train BMW 323i 1995 E36 Repair Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1995, Model line: 323i, Model: BMW 323i 1995 E36Pages: 759
Page 460 of 759

640-14
HEATING
AND
AIR
CONDITIONING
7
Fig
.
39
.
A/
C
compressorand
clutch
components
.
8
00871208
1.
Clutch
plate
retaining
bolt
5
.
A/C
compressor
pulley
2
.
Clutch
plate
6
.
Clutch
retaining
circlip
3
.
Pulley
retaining
circlip
7
.
Clutch
(magnetic
winding)
4
.
Clutch
bearing
8
.
Compressor
00870082
Fig
.
40
.
A/
C
compressor
driveplate
canbe
held
stationary
with
strap
toolto
allow
removal
of
retaining
bolt
.
NOTE-
BMWs
are
equipped
with
compressors
from
various
manufacturers
.
Special
tools
may
be
required
tore-
move
driveplate
orpulley
.
AIR
CONDITIONING
Tightening
Torque
"
Compressor
clutch
bolt
to
compressor
shaft
.....
.
....
..
.
.
20
Nm
(15
ft-Ib)
A/C
condenser,
replacing
1
.
Following
manufacturer's
instructions,
connect
an
ap-
proved
refrigerant
recovery/recycling/recharging
unitto
A/Csystemand
discharge
system
.
WARNING
-
Do
not
dischargelcharge
the
AIC
system
without
proper
equipment
and
training
.
Damage
to
the
vehi-
cle
and
personal
injury
may
result
.
2
.
Remove
front
bumper
and
radiator
grilles
.
See510
Ex-
terior
Trim,
Bumpers
.
3
.
Remove
auxiliary
electric
radiator
fan
.
See
170
Cool-
ing
System
.
4
.
DetachA/C
lines
from
lower
right
corner
of
condenser
.
Plug
lines
immediately
.
See
Fig
.
41
.
Fig
.
41
.
A/
C
flange
bolts
at
condenser
(arrows)
.
5
.
Remove
condenser
mounting
bolts
from
frontradiator
support
.
See
Fig
.
42
.
6
.
Lift
up
condenser
to
disengage
from
lower
mounts
and
remove
from
below
.
7
.
Installation
is
reverse
of
removal
.
CA
UTION-
"
Always
replace
O-rings
when
reconnecting
re-
frigerant
fines
.
"
When
installing
a
new
condenser
always
replace
receiverldrier
unit
.
Page 462 of 759

640-16
HEATING
AND
AIR
CONDITIONING
A/C
expansion
valve,
removing
and
installing
Fig
.
45
.
Control
module
carrier
retaining
screws
(arrows)
.
1
.
Following
manufacturers
instructions,
connectanap-
proved
refrigerant
recovery/recycling/recharging
unit
to
A/C
system
and
discharge
system
.
WARNING
-
Do
not
discharge%harge
the
WC
system
without
properequipmentand
training
.
Damage
to
the
vehi-
cle
and
personal
injury
may
result
.
2
.
Remove
glove
compartment
and
glove
compartment
support
frame
.
See513
Interior
Trim
.
3
.
Remove
right
side
footwell
vents
.
4
.
Remove
right
side
control
module
carrier
screws
and
tilt
carrier
down
.
See
Fig
.
46
.
5
.
Remove
expansion
valve
cover
.
See
Fig
.
46
.
Fig
.
46
.
Four
screws
retain
expansion
valve
cover
(arrows)
.
AIR
CONDITIONING
0012666
0012663
6
.
Remove
A/C
refrigerant
line
fiange
bolt(s)
from
expan-
sion
valve
.
Plug
lines
immediately
.
See
Fig
.
47
.
NOTE
-
If
necessary,
remove
air
plenum
grille
fromrear
of
en-
gine
compartment
as
described
earlier
in
Blower
mo-
tor,
removing
and
installing
.
Remove
wiring
hamess
cover
screws
and
then
remove
right
side
plenum
screws
.
Reaching
finto
the
plenum
chamber,
remove
AIC
fine
flange
bolt
to
allow
expansion
valve
room
for
removal
.
Fig
.
47
.
Refrigerant
line
fiange
mounting
boltat
expansion
valve(arrow)
.
7
.
Remove
screws
from
top
of
expansion
valve
and
re-
move
expansion
valve
from
evaporator
.
See
Fig
.
48
.
Fig
.
48
.
Expansion
valve
mountingscrews
(A)
.
0011667
Page 477 of 759

