1993 BMW M3 relay

I
---
i
I



Ii1



BLK/RED
I



I
2
BLU/GRN
I



I
3
BLK/YEL
I



I
4
BLU/RED
I



I
5
WHT/YEL
I



I
8
BRN
I



I
9
BLK/GRY
I



I
10
BLU/YEL
I



I
11
BLK/RED
I



I
12
GRN/RED
I



I
13
WHT/RED

I



I
1
}---
I-
--I
RELAY
MODULE



BRN

03

62909

BLUIYEL
BILK/RED
WHT/REDGRN/RED
BLK/RED
BLK/YEL
BLK/RED
WHT/GRNWHT/GRN
WHT/YEL

BLK/GRY
BLU/GRN
BLU/YEL
WHT/YEL

HOTATALLTMES
FUSE
-
1
FRONT
POWER
I



F19



IDISTRIBUTION
BOX

G2

J
.
G302

16RE
O/
V10
ELECTRICAL
WIRING
DIAGRAMS
ELE-235

Power
Windows

1994-97
Except
318ti
(2
of
2)

CENTRALPOWESWINDOW
SWITCH
(CONVERTIBLE
ONLY)

GRN)
YEL)



R
L
EDI
W
YEL

CONVERTIBLE
''
4DOOR

LEFT



RIGHT
REAR



REARWINDOW



WINDOWMOTOR
I
S



)MOTOR

GRY/RED
6

BLU/GRN

OFF
BLK/V
L4
{
OPEN
W0071
AUTOOPEN
I

SPIN

BLK/RED
4

SRN
-5

GRY/RED
6

GROUND
+



SRN

AUTOCLOSE
CLOS

CLOSE
W
DO

AUTOOPE

LEFT
REARDOOR
(CONSOLE)
POWER
WINDOW
SWITCH
(4
DOOR)
LEFT
REAR
POWER
WINDOW
SWITCH
(CONVERTIBLE)

OFF
"
.--
1
EN
WDO



I
AUTOOPEN
"
I

RIGHT
REARDOOR
(CONSOLE)
POWER
WINDOW
SWITCH
(4
DOOR)RIGHT
REAR
POWER
WINDOW
SWITCH
(CONVERTIBLE)

CLOSE
OFF
OPEN
T



I

AUTOOPEN

AUTOOPEN
LEFTREARDOOR
(DOOR)
POWER
WINDOW
SWITCH
(4
DOOR
ONLY)

WHT/YEL
3
CLOSE
"
OFF
OPEN
I
WIT/GIN



AUTOOPEN
I

RIGHT
REARDOOR
(DOOR)
POWERWINDOW
SWITCH
(4
DOOR
ONLY)

L__-I
RELAY
MODULE

1
BLU/YEL
-[RED
2
WHT/RED
34
GRN/RED
5
BILK/RED
BLK/YEL
B
BLK/RED
TB
WHT/GRN
9
WHT/GRN
10
WHTIYEL

10453
0

BLK/GAYBLUIGRN
BLUIYEL
WHT/YEL

HOTATALLTIMES



LEFT



RIGHT
r



FUSE
1PRONTPOWER



REAR



REAR
I
F1S
IDISTRIBUTIONBO%



WINDOW



WINDOWMOTOR



MOTOR
L

RED/
VIO

I
1
BILK/RED
I
2
BLU/GRN
I
3
BLK/YEL
I
4
BLU/RED
I
5
WHT/V
EL
I
BB
RN
I
R
BLKIGRV
I
10
BLUIYEL
I
11
BLK/RED
I
12
GRN/RED
13
WHTIRED
I
15
RED/VIC

1
SPIN
)

Power
Windows

1998
Except
3181,
318ti
(2
of
2)

CENTRAL
POWERWINDOW
SWITCH(CONVERTIBLE
ONLY)

ELECTRICAL
WIRING
DIAGRAMS
ELE-237

GR
U
NTVL
ELI



RED)
W
VEL
GRYIR~T

BLU/GRN



1
Ii
_



CLOSE
CLO
OFF-
BLK/VE
2



OPEN
I

BRN

BRN

GRVIRED

WHT/YEL

WHT/GRN

SRN

GRV/RED

AUTOOPEN
"
I

OFF

BLU/YEL



1
I
._



CLOSE

LEFT
REARDOOR
(CONSOLE)
POWERWINDOW
SWITCH
(4
DOOR)
LEFT
REARPOWERWINDOW
SWITCH
(CONVERTIBLE)

