Blower motor BMW 328i 1998 E36 Workshop Manual

010-12



FUNDAMENTALSFOR
THE
DO-IT
YOURSELF
OWNER

Jump
Starting
Car

Cars
with
discharged
or
dead
batteries
can
be
jump-started
using
the
good
battery
from
another
car
.
When
jump-starting

the
engine,
always
note
the
following
warnings
.

WARNING
-

"
Battery
acid
(electrolyte)
can
cause
severe
burns,
and
will
damage
the
car
and
clothing
.
lf
electrolyte
is
spilled,
wash
the
surface
with
large
quantities
of
water
.
lfit
gets
finto
eyes,
flush
them
with
water
for
severa¡
minutes
and
cal¡
a
doctor
.

"
Batteries
produce
explosive
and
noxious
gas-
ses
.
Keep
sparks
and
flames
away
.
Do
not
smoke
near
batteries
.

"
Do
not
jump-start
the
engine
if
you
suspect
that
the
battery
is
frozen
.
Trapped
gas
may
explode
.
Allow
the
battery
to
thaw
first
.

"
Do
not
quick-charge
the
battery
(for
boost
start-
ing)for
longer
than
one
minute,
and
donot
ex-
ceed
15
volts
at
the
battery
with
the
boosting
cables
attached
.
Wait
at
least
one
minutebefore
boosting
the
battery
a
second
time
.

"
Some
electrical
system
'comfort"
features
may
not
function
correctly
once
battery
power
is
restored
.
For
example,
the
front
window
one-touch-up
func-
tion
may
be
disabled
.
Some
electrical
systems
will
need
to
be
reinitialized
Consult
the
appropriate
re-
pairgroup
formore
specific
information
.

1
.
Place
cars
close
together,
but
do
not
allow
them
to'touch
each
other
.
Turn
off
the
engine
of
thecar
with
the
good
battery
.

2
.
Connect
oneend
of
the
positive
(+)
cable
to
the
positive
(+)
post
of
the
good
battery
.
Remove
the
coverfromthe

positive
(B+)
junction
post
in
the
engine
compartment
of
the
dead
car
and
connect
the
other
end
of
the
posi-
tive
(+)
cable
to
the
junction
post
.
See
Fig
.
17
.

EMERGENCIES

3
.
Connect
one
end
of
the
negative
(-)
cable
to
the
nega-

tive
(-)
battery
post
of
the
good
battery
.
Connect
oppo-

site
end
of
the
negative
cable
(-)
to
the
engine
block
of

thecar
with
the
dead
battery
.

4
.
Start
thecar
with
the
good
battery
and
runthe
engine

at
about2,000
rpm,
then
start
the
car
with
the
dead
bat-
tery
.

5
.
With
the
engine
at
¡dle,
switch
on
the
headlights,
blower

motor
and
rear
window
defogger
to
avoid
damaging
the

cars
electrical
system
.
Carefully
disconnect
the
jumper

cables,
starting
with
the
negative
cable
on
the
engine

block
.
Turn
all
electrical
consumers
off
.

NOTE-

The
engineshould
be
run
for
at
least
an
hour
to
re-
charge
the
battery
.

Overheating

lf
the
temperature
gauge
needle
goes
into
the
red
band
on
the
gauge
face,
the
coolant
temperature
is
too
high
.
Find
a
safe
place
to
stop
and
turn
the
engine
off
.
Open
the
hood
and
allow

the
engine
to
cool
until
the
temperature
gauge
needle
is
at
the

lower
thirdof
the
scale
.
Continuing
to
drive
an
overheated
car

can
cause
extensive
engine
damage
.

WARNING
-

Do
not
remove
the
coolant
reservoir
or
radíator
cap
with
the
engine
hot
.
Undoing
either
couldspray
hot
coolant
and
cause
burns
or
damage
the
engine
.

CAUTION-

Do
not
add
cold
water
or
coolant
to
a
hot
engine
.
Engine
damage
could
result
from
the
sudden
tem-
perature
change
.

NOTE-

If
the
enginecannot
be
safely
tumed
off,
make
sure
the
air
condifioner
isoff
and
turn
the
heater
to
high
.
This
will
helo
cool
the
engine
until
a
salestopping
place
canbe
reached
.

