
1995)
RSP
:
Right
splice
panel

0013215

Fig
.
9
.



Identificationof
control
modules
under
right
side
of
dash
.
Module
utilízation
varies
byyear
andmodel

1
.
Heater
valves
2
.
ABS
pedal
travel
sensor3
.
ABS
pump

Fig
.
10
.
Left
rear
of
engine
compartment
.

4
.
Main
engineharness
con-
nector
5
.
Power
distribution
box

ELECTRICAL
COMPONENT
LOCATIONS
610-5

0013202
0013226

Fig
.
11
.
M42
engine
idie
speed
control
valve
(arrow)
beneath
intake
manifold

0012421

Fig
.
12
.
M44
engine
intake
air
temperature
(¡Al)
sensor
in
air
filter
housing

Fig
.
13
.
M50/S50U
S
engine
intake
air
temperature
(IAT)
sensor
(1)
and
throttle
position
sensor
(2)
.

301180

0012724

Fig
.
14
.
M52/S52U
S
engine
intake
air
temperature
(IAT)
sensor
in
bot-
tom
of
intake
manifold
(throttle
housing
shown
removed)
.

COMPONENT
LOCATIONS

610-6



ELECTRICAL
COMPONENT
LOCATIONS

Fig
.
15
.
M44
engine
harness
connectors
atair
intake

0011644
Fig
.
16
.
A/
C
recharging
ports
(arrows),
right
rear
of
engine
compart-ment

COMPONENT
LOCATIONS

0012427

811004

Fig
.
17
.
Six-cylinder
ignition
coil
in
top
of
cylinder
head
(M52
engine)
.

Fig
.
18
.
Cooling
fan
dualswitch
in
radiator
(arrow)
.

0013203

Fig
.
19
.
M44
engine
coolant
temperature
(ECT)
sensor
(arrow)
.



Fig
.
22
.
Headlight
ground
at
left
frontof
engine
compartment
(arrow)
.

0012704

Fig
.
20
.
M52
engine
coolant
temperature
(ECT)
sensor
(A)
is
located
beneath
top
enginecover
(B)
and
crankcase
vent
hose
(C)
.

uu12700

Fig
.
21
.
M52
throttle
position
sensor
(A),
idle
speed
control
valve
(B),
and
secondary
air
pump
(C)
.

ELECTRICAL
COMPONENT
LOCATIONS



610-7

00119s4



0013131

uvijijo
Fig
.
23
.
Mainground
at
right
strut
tower
(A)
.
B
is
negative
jumper
con-
nection
.

COMPONENT
LOCA
TIONS

610-$



ELECTRICAL
COMPONENT
LOCATIONS

Fig
.
24
.
Brake
pedalswitches
.

Fig
.
25
.
Driver
side
airbag
connector
(arrow)
.

COMPONENT
LOCATIONS

0011751

Fig
.
26
.
Passenger
sideairbag
connector
(arrow)
behind
glove
com-

partment
.

Fig
.
27
.
Antenna
diversity
module
(arrow)
inleft
C-pillar
.

Fig
.
28
.
Right
side
offuel
tank
under
rear
seat
cushion
.

0013108
0013010
0013142

Fig
.
29
.
Transmission
gear-position/neutral
safety
switch
under
center
console
.
Squeeze
connector
tabs
(arrows)
to
disengage
har-
ness
connector

ELECTRICAL
COMPONENT
LOCATIONS



610-
9

6263

Fig
.
30
.
Back-up
light
switch
(arrow)
on
transmission
.
(Switch
may
be
found
on
right
or
left
sideof
transmission,
depending
on
ap-
plication
.)

Fig
.
31
.
ASS
wheel
speed
sensor
(arrow)
in
front
steering
arm
.

Component
Location
Table

Table
a
is
a
cross-referenced
listing
of
electrical
compo-

nents
in
E36
vehicles
beginning
onpage
10
.
In
addition
to
lo-

cation
descriptions,
where
possiblethere
is
areference
to
a

figure
showing
the
component
.

NOTE-

-
Every
component
is
not
installed
in
everycar
.

"
Due
to
changes
in
production,
component
locations
may
vary
.
Consult
your
BMW
dealer
forthe
latest
in-
formation
.

"
The
figure
numbers
are
all
within
this
section
.
Many
other
electrical
components
are
illustrated
throughout
this
book
.
Consult
the
main
index

"
The
gear-position/neutral
safetyswitch
is
aleo
some-
times
referred
to
as
the
automatic
transmission
range
switch
.

"
The
EWS
11
system
is
also
sometimes
referredto
as
the
Driveaway
Protection
System
or
the
electronic
im-
mobilization
system
.