721
Airbag
System
(SRS)
Airbag
Systems
.......
.
...
.
.
.
.
.
....
.
.
.
.
721-1
AIRBAG
SENSORS
AND
ELECTRONICS
721-2
SRS
Warning
Light
and
Fault
Display
.
.
.
.
.
..
721-2
Airbagcontact
ring,
replacing
........
.
.
.
.
.
721-3
Airbag
crash
sensor,replacing
..
.
....
.
...
.
721-4
ZAE
control
module,
replacing
.
.
.
.........
721-5
GENERAL
This
repair
group
covers
only
removal
and
installation
of
air-
bag
components
.
Airbag
system
repair
and
fault
diagnosis
is
not
covered
here
.
Diagnostics,
component
testing,
and
airbag
system
repair
should
be
carried
out
by
trained
BMW
service
technicians
.
NOTE-
Special
test
equipment
is
required
to
retrieve
SRS
fault
codes,
diagnose
system
faults,
and
resetltum
off
the
SRS
indicator
light
.
The
SRS
indicator
light
will
remain
on
until
any
problem
has
been
corrected
and
the
fault
memory
has
been
cleared
.
When
servicing
cars
equipped
with
SRS,
the
precautions
on
this
page
mustbeobserved
to
prevent
personal
injury
.
Airbag
Systems
The
airbag
system
installed
on
E36
cars
through
the
1993
model
year
consisted
of
a
single
airbag
in
the
steering
wheel
.
This
systemcan
be
identified
by
the
orange
crash
sensors
lo-
cated
on
the
front
wheel
wells
and
the
absence
of
a
passenger
side
airbag
.
The
ZAE
airbag
system,
starting
in
model
year
1994
(pro-
duction
date9/93
and
later),
provides
both
a
driver
side
and
a
passenger
sideairbag
.
On
ZAE
vehicles,
the
crash
sensorsare
integrated
into
the
airbag
control
module,
located
under
thecenter
of
the
rear
seat
.
The
ZAE
control
module
triggers
deployment
of
the
airbags
When
it
sensos
the
vehicle
deceler-
ating
at
a
rate
equivalent
to
a
head-on
collisionof
at
least
13
mph
(18
km/h)
.
In
some
1997
4-door
models
and
all
1998
models,
side-impact
airbags
were
installed
in
the
front
doors
.
The
airbag
units
are
mounted
behindthe
door
trim
panels
.
Caution
mustbeused
when
working
on
vehicle
systems
in
the
proximity
of
air
bags,
such
as
the
steering
column,
the
dashboard,
or
the
doors
.
AIRBAG
SYSTEM
(SRS)
721-1
GENERAL
.
.
.
.
.
.
.
.
.
.
.......
.
......
.
.
.
.
721-1
Front
side-impact
airbag
crash
sensor,
removing
and
installing
....
.
.....
.
.....
.
721-5
AIRBAGS
..............
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
721-5
Driver
side
airbag,
removing
and
installing
.
.
.
721-5
Passenger
side
airbag,
removing
and
installing
..............
.
.
.721-6
Front
side-impact
airbag,
removing
and
installing
.
.
.
.
.
.
.
.
.
.
......
.721-7
WARNING
-
"
Airbag(s)
are
inflated
byan
explosive
device
.
Handled
improperly
or
without
adequate
safe-
guards,
the
System
can
be
very
dangerous
.
Spe-
cial
precautions
must
be
observed
prior
to
any
work
ator
near
the
driverside
airbag,
the
passen-
ger
side
airbag
(where
applicable)
or
the
side-im-
pact
airbags
(where
applicable)
.
"
The
airbag
is
a
vehicle
safety
system
.
Serious
in-
jury
may
result
if
System
service
is
attempted
by
persons
unfamiliar
with
the
BMW
SRS
and
its
ap-
proved
service
procedures
.
BMW
advises
that
all
inspection
and
service
be
performed
by
an
autho-
rized
BMW
dealer
.
"
Always
disconnect
the
battery
and
cover
the
neg-
ative
()
battery
terminal
with
an
insulator
before
startingdiagnostic,
troubleshooting
or
service
worknot
associated
with
SRS,
and
before
doing
any
welding
on
the
car
.
"
If
an
airbag
has
been
activated
due
to
an
acci-dent,
BMW
specifies
that
SRS
components
be
replaced
.
For
more
information
on
post-collision
SRS
service,
see
an
authorized
BMW
dealer
.
"
Do
not
allow
the
airbag
unit
to
come
in
contact
with
cleaning
solutions
orgrease
.
Never
subject
an
airbag
unit
to
temperatures
aboye
212°F
(100°C)
.
When
reconnecting
the
battery,
no
per-
son
should
be
inside
the
vehicle
.
"
Always
place
an
airbag
unitthat
has
been
re-
moved
from
its
packaging
with
the
padded
sidefacing
upward
.
Do
not
leave
an
airbag
unlt
unat-
tended
.
"
!f
the
airbag
unit
or
airbag
control
modulehas
been
dropped
froma
height
of
!
1
2
meter
(1
Y2
ft.)
ormore,
theairbag
unit
should
not
be
installed
.
Aírbag
system
components
are
shown
in
Fig
.
1.
GENERAL
Page 485 of 759