Overheating
may
be
caused
bylow
coolant
leve¡
or
a
dam-aged
engine
drive
belt
.
Visually
check
the
coolant
leve¡
and
en-
gine
belts
as
described
in
020
Maintenance
Program
.
lf
the
coolant
leve¡
is
low,
check
the
filler
cap,hoses,
clamps
and
ra-
diator
for
signs
of
leakage
.
Check
for
leaks
at
the
water
pump
on
the
frontof
theengine
.

lf
no
leaks
are
found,
add
coolant
after
the
engine
has
cooled
.
The
carcan
be
driven,
but
have
the
cooling
system
thoroughly
checked
assoonas
possible
.
lf
replacement
cool
0013245



-



ant
is
not
available,
then
plain
water
canbe
used,
butthe
cool-
antshould
later
be
drained
and
refilled
with
theproper
mixture
Fig
.
17
.
Battery
jump
starting
posts
(arrows)
behind
right
frontstrut



of
anti-freeze
and
water
.
tower
.
Lift
cover
to
access
positive
post
.

400-
6
BODY-GENERAL

Heating
and
Air
Conditioning

The
electronically
controlled
heating
and
air
conditioning

systemusesan
extra
large,
infinitely
variable
radial
blower
motor
for
good
distribution
of
air
.
Fresh
air
enters
through
the
grille
below
the
engine
hood
and
finto
the
passenger
compart-
ment
via
the
dashboard
and
footwell
vents
.
See
Fig
.
5
.

Repair
information
for
the
heating
and
air
conditioning
sys-

tem
is
covered
in
640
Heating
and
Air
Conditioning
.

Fig
.
5
.



Heating
and
air
conditioning
ventilation
plan
.

INTERIOR
EQUIPMENT

610-14



ELECTRICAL
COMPONENT
LOCATIONS

Component



Model
Year



Location



Refer
to

G
102



1992-1998



Left
front
strut
tower

G
103



1992-1998



Right
front
strut
tower

G
110



1992-1998



Left
front
of
engine

G
111



1992-1998



Near
battery

G
117



1992-1998



Right
rearof
engine

G
119



1992-
1998



Right
front
of
engine

G
123



1992-1998



Right
side
of
safety
wall

G
200



1992-1998



Left
kick
panel

G
201



1992-1998



Right
side
ofI/P

G
202



1992-1998



Left
side
ofI/P

G
203



1992-1998



Right
kick
panel

G
230



1992-1998



Right
kick
panel

G
301



1992-1998



Below
rightfront
seat

G
302



1992-1998



Below
center
console

G
303



1992-1998



Below
right
rear
seat

G
310



1992-1998



Behind
right
rear
seat

G
312



1992-1998



Behind
left
rear
seat

G
313



1992-1998



Right
side
of
rear
shelf

G
314



1992-1998



Left
side
of
rear
shelf

G
400



1992-1998



Left
front
side
of
trunk

G
404



1992-1998



Left
rearside
of
trunk

Camshaft
Position
Sensor



1992-1998



Front
of
engine



Fig
.
7
.

Hard
Top,
Connector
1



1994-1998



In
convertible
top
compartment
left
side

Hard
Top,
Connector
II



1994-1998



In
convertible
top
compartment
left
side

Hazard
Flasher
Relay



1992-1998



Power
distribution
box



Fig
.
2
.

Headlight
High
Beam
Relay



1998



Left
hand
side
of
dash
behind
instrument
cluster

Headlight
High
Beam
Relay



1992-1997



Power
distribution
box

Headlight
Low
Beam
Relay



1992-1998



Power
distribution
box

Heat
ExchangerTemperature



1993-1998



Center
console
Sensors
(left
and
right)

HeaterBlower
Motor



1992-1998



Behind
fresh
air
cowl
HeaterBlower
Motor
Relay



1992-1998



Power
distribution
box



Fig
.
2
.

Heat
Rear
Recirculation
Flap



1997-1998



Right
sideof
heater
box
Actuator

COMPONENTLOCATIONS

Tablea
.
E36
Component
Locations

Continued

Component



Model
Year



Location



Refer
to

Heater
Recirculation
Flap
Actuator



1992-1998



Below
left
dash
right
side
of
steering
column

HeaterBlowerMotor
Resistor
Pack



1992-1998



Behind
center
of
dashboard

Heater
Regulator
FlapActuator



1997-1998



Right
side
of
heater
box

HeaterValve
Assembly



1992-1998



Left
rear
engine
compartment

HeatingNentilation
Relay
Box



1992-1993



Below
left
side
of
dash

HeatingNentilation
Relay



1994-1998



Left
front
footwell

High
Speed
Cooling
Fan
Relay



1992-1998



Power
distribution
box



Fig
.
2
.