"
All-Season
Traction
(AST)
is
also
sometímes
referred
to
as
ASC
or
ASC+T
.

0012117

COMPONENT
LOCATIONS

610-20



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
31-46

o_

~oomoo
ommmo~

8
I



15A
I
Horn
Fuses21-30

Fuses
1-20

Fuse
positions
1-46
in
front
power
distribution
box

Table
b
.
1992
E36
Fuse
Positions

Fuse



1
Rating



1
Protected
Circuit

1



1



30A
1
Power
sunroof
(see
also
fuse
13)

2
I



I
Not
used

3
1



30A
1
Headlight
washer

(a
El
1
:1
El

4
1



15A
1
Heated
seats
(see
also
fuse
23)

5
1



30A
1
Power
seats
(see
also
fuse
40)

6
1



20A
1
Rear
window
defogger
(see
also
fuse
23)

7



5A
~
Anti-theft
system
(Alpine)
(see
also
fuse
43)
Central
locking
(ZVM
II)
(see
also
f
use
35,43)

9
(



20A
1
Sound
system
(see
also
fuse
44)

10
1



30A
1
ABS
(see
also
f
use
21,
27,
38,
46)

11



7
.5A



Crash
control
module
(seealso
fuse
12,25,
29,34)
Headlights/foglights
(see
also
fuse
12,15,22,23,
25,29,
30)
On-BoardComputer
(seealsofuse
12,
23,27,31,
33,37,
45,
46)

12



7
.5A



Crash
control
module
(see
also
f
use
11,
25,
29,34)
Headlights/foglights
(seealsofuse
11,15,
22,
23,25,
29,
30)
On-BoardComputer
(see
also
fuse
11,
23,27,
31,33,
37,45,
46)

13



5A



Power
sunroof
(see
also
fuse
1)
Power
windows
(see
also
f
use
14)

14
j



30A
1
Power
windows
(see
also
fuse
13)

15



5A



Headlights/foglights
(see
also
fuse
11,
12,22,
23,
25,29,
30)

16



5A
~
Engine
control
module
(seealsofuse
28)
Heating
andA/C
(IHKR
E36)(see
alsofuse
20,
23,
31,37,
39,
41)

17
I



I
Notused

FUSE
POSITION
TABLES

0013034

Table
b
.
1992
E36
Fuse
Positions

Fuse



Rating



Protected
Circult

18
1



15A
1
Fuel
pump

19
j



15A
1
Park
ventilation
(see
also
fuse
20)

20



30A
~
Heating
andA/C
(IHKR
E36)(see
alsofuse

16,23,31,37,39,
41)
Park
ventilation
(see
also
f
use
19)

21



1



5A
{
ABS
(see
also
fuse
10,27,
38,46)

22



5A



Headlights/foglights
(see
also
f
use
11,12,15,
23,
25,29,
30)
Instrument
illumination
(see
also
fuse
25,33,
37)
Park/taillights
(seealsofuse
33,
37)

23



5A



Multi-function
clock
(see
also
fuse
27,
31,
45,
46)
Headlights/foglights
(see
also
fuse
11,12,15,22,25,
29,30)
Heated
seats
(seealsofuse
4)
Heating
andA/C
(IHKR
E36)(see
alsofuse
16,20,31,37,39,
41)
Instrument
cluster
(see
also
fuse
27,31,
46)
On-Board
Computer
(seealso
fuse
11,
12,
27,31,
33,
37,45,
46)
Rear
window
defogger
(see
alsofuse
6)
Turn
signals/hazard
lights
(seealsofuse
34)

24
I



10A
I



Power
mirrors

25



5A



Crash
control
module
(see
also
f
use
11,12,
29,34)
Headlights/foglights
(see
also
fuse
11,12,15,22,23,29,
30)
Instrument
illumination
(see
also
fuse
22,
33,
37)

26



15A
~
Back-up
lights
Electronic
transmission
control
(A4S
310R)
(seealsofuse
28,46)

27



5A



ABS
(see
also
fuse
10,21,38,
46)
Multi-function
clock
(see
also
fuse
23,
31,
45,46)
Instrument
cluster
(see
also
fuse
23,
31,46)
On-BoardComputer
(see
also
fuse
11,12,23,
31,
33,37,45,
46)

28



5A



Cruise
control
(see
alsofuse
46)
Engine
control
module
(see
alsofuse
16)
Starting
system
Electronic
transmission
control
(A4S
310R)
(see
also
f
use
26,
46)

29



7
.5A



Crash
control
module
(see
also
fuse
11,12,
25,34)
Headlights/foglights
(see
also
fuse
11,12,15,22,23,
25,
30)

30



7
.5A



Headlights/foglights
(see
also
fuse
11,
12,
15,22,23,
25)