GENERAL
This
section
contains
wiring
diagrams
for
1992
through
1998
BMW
3
Series
models
.
WARNING
-
On
cars
equipped
with
airbags,
special
precautions
apply
to
any
electrical
testing
or
repair
.
The
airbag
unit
is
an
explosive
device
and
must
be
handled
with
exterme
care
.
Before
starting
any
work
onan
airbag
equipped
car,
refer
to
the
warnings
and
cau-
tions
in
720
Seatbelts
and
721
Airbag
Systems
(SRS)
.
NOTE-
The
"
gear
position/neutral
safetyswitch
is
also
some-
timesreferred
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
.
ELECTRICAL
WIRING
DIAGRAMS
ELE-1
Electrical
Wiring
Diagrams
GENERAL
.
.
.
.
.
.
.
.
.
................
.
.
.
ELE-1
Horns
.....
.
.....
.
.
.
....
.
.
.
.
.
...
.
.
ELE-153
Instrument
Panel
.
.
.
.
.
.
..............
ELE-165
ELECTRICAL
WIRING
DIAGRAMS
...
.
.
.
ELE-2
Interior
Lights/Illumination
.............
ELE-211
ABS
..............
.
.
.
.....
.
.....
ELE-117
Lumbar
Control
.
....................
ELE-247
ABS/AST
.............
.
.
.
...
.
.
.
.....
ELE-120
On-Board
Computer
..................
ELE-173
Airbag
(Supplemental
Restraint
System)
..
ELE-140
Park
Ventilation
.
.
.
...........
.
...
.
..
ELE-139
Air
Conditioning
and
Heating
.
.
.
.
.
.
.....
ELE-129
Power
Distribution
......
.
...
.
.
.
.
.
.
.
...
.
ELE-2
Anti-Theft
(Alpine)
..........
.
.
.
...
.
...
ELE-144
Power
Door
Locks
.
.
......
.
.
.
.
.
.
.
.
.
..
ELE-226
Anti-Theft
(EWS
II)
.
........
.
.
.
...
.
...
ELE-150
Power
Mirrors
...
.
.
.
......
.
.
.
.
.
.
.
.
.
..
ELE-241
Body
Computer
Module
.....
.
.....
.
...
ELE-176
Power
Seats
......
.
......
.
.
.
...
.
.
.
..
ELE-243
Charging
System
.
.
................
.
.
.
ELE-67
Power
Sunroof
.
.
.
.
.
.
.
...............
ELE-248
Convertible
Top
.
.
.
.
................
.
.
ELE-253
Power
Windows
.
.
.
.
.
.
.....
.
.........
ELE-231
Cruise
Control
..
.
.
.
...........
.
....
.
.
ELE-112
Radio/Cassette/CD/Speakers
..........
ELE-255
Data
Link
Connector
................
.
.
.
ELE-86
Rear
Window
Defogger
...............
ELE-160
Engine
Cooling
.......
.
.......
.
....
.
.
.
ELE-94
Shift
Interlock
.
.
.
.
.
.
.
.
...............
ELE-110
Engine
Management
...
.
.......
.
....
.
.
.
ELE-70
Starting
....
.
.
.
.
.
...
.
................
ELE-63
Exterior
Lights
........
.
.
.
.
.
.
.
.
.
......
ELE-194
Transmission
Electronics
.
..............
ELE-96
Ground
Distribution
....
.
.
.
.
.
.
.
.
.
.......
ELE-35
Warning
System
:
Chimes
.............
ELE-178
Headlights/Foglights
...
.
.
.
.
.
.
.
.
.
......
ELE-180
Wiper/Washer
.
.....
.
...............
ELE-155
Heated
Seats
........
.
.
.
.
.
.
.
.
.
......
ELE-245
ELECTRICAL
COMPONENT
LOCATIONS
Relayand
fuse
positions,
ground
locations
...........
.
.
.
.
.
.
.
.
.
................
seeRepair
Group
610
CAUTION-
Always
switchthe
ignition
off
and
disconnect
the
negative
(-)
battery
cablebefore
removing
any
electrical
components
.
"
Prior
to
disconnecting
the
battery,
read
the
bat-tery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.
"
Connect
and
disconnect
ignition
system
wires,
multiple
connectors
and
ignition
test
equipment
leads
only
while
ignition
is
switched
off
.
-Always
switch
a
test
meter
to
the
appropiate
func-
tion
and
range
before
making
test
connections
.
"
All-Season
Traction
(AST)
is
also
referred
to
as
ASC
or
ASC+T
.
GENERAL
Page 505 of 759