Homs,
Right/Left



1993-1998



Front
of
engine
compartment

Horn
Relay



1992-1998



Power
distribution
box



Fig
.
2
.

Horn
Relay
(Alpine)



1994-1998



Behind
glove
compartment



Fig
.
8
.
Board
Computer/Anti-Theft



Fig
.
9
.

Idle
Speed
Control
Valve



1992-1995



Top
rearof
enginebehind
intake
manifold
(M42
engine)



Fig
.
11
.

Idle
Speed
Control
Valve



1992-1995



Top
left
side
of
engine
(M50
engine)

Idle
Speed
Control
Valve



1993-1996



Below
intake
manifold
(M50/S50US
engine)

Idle
Speed
Control
Valve



1996-1998



On
throttle
housing
(M44
engine)



Fig
.
15
.

Idle
Speed
Control
Valve



1997-1998



Left
front
of
engine
below
intake
manifold
(M52/S52US
engine)

Ignition
Coils



1992-1998



Right
of
engineunder
plastic
cover
(four-cylinder)



Fig
.
7
.

Ignition
Cofs



1992-1998



Top
of
engine
undercover
(six-cylinder)



Fig
.
17
.

Ignition
Switch



1992-1998



Right
sídeofsteering
column

Intake
Air
Resonance
Changeover



1992-1998



Leftrear
of
engine
compartment
Valve(DISA)

Intake
Air
Temperature
Sensor



1992-1995



In
mass
air
flow
sensor
(M42
engine)

Intake
Air
TemperatureSensor



1996-1998



In
top
ofair
filter
housing
(M44
engine)



Fig
.
12
.

Intake
Air
Temperature
Sensor



1992-1998



I
Left
sídeof
engine
in
intake
manifold
(six-cylinder)



-



-



I



Fig
.
13
.
Fig
.
14
.

Kick-Down
Switch
(A/T)



1
1992-1998



1
Left
footwell

Mixing
Actuators



1
1992-1998



1
Heater
box

ELECTRICAL
COMPONENT
LOCATIONS



610-15

Table
a
.
E36
Component
Locations

Knock
Sensors



1
1992-1998



1
Left
side
of
engine
block

Left
Front
Power
Window
Motor



11992-1998



/
Left
front
door

Left
Front
Window
Monitoring
Switch
1
1997-1998



1
Left
front
door
trim
panel

Left
Front
Window
Retraction
Switch
1
1992
-
1993



1
Left
front
door
handle
lock
assembly

Left
Splice
Panel



1
1992-1998



1
Under
left
side
of
dash
at
kick-panel



1



Fig
.
5
.

Main
Fuse
and
Relay
Box
(Power



1992-1998



I
Left
sideof
engine
compartment



Fig
.
2
.
Distribution
Box)
1



I

Mass
Air
Flow
Sensor



1992-1998



I
Left
side
of
engine,
intake
air
duct



Fig
.
7
.1



I
Fig
.
15
.

Continued

COMPONENT
LOCATIONS

610-24



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
31-46

v

-
-----------

Fuses
21-30

Fuses1-20

Fuse
positions
1-46
infront
power
distribution
box

Tabled
.
1994
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

1



30A



Power
sunroof

2



15A



Not
used

3



30A



Headlight
washer
(also
see
f
use
37)

4



15A



Heated
seats
(seealsofuse
23)

5



30A



Power
seats
(seealso
f
use
40)

6



20A



Rear
window
defogger/blower(see
also
f
use
23)

7



$A



Central
body
electronics
(ZKE
IV)
(convertible
only)
(see
also
fuse
33,
43)
Central
locking
(seealso
fuse
35,
43)
Convertible
roof
(seealsofuse
35,43)
Rol¡-over
protection
(seealso
f
use
35,
42,
43)

8
I



15A
I
Horn
9
(



20A
1
Sound
system
(see
also
fuse
44)
10
I



30A



ABS
(see
also
fuse
21,38,
46)
AST
(seealso
f
use
21,
38)

