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ELECTRICAL
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DIAGRAMS
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BLOWERSWITCH
101298
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HEATING
&CLIMATE
CONTROLMODULE
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HOTINRUNHOTINRUNHOTAT
HOTAT
HOTATALLTIMES
ALLTIMES
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IGNITION
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Conditioning
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EVAPORATOR
TEMPERATURE
SENSOR
FRESHAIR
RECIRCULATIONMOTOR
TEMPERATUREWHEELSWITCH
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WATER
VALVE
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DEGC
FAN
MOTOR
2)
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DEGC
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RN
2
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-
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I
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GR~V~~I
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BLKIIGR=11
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CONDITIONING
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.
CONTROLMODULE
(EGS)
WARNING
Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warnings
and
cautions
each
time
youprepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.
A
ABS
(anti-lock
brakes)
See
Brakes
Accelerator
and
throttle
linkage
See
Maintenance
program
Air
conditioning
general
information
640-1
air
distribution
motor,
replacing
(rotary
knob)
640-10
air
distribution
motors
640-9
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
compressor,
replacing
640-12
compressor
clutch
640-13
condenser,
replacing
640-14
control
head
640-7
removing/installing
(digital
-display)
640-8
removing/installing
(rotary
knob)
640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
evaporator,
removinglinstalling
640-17
evaporator
temperature
sensor,
replacing
640-17
expansion
valve,
removing/installing
640-16
microfilter,
replacing
640-18
receiverldrier,
replacing
640-15
sensor
fan
forinterior
temperature,
replacing
640-9
warnings
and
cautions
640-11
Air
distribution
(flap)
motor
See
Air
conditioning
See
also
Heating
Air
filter
See
Maintenanceprogram
Airbag
system
(SRS)
general
information
721-1
contact
ring,
replacing
721-3
driver
side
airbag,removing/installing
721-5
front
crash
sensor,
replacing
721-4
front
side-impact
airbag,
removing/
installing
721-7
front
side-impact
airbag
crash
sensor,
removing/installing
721-5
passenger
side
airbag,
removing/
installing
721-6
sensors
and
electronics
721-1
SRS
warning
light
and
fault
display
721-2
systems
721-1
ZAE
control
module,
replacing
721-5
Alarm
system
See
Central
locking
and
anti-theft
Alternator
See
Battery,
starter,
alternator
Anti-freeze
(Engine
coolant)
See
Maintenance
program
Anti-theft
See
Central
lockíng
and
anti-theft
AST
(Al¡
season
traction)
300-4
ATF
(Automatic
transmission
fluid)
See
Automatic
transmission
Automatic
transmission
See
alsoTransmission-general
general
information
240-1
ATF,draining
and
filling
240-2
ATF
leve¡,
checking
240-1
transmission
removaland
ínstallation
240-4
transmission,
removinglinstalling
240-4
transmission
service
240-1
Auxiliary
fan
See
Cooling
system
Axle
joint
See
Maintenance
program
B
Back-up
light
switch
See
Manual
transmission
Balljoint
See
Front
suspension
Battery
See
Battery,
starter,
alternator
Battery,
starter,
alternator
See
also
Maintenance
program
general
information
121-1
alternator,
removing/installing
(4-
cylinder
engine)
121-5
alternator,
removinglinstalling
(6-
cylinder
engine)
121-6
alternator
brushes,
inspecting/
replacing
121-7
alternator
service
121-4
batterycharging
121-4
battery
load
voltage
test
121-4
batteryopen-circuit
voltage
test
121-4
battery
service
121-3
INDEX
1
Battery,
starter,
alternator
(cont
.)
battery
testing
121-3
charging
system
quick
check121-2
charging
system
troubleshooting
121-
2
hydrometer
testing
121-3
solenoid
switch,
removinglinstalling
121-10
starter
service
121-7
starter
troubleshooting
121-7
starter,
removing/installing(4-cylinder
engine)
121-8
starter,
removing/installing(6-cylinder
engine
with
automatic
transmission)
121-9
starter,
removing/installing
(6-cylinder
engine
with
manual
transmission)
121-8
static
current
draw,
checking
121-2
voltage
regulator,
removing/installing
121-6
Bearing,
wheel
See
Front
suspension
or
Rear
suspension
Blowermotor
See
Air
conditioning
See
also
Heatíng
BMW
emblem
See
Exterior
trim,
bumpers
Body-general
general
information
400-1
body
assembly
400-1
central
body
electronics
400-4
convertible
models
400-2
coupe
models
400-2
electronic
immobilizatíon
system
400-
4
exterior
and
aerodynamics
400-2
heating
afhdair
conditioning
400-5
instruments
and
controls
400-4
interior
equipment
400-3
seats
and
seatbelts
400-3
Body
side
molding
See
Exterior
trim,
bumpers
Brake
fluid
See
Maintenance
program
Brakes
general
information
340-1
antilock
brake
system
(ABS)
340-11
inspection
340-12
wheelspeed
sensors,
replacing
340-12
bleeding
brakes
340-3
brake
booster,
removinglinstalling
340-8
brake
caliper,
removing/installing
340-6
brake
pads,
calipers,
and
rotors
340-3
brake
pads,
replacing
340-4
brake
rotor,
removing/installing
340-7
master
cylinder,
removing/installing
340-7
parking
brake
340-10
adjusting
340-10
.
cable,
replacing
340-11
shoes,
removinglinstalling
340-11