CLO
OFF
BLKIR
OPEN
AUTOOPEN
"
I

RIGHT
REARDOOR
(CONSOLE)
POWER
WINDOW
SWITCH
(3
DOOR)RIGHT
REAR
POWER
WINDOW
SWITCH
(CONVERTIBLE)

CLOSET
OFF
OPEN
t



I
AUTOOPEN
I

AUTOOPEN

LEFTREARDOOR(DOOR)
POWERWINDOWSWITCH
14
DOOR
ONLY)

WHT/YEL
1~CLOSE1
OFF
OPEN
I
WHT/GRN



2,



AUTOOPEN



II

AUTOOPEN

RIGHT
REARDOOR
(DOOR)
POWERWINDOWSWITCH
(4
DOOR
ONLY)

ELE-246
ELECTRICAL
WIRING
DIAGRAMS

63939

HOT
IN
RUN
T
AND
START



HOT
ATALLTIMES
rTFUSE
-------------------------_---------
FUSE
,FRONTPOWER
'
F23



14



1DISTRIBUTION
BOX
5-_____________________________________
aI"'D"1
.



B

I

~

GRNIBLU



RED/VIO

UNLOADER
fifi



30
RELAY
.

85
-----_-_-__--------------------



TERMINAL15

Heated
Seats

1995-97
318ti

ELE-248
ELECTRICAL
WIRING
DIAGRAMS

1
69042

83567

HOTATALLTIMES
~FRONT
POWER
DISTRIBUTION
BOX
RED
RED

SUNROOF
SUNROOF



SUNROOFCONTROL
SWITCH



-_
MOTOR
ASSEMBLYM

i

HOTATALLTIMES
~
1FRONTPOWER
DISTRIBUTION
BOX

COMFORT
________---_
__-_-____
RELAY

Z
2
y
/



4
RED/BLU1



BLK/G
RN
RED/B1-U
"
RED/BLU
1



5



79

FUSE
I
FRDINT
POWERPOWER
F1



DISTRIBUTION
BOX
30A
J

STEP-
BY-



MICROSWITCH
STEP
SWITCH

RED

Power
Sunroof

85
2
y
'



8



y
'
RED/VIO'
SPIN
VIO/YEL
9
I
"
F-1992
VIO/YEL~
9
_
X_
13012
"
ICOMFORTI
BRNI
RELAY
1
I
CONTROL
I
POWERWINDOWS
G202
CENTRALLOCKINGSYSTEM



MODULE
BRNT

BRNI
t
G203

FRONT
POWER
Fi
/
9
E
~
DISTRIBUTION
BOX
5A
-I



!
_I

SUNROOF
SUNROOF



SUNROOF
CONTROL
SWITCH



MOTORASSEMBLY
1



M
-
Y

II
STEP-BY-



MICROSWITCH
STEP



I
SWITCH

NCA

BRNI
BRNI
1
G203

BODY
ELECTRONICS
CONTROMODULE
(ZKE
IV)

COMFORT
RELAY

1992-93

1994

84238

GRY/RED

84240

INTERIOR
LIGHTS
SYSTEM

HOTAT
ALL
TIMES
FRONT
POWER
DISTRIBUTIONBOX
-
.I

RED



RED

OMFORT

------
-
-



----------
RELAYC

T
2
REDIBLU~

REDIBLU
1



19I
X13254
r
-
FRONTPOWER



BODY
I



FUSE
I
DISTRIBUTION
BOX



I



ELECTRONICS
I



I



I
CONTROL
I



30
.4
J



I



-
I
MODULE_
2
-

REDIVIDI

NCA

ELECTRICAL
WIRING
DIAGRAMS
ELE-251

Power
Sunroof

HOTATALLTIMES

6

RED/VI
1

SUNROOF
SWITCH

NCAI
.L2
BRNI

BRNI
1
G203

BLKIYELI
WHT/YELI



BRNI