11



7
.5A



Headlights/foglights
(see
also
fuse
12,15,23,25,29,
30)
On-Board
Computer
(see
alsofuse
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
(see
alsofuse
11,23,
27,
31,33,37,
45,46)

13
I



5A
I
Not
used

14
1



30A
1
Front
power
windows

0013034

15



15A



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

FOSE
POSITION
TABLES

Table
d
.
1994
E36
Fuse
Positions

fuse



1
Rating



1
Protected
Circuit

16



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

17
I



10A
I
Not
used

18
1



15A
1
Fuel
pump

19
1



30A
1
Rear
power
windows

20



30A



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

21



5A



ABS
(seealsofuse
10,38,
46)
AST
(see
also
fuse
10,
38)

22



5A



Instrument
illumination
(see
also
f
use
25,
37)
Park/taillights
(see
also
fuse
33,
37)

23



5A



Headlights/foglights
(see
alsofuse
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
(see
also
f
use
27,31,
46)
On-Board
Computer
(see
also
f
use
11,
12,
27,
31,
33,37,
45,
46)
Rear
window
defogger/blower
(see
alsofuse
6)
Turn
signais/hazard
lights
(see
alsofuse
34)

24
I



10A
I
Power
mirrors

25



5A
~



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

26



10A
~
Back-up
lights
Electronic
transmission
control
(A4S
310R)
(seealso
f
use
26,
46)
27



5A
~
Instrument
cluster
(see
also
fuse
23,
31,46)
On-BoardComputer
(see
also
f
use
11,12,23,31,
33,37,
45,
46)

28



5A



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

29



7
.5A



Headlights/foglights
(seealsofuse
11,12,15,23,
25,30)

30



7.5A



Headlights/foglights
(seealsofuse
11,12,15,23,
25)

31



5A



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

32
1



30A
1
Cigar
lighterlashtray
lights

610-26



ELECTRICAL
COMPONENT
LOCATIONS

Fuses31-46

v
.

-------------

Fuses
21-30

Fuses1-20

Fuse
positions
1-46
in
front
power
distribution
box

Tablee
.
1995
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

1



30A



Power
sunroof

2



15A



Not
used

3



30A



Headlight
washer
(also
see
f
use
37)

4



15A



Heated
seats
(see
alsofuse
23)

5



30A



Power
seats
(see
alsofuse
40)

6



20A



Rear
window
defogger/blower(see
also
f
use
23)

7



5A



Central
body
electronics
(ZKE
IV)
(convertible
only)
(see
also
fuse
14,31,33,
35,43)
Centrallocking
(see
also
fuse
26,28,
35)
Convertible
roof
(see
also
fuse
27,
35,
42,43)
Interiorlights
(also
see
fuse
33,
43)
Roll-over
protection
(seealsofuse
35,42,
43)

8
I



15A
I
Horn

9
1



20A
1
Sound
system
(seealsofuse
33,
44)

0013034

10



30A



ABS
(seealsofuse
21,23,
27,
38,46,
47)
AST
(see
also
fuse
21,
26,27,38,
46)

11



7
.5A



Headlights/foglights
(see
also
fuse
12,
15,
17,
23,
25,29,
30)
On-Board
Computer
(seealsofuse
12,23,27,
31,
33,37,45,
46)

12



7
.5A



Headlights/foglights
(see
also
fuse
11,
15,
17,
23,25,
29,
30)
On-BoardComputer
(see
also
fuse
11,
23,27,
31,
33,37,45,
46)

13
I



5A
I
Notused
14



30A
~
Central
body
electronics
(ZKE
IV)
(see
alsofuse
7,
14,31,
33,
35,
43)
Front
power
Windows

15



15A



Headlights/foglights
(seealso
fuse
11,
12,
17,23,25,
29,30)

FOSE
POSITION
TABLES

Tablee
.
1995
E36
Fuse
Positions

fuse



1
Rating



1
Protected
Circuit

16



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

17



10A



Headlights/foglights
(see
also
fuse
11,12,15,23,25,
29,
30)

18
1



15A
1
Fuel
pump

19
1



30A
1
Rear
power
Windows

20



30A



Blowermotor
Heating
andA/C
(IHKR
E36)
(see
also
fuse
16,23,31,
37,
39,
41)
Park
ventilation