31



5A



Multi-function
clock
(see
alsofuse
23,27,
45,46)
Heating
andA/C
(IHKR
E36)(see
also
fuse
16,20,
23,
37,39,
41)
Instrument
cluster
(seealso
fuse
23,
27,46)
On-Board
Computer
(see
also
f
use
11,12,23,27,
33,
37,45,
46)

610-22



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
31-46

Ylililll

milililil
Fuses
21-30
Fuse
positions
1-46
in
front
Power
distribution
box

Table
c
.
1993
E36
Fuse
Positions

fuse



1
Rating



j
Protected
Circuit

1
I



30A
I
Powersunroof

2
I



I
Not
used

Fuses
1-20

3
1



30A
1
Headlight
washer

4
1



15A
1
Heated
seats
(see
also
fuse
23)

5
1



30A
1
Power
seats
(see
also
fuse
40)

0013034

6
1



20A
1
Rear
window
defogger
(see
also
fuse
23)

5A
1
Central
locking
(ZVM)
(see
also
f
use
35,
43)

8



15A



Anti-theft
(Alpine)
(seealsofuse
43)
Horn
9
1



20A
1
Sound
system
(seealsofuse
44)

10



1



30A
1
ABS
(see
alsofuse
21,
27,
38,
46)

11



7.5A



Headlights/foglights
(see
also
fuse
12,15,23,25,29,
30)
On-Board
Computer
(see
also
fuse
12,23,27,31,33,37,
45,46)

12



7.5A



Headlights/foglights
(see
also
fuse
11,15,23,25,29,
30)
On-Board
Computer
(seealsofuse
11,
23,27,31,33,
37,
45,
46)

13
I



5A
I
Not
used

14
1



30A
1
Powerwindows
(see
also
fuse
33)

15



5A



Headlights/foglights
(seealsofuse
11,
12,
23,25,29,
30)

16



5A
~
Engine
control
module
(see
also
f
use28)
Heating
and
A/C
(IHKR
E36)(see
also
fuse
20,
23,31,
37,39,
41)

17
I



I
Notused
18
1



15A
1
Fuel
pump

19
I



15A
I
Notused
20



30A
~
Heating
and
A/C
(IHKR
E36)(see
also
fuse
16,
23,
31,37,39,
41)
Park
ventilation

FUSE
POSITION
TABLES

Tablec
.
1993
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

21



1



5A
1



ABS
(seealsofuse
10,27,38,
46)

22



5A
~
Instrument
illumination
(seealsoPuse
25,
33,
37)
Park/taillights
(see
alsofuse
33,37)

23



5A



Multi-function
clock
(see
also
fuse
27,
31,
45,46)
Headlights/foglights
(see
also
f
use
11,12,
15,
25,
29,
30)
Heated
seats
(seealsofuse
4)
Heating
andA/C
(IHKR
E36)(see
alsofuse
16,
20,
31,37,
39,41)
Instrument
cluster
(seealsofuse
27,31,46)
On-Board
Computer
(see
also
fuse
11,
12,
27,
31,33,
37,45,46)
Rear
window
defogger
(see
also
fuse
6)
Turn
signals/hazard
lights
(seealso
f
use
34)

24
I



10A
I
Power
mirrors

25



5A



Headlights/foglights
(see
also
fuse
11,12,15,23,
29,
30)
Instrument
illumination
(seealso
fuse
22,33,
37)
26



10A
~
Back-up
lights
Electronic
transmission
control
(A4S
310R)
(see
also
f
use
28,
46)

27



5A



ABS
(see
also
f
use
10,21,
38,46)
Multi4unctionclock
(see
also
f
use
23,31,45,
46)
Instrument
cluster
(seealsofuse
23,31,
46)
On-Board
Computer
(see
also
fuse
11,12,
23,
31,33,37,
45,
46)

28



5A



Cruise
control
(see
alsofuse
46)
Engine
control
module
(see
also
fuse
16)
Starting
system
Electronic
transmission
control
(A4S
310R)
(see
alsofuse
26,46)

29



7
.5A



Headlights/foglights
(see
also
fuse
11,
12,
15,23,
25,30)

30



7.5A



Headlights/foglights
(seealso
fuse
11,
12,
15,23,
25)

31



5A



Multi-function
clock
(seealsofuse
23,
27,
45,
46)
Heating
and
A/C
(IHKR
E36)(see
also
fuse
16,
20,23,
37,39,
41)
Instrument
cluster
(seealsofuse
23,
27,46)
On-Board
Computer
(see
also
f
use
11,12,23,
27,33,
37,45,
46)

32



30A



Glove
compariment
light/cassette
compartment/ashtray
light/charging
socket/cigar
lighter
(seealsofuse
33,
37,
44)