TOFUSEF16
GGRN
(DIAGRAM
4
OF
5)
TOFUSEF28
HGRN
(DIAL
RAM
4
OF
5)
TOFUSEF24
GRN
(DIAGRAM
4
OF
5)
10437
2
F
-
1I
I
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I
I
I
>
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_I
L-1
L
I
D
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_I
ENGINECONTROL
UNLOADER
INSTRUMENTUNCOUPLING
BLOWERNo
DULE(DME)
RELAY
CLUSTER
DIODE
RELAY
1
I
FUSE
I
F44
I
154
v__-----__---------
a--
_
---____--aaa-r
====
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.
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I-
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I,\
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CONSOLE
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I
_'
II
I
III
TELEPHONE
I1
GLOVEBOX
I
I
I
CONNECTOR
I
LIGHT
LEFT
RIGHT
SEAT
FIGHT
LEFT
ROLLOVER
SUPPLEMENTAL
FRONTFRONT
OCCUPANCY
SIDESIDE
SENSOR
RESTRAINT
SEATBELT
SEATBELTDETECTOR
IMPACTIMPACT
SYSTEM
SWITCH
SWITCH
SENSOR
SENSOR
CONTROL
MODULE
I
IGNITION
SWITCH
I
OFF
START
OFF
START
OFF
START
OFF
/
START
ACC-__U-
_____________
_
ACC
"
__U_
_____
AC
_-
_____
A
C
____
,
a
FROMFRONTPOWER
DISTRIBUTION
BOX
(DIAGRAM
2
OF
5)
56
ELECTRONICIMMOBLIZER
((
1
.
2
.8
L
(
L)
8
5O
1
8
~
CONTROL
9
MODULE
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I
1
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WIPERI
RADIO
WASHER
BODYELECTRONICS
WASHER
Pump
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MODULEMODULE
(ZKE
IV)
61
31
5'
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LEFT
MAKEUP
CONVERTIBLETOP
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SPATIAL
FRONTDOME/
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T
RIGHT
MAKEUP
LEFT
RIGHT
MIPROFLIGHT
CONTROLMODULEH
I
FI
SOUND
MAPLIGHT
CONTROLMODULE
MIRRORLIGHT
REAR
FEAR
SWTCH
RELAY
ASSEMBLY
INTERIOR
INTERIOR
______
-
-
-
-
-
_____________________________
-_
FRONTPOWER
FROMFUSE
F43
---
I
DISTRIBUTION
BOX
(OIAGRAM30F5)
J
II
FUSE
FUSE
I
F45
146
7
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-_
_
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_
_
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_
_
_
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_
_
_
_
_
_
_
_
_
_
_
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ELECTRICAL
WIRING
DIAGRAMS
ELE-21
Power
Distribution
1998Except
318ti
(3
of
5)
2B
NOTUSED
0259
231X
7Oat8
5I
4151
51
5
;
4
4
1
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ON-BOARD
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STARTER
TRANSMITTER
INSTRUMENT
BRAKE
LISHT
COMPUTERCONTROL
IMMOBILIZATION
MODULE
CLUSTER
SWITCH
MODULE
MODULE
SWITCH
---
-
-
------
--
FRONT
POWER
TOFUSEF45
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DISTRIBUTION
BOX
'DIAGRAM
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CPS)
FUSE
"
FUSE
HORN
RELAY
CRUISECRUISE
CONTROLCONTROL
MODULE
SWITCH
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CONNECTOR
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Page 517 of 759