21



5A



ABS
(seealsofuse
10,23,27,38,
46,47)
AST
(see
also
fuse
10,26,
27,
38,
46)

22



5A
~



Instrument
illumination
(see
also
f
use
25,
33,37)
Park/taillights
(see
also
fuse
33,
37)

23



5A



ABS
(seealsofuse
10,
21,
27,38,
46)
Headlights/foglights
(see
also
fuse
11,12,15,17,25,
29,
30)
Heated
seats
(see
also
fuse
4)
Heating
andA/C
(IHKR
E36)(see
alsofuse
16,20,31,
37,39,41)
Instrument
cluster
(see
also
f
use
27,31,
46)
Multi-function
clock
(see
also
fuse
26,27,31,
45,46)
On-Board
Computer
(seealso
f
use
11,
12,
27,
31,33,
37,
45,
46)
On-Board
Display
(seealso
fuse
26,27,31,
45,46)
Rear
window
defogger/blower
(see
also
f
use
6)
Turn
signals/hazard
lights
(see
also
f
use
34)

24
I



10A
I



Power
mirrors

25



5A



Headlights/foglights
(see
also
fuse
11,
12,
15,17,23,
29,
30)
Instrument
illumination
(see
also
fuse
22,33,
37)

26



10A



AST
(see
also
fuse
10,21,
27,
38,
46)
Back-up
lights
Centrallocking
(seealsofuse
7,
28,
35)
Electronic
transmission
control
(A4S
310R/Z)
(seealso
tuse
28,
46)
Multi-function
clock
(see
also
fuse
23,
27,31,
45,46)
On-Board
Display
(see
also
fuse
23,27,31,
45,46)
Starting
system
(see
alsofuse
28)

27



5A



ABS
(seealso
fuse
10,
21,
23,38,
46,47)
AST
(see
also
fuse
10,21,
26,
38,
46)
Convertible
roof
(see
also
f
use
7,
35,42,43)
Instrument
cluster
(seealso
f
use
23,
31,
46)
Multi-function
clock
(see
also
fuse
23,26,31,
45,46)
On-Board
Computer
(seealsofuse
11,
12,
23,
26,
31,33,
37,
45,
46)
On-Board
Display
(see
also
f
use
23,31,45,
46)

610-28



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
31-46

k
Lírcoo)]
LE

7a
Maz

Fuses
21-30

Fuse
positions
1-46
in
front
power
distribution
box
Table
f
.
1996
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

1



30A



Power
sunroof
(see
also
fuse
13)

2



15A



Notused
3



30A



Headlight
washer
(also
see
fuse
37)

4



15A



Heated
seats
(seealsofuse
23)

5



30A



Power
seats
(see
also
f
use
40)

6



20A



Rear
window
defogger/blower
(see
also
f
use
23)

7



5A



Central
body
electronics
(ZKE
IV)
(convertible
only)
(see
also
f
use
14,33,
35,
43)
Central
locking
(seealso
fuse
26,28,
35)
Convertible
roof
(seealsofuse
27,35,42,43)
Interiorlights
(also
see
fuse
33,
43)
Rol¡-oven
protection
(see
also
fuse
35,
42,
43)

8
I



15A
I
Horn
9
1



20A
1
Sound
system
(see
also
fuse
44)

10



30A



ABS
(seealsofuse
21,23,
27,38,46,
47)
AST
(see
also
fuse
21,26,27,
38,46)

11



7.5A



Headlights/foglights
(see
also
fuse
12,15,17,23,25,
29,30)
On-Board
Computer
(seealso
fuse
12,23,27,31,33,
37,45,46)

12



7
.5A



Headlights/foglights
(see
also
fuse
11,15,17,
23,
25,
29,30)
On-Board
Computer
(see
also
f
use
11,23,27,
31,
33,37,
45,46)

13
1



5A
1
Power
sunroof
(seealsofuse
1)

14



30A
~
Central
body
electronics
(ZKE
IV)
(see
also
fuse
7,
14,33,35,
43)
Front
power
windows

15



15A



Headlights/foglights
(see
also
fuse
11,12,17,23,25,29,
30)