10442
9
II
OFF
TO
FUSE
F14
(DIAGRAM
3
OF
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SWITCH
START
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FROM
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BOX
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I
OF
3)
ELECTRICAL
WIRING
DIAGRAMS
ELE-33
Power
Distribution
1998
318ti
(2
of
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Page 534 of 759

ELE-50
ELECTRICAL
WIRING
DIAGRAMS
I-
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Page 539 of 759

84318
ASS
FRONT
REAR
RIGHT
DRIVER'S
BODY
DOME/
SWITCH
WIPER/DRIVER'S
PASSENGER'S
DRIVER'S
FRONT
DRIVER'S
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DOORDOOR
ELECTRONICS
MAP
SUNROOF
SPATIAL
WASHER
MAKEUP
MAKEUP
SEAT
ASSSLIP
SPEED
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CONTROL
LOCK
HANDLE
CONTROLREADING
INERTIA
CONTROL
SOUND
INTERVAL
MIRROR
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.TPOLMOOULESENSOR
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ELECTRICAL
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ELE-55
Ground
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1995-96
318ti
(2of3)
BE
.
PASSENGER'S
WIPER/
CRUISE
BODY
SEAT
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CRASH
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Page 542 of 759

ELE-58
ELECTRICAL
WIRING
DIAGRAMS
1
8916
0
BRN
BRN
m
G201
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Page 545 of 759

104444
IBRN
Ground
Distribution
1998
318ti
(2
of
3)
BRN
ml
>-
G201
ELECTRICAL
WIRING
DIAGRAMS
ELE-61
WIPER/
CRUISE
BODY
CRASHBOARD
WASHER
CONTROL
ELECTRONICS
CONTROLCOMPUTER
MODULE
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CONTROL
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OBDD
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CONNECTOR
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FRONT
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DOME/
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DRIVER'S
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MIRROR
DRIVER'S
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MAP
SUNROOF
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SUNROOFWASHERMAKEUP
PASSENGER'S
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SIDE
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WINDOWCONTROL
READING
LEFT
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COMFORT
SUNROOFCONTROL
INTERVAL
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MIRRORMIRROR
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MOTOR
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FRESH
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AIR/
HEATING/
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CONTROL
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SWITCH
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MOTOR
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SWITCH
ILLUMINATION
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TELEPHONE
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WASHERWASHER
FRONT
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SWITCH
MODULE
CIGAR
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SWITCH
SWITCH
SWITCHSWITCH
MODULE
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1
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G201
G302
G302
G303