FUSE
POSITION
TABLES

Fuses
1-20

0013034

Table
f
.
1996
E36
Fuse
Positions

fuse



1
Rating



1
Protected
Circult

16



5A
~
Engine
control
module
(see
also
f
use
28,
39)
Heating
andA/C
(IHKR
E36)(see
also
fuse
20,
23,31,37,39,41,
48)

17



10A



Headlights/foglights
(see
also
f
use
11,12,
15,23,25,29,
30)

18
1



15A
1
Fuel
pump

19
1



30A
1
Rear
power
windows

20



30A



Blower
motor
Heating
andA/C
(IHKR
E36)
(see
also
fuse
16,23,31,37,39,41,
48)
Park
ventilatíon

21



5A



ABS
(seealsofuse
10,23,
27,38,
46,
47)
AST
(see
alsofuse
10,
26,
27,38,
46)

22



5A



Instrument
illumínation
(see
also
f
use
25,33,
37)

23



5A



ABS
(see
also
fuse
10,21,
27,38,
46)
Headlights/foglights
(see
alsofuse
11,12,
15,17,25,29,
30)
Heated
seats
(seealsofuse
4)
Heating
andA/C
(IHKR
E36)(see
also
fuse
16,20,
31,
37,39,
41,48)
Instrument
cluster
(see
alsofuse
27,
31,46)
Multi-function
clock
(see
alsofuse
26,27,31,
45,46)
On-BoardComputen
(seealso
f
use
11,12,27,31,
33,
37,45,
46)
On-Board
Display
(see
alsofuse
26,
27,31,
45,46)
Rear
window
defogger/blower
(see
also
fuse
6)

Turn
signals/hazard
lights
(seealsofuse
34)

24
I



10A
I
Power
mirrors

25



5A



Headlights/foglights
(see
also
fuse
11,
12,15,
17,
23,
29,
30)
Instrument
illumination
(seealso
fuse
22,
33,
37)

26



10A



Airbag
(SRS)
(see
also
fuse
43)
AST
(see
also
f
use
10,21,
27,
38,
46)
Back-up
lights
Central
locking
(seealsofuse
7,
28,
35)
Electronic
transmission
control
(A4S
310R/Z)
(seealso
f
use
28,
46)
Multi-function
clock
(see
alsofuse
23,27,31,
45,46)
On-Board
Display
(see
also
fuse
23,
27,
31,
45,46)
Starting
system
(see
also
fuse
28)
.

27



5A



ABS
(see
also
fuse
10,21,
23,38,
46,
47)
AST
(see
also
fuse
10,
21,
26,38,
46)
Convertible
roof
(see
also
f
use
7,
35,42,
43)
Instrument
cluster
(see
alsofuse
23,
31,46)
Multi-function
clock
(see
alsofuse
23,26,
31,
45,46)
On-Board
Computer
(seealsofuse
11,12,
23,
26,31,33,37,
45,46)
On-Board
Display
(see
also
fuse
23,
31,45,
46)

610-30



ELECTRICAL
COMPONENT
LOCATIONS

Fuses
31-46

v

--------------

15A
I
Horn
Fuses21-30

Fuses
1-20

Fuse
positions
1-46
in
front
power
distribution
box

Tableg
.
1997-1998
E36
Fuse
Positions

fuse



Rating



Protected
Circuit

1



I



30A
I



Power
sunroof

4
1



15A
1
Heated
seats
(see
also
fuse
23)

5
1



30A
1
Power
seats
(see
also
fuse
40)

10



30A



ABS
(see
also
fuse
21,27,38,
46)
AST
(see
alsofuse21,27,
38,
46)

13
I



5A
I
Not
used

FUSE
POSITION
TABLES

0013034

2
I



5A



Engine
controls
DME
M5
.2
(see
also
fuses
16,18,
39,
46)

30A



Wiper/washer
module
(seealso
fuse
36,37,44)

20A
~
Rear
window
defogger/blower
(see
also
f
use23,43)
Antenna
(see
also
fuse
23)

5A
~
Central
locking
(seealso
fuse
28,31,35,
45)
Convertible
roof
(see
also
fuse
24,
27,42,
43,49)
9
1



20A
1
Sound
system
(see
also
fuse
33,43,
44)

11



7
.5A



Headlights/foglights
(see
also
fuse
12,15,
23,
25,29,
30)
On-Board
Computer
(see
also
fuse
12,23,
26,
27,31,33,
37,45,
46)

12



7
.5A



Headlights/foglights
(see
also
fuse
11,15,
23,
25,29,
30)
On-Board
Computer
(see
also
f
use
11,23,
26,27,
31,33,
37,45,
46)

14
I



30A
~
Central
body
electronics
(ZKE
IV)
(see
also
fuse
33,
35,43)
Power
windows
(seealso
f
use
19)

15



15A



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

Tableg
.
1997-1998
E36
Fuse
Positions

fuse



1
Rating



1
Protected
Circuit

16



5A



Engíne
control
DME
M5
.2
(see
alsofuse
2,
18,39,
46)
Engine
control
DME
MS
41
.1
(see
also
fuse
18,39,46,
50)
Heating
andA/C
(IHKR
E36)
(see
also
fuse
20,
23,31,39,41,
48)

17
I



10A
1
Not
used

18



15A



Engine
control
DME
M5
.2
(seealso
fuse
2,
16,39,
46)
Engine
control
MS
41.1(seealso
fuse
16,
39,
46,50)

19
1



30A
j
Power
windows
(seealsofuse
14

20



30A



Blowermotor
Heating
andA/C
(IHKR
E36)
(see
also
fuse
16,
23,
31,37,39,
48)
Park
ventilation

21



5A



ABS
(seealso
f
use
10,
27,38,
46)
AST
(see
also
fuse
10,27,38,
46)

22



5A



Instrument
illumination
(see
also
f
use
25,
33,
37)

23



5A



Antenna
(see
also
fuse
6)
Headlights/foglights
(see
also
fuse
11,
12,
15,
25,
29,
30)
Heated
seats
(see
also
fuse
4)
Heating
andA/C
(IHKR
E36)(see
also
fuse
16,
20,
31,39,41,
48)
Instrument
cluster
(seealso
f
use
27,
31,45,
46)
Multi-function
clock
(seealsofuse
26,27,31,
45,46)
On-Board
Computer
(see
also
fuse
11,12,27,
31,
33,37,45,
46)
On-Board
Display
(seealsofuse
26,27,
31,
45,46)
Rear
window
defogger/blower
(see
also
f
use6,43)Turn
signals/hazard
lights
(seealsofuse
34)

24



10A
~
Convertible
roof
(see
also
f
use
7,
27,42,43,
49)
Power
mirrors

25



5A



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

26



10A



Back-up
lights
Electronic
transmission
control
(A4S
310R/Z)
(see
also
f
use
28,
46)
Electronic
transmission
control
(A5S
310Z)
(see
also
fuses
28,46)
Multi-function
clock
(see
also
fuse
23,
27,
31,
45,46)
On-Board
Computer
(see
alsofuse
11,
12,
23,
27,31,33,37,45,
46)

GENERAL

E36
cars
are
equipped
with
integrated
automatic
heating

and
air
conditioning
systems
.
Many
of
the
procedures
given
in

this
repair
group
require
that
the
A/C
refrigerant
charge
be

evacuated
using
specialized
equipment
.
See
A/C
System
Warningsand
Cautions
later
in
this
repair
group
.

HEATER
AND
CONTROLS

Blower
motor,
removing
and
installing

NOTE-

On
6-cylinder
cars,
the
plastic
top
enginecover
and
fuel
rail
covermustbe
removed
.
The
fuel
injectorhamess
re-
taining
screws
must
be
removed
and
the
harness
set
aside
.
The
engine
control
module
(ECM)
cover
must
be
removed,
the
control
unit
connectors
unplugged
and
the
harness
pulled
out
of
the
way
.
See
130
Fuel
Injection
.

1
.
Disconnect
negative
(-)
cable
from
battery
.

2
.
Open
hood
.
Unclip
engine
bulkhead
plenum
grille
at

base
of
windshíeld
and
remove
grille
.
See
Fig
.
1
.

HEATING
AND
AIR
CONDITIONING



640-1

640
Heating
and
Air
Conditioning

GENERAL
.
...
.
....
.
.
.
.
.
.
.
.
.
.......
.
.
.
640-1



Heater
andA/C
air
distribution
motor,

replacing(rotary-knob)
.
.
...
.
.
.
.......
.
640-10

HEATER
AND
CONTROLS
.
.....
.
.
.
.
.
.
.640-1



Rear
Window
Defogger
.
.
.



.
.
.
.
.
.
.
...
.
.
.
640-10
Blower
motor,
removing
and
installing
.
.
.
.
.
.
640-1



Rear
Window
Blower
(convertible
models)
.
.640-10

Blowermotor
resistor
pack,
replacing



.
.
.
.
.
.
640-3



AIR
CONDITIONING
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-11
Heater
valve,
replacing
...........
.
.
.
.
.
.
.
640-3

Heater
box,
removing
and
installing
.
.
.
.
.
.
.
.
640-4



A/CSystem
Warnings
and
Cautions
.
.
.
.
.
.
:640-11

Heater
core,
replacing
.....
.
.
:
....
.
.
.
.
.
.
.
640-6



A/C
compressor,
replacing
.
.
::.
:
:
.
.
.
.
.
.
.
.640-12

Heater
core
temperature
sensor,
replacing
.
.
640-7



A/C
Compressor
Clutch
.
.
.
.
.
.
.
:
.
.
.
.
.
.
.
.
.
640-13

Heater
andA/C
Control
Head
.
.
....
.
.....
.
640-7



A/C
condenser,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-14

Heater
andA/C
control
head,
removing



A/C
receiver/drier,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
640-15
and
installing
(rotary-knob)
.
.
....
.
......
640-7



A/C
expansion
valve,

Heater
andA/C
control
head,
removing



removing
and
installing
...
.
.....
.
.
.
.
.
.
.
640-16
and
installing
(digital-display)
.
.....
.
.....
640-8



A/C
evaporator,
removing
and
installing
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
evaporator
temperature
sensor,

and
installing
(rotary-knob)
.
.
...
.
.
.
.
.
.
.
.
640-8



replacing
.
.
.
.
.
.
..............
.
.
.
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
microfilter,
replacing
......
.
....
.
.
.
..
640-18

and
installing
(digital-display)
.
...
.
.
.
.
.
...
640-8

Sensor
fan
for
interior
temperature,



TABLES

replacing
.
.
.
....
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-9



a
.
Blower
Motor
Test
Values
.........
...
.
.
......
640-3

Heater
andA/C
AirDistribution
Motors
.
.
.
.
.
.
640-9



b
.
Heater
Core
Temperature
Sensor
Test
Values
...
.640-7

c
.
Evaporative
Temperature
Sensor
Test
Values
...
640-17

d
.
A/C
System
Fluid
Capacities
(total)
..
..........
640-18

0012527

Fig
.
1
.
Detach
grille
retaining
clips
(arrows)
and
pull
grille
upward
and
out
of
rubbergasket
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
onpage
viii
.

HEATER
AND
CONTROLS

640-2



HEATING
AND
AIR
CONDITIONING

3
.
Remove
wiring
harness
retaining
clip
at
bulkhead
.
Re-

move
screws
retaining
wiring
harness
cover
and
pull

cover
forward
.
See
Fig
.
2
.

0012529

Fig
.
2
.
Ming
harness
cover
screws
at
base
ofwindshield
(arrows)
.

4
.
On
passenger
side,
push
aside
wiring
harness
and
re-

move
two
screws
retaining
plenum
housing
.
See
Fig
.
3
.

Fig
.
3
.



Ríghtside
plenum
retaining
screws
(arrows)
.

VU1L535

5
.
On
driverside,
push
aside
wiring
harness
and
remove

screw
retaining
plenum
.
Pull
plenum
up
and
remove
from
engine
bay
.
See
Fig
.
4
.

6
.
Unclip
blower
motor
housing
cover,
disconnect
control

cable,
and
turn
center
retainer
1
/4
turn
to
remove
cover
.
See
Fig
.
5
.

7
.
Disconnect
electrical
connectors
from
blower
motor
.

8
.
Remove
left
upper
section
of
blower
housingby
detach-
ing
spring
clipsat
edge
of
housing
.
See
Fig
.
6
.

HEATER
AND
CONTROLS

Fig
.
4
.



Remove
screw
at
A
and
pull
air
plenumupward
.

0012534

0012636

Fig
.
5
.



Blower
motor
housing
clips
(A)
;
control
cable
(B)
;
and
center
retainer(C)
.

i
[u6,

Fig
.
6
.



Spring
clips
(arrows)
on
driver
sideof
blower
housing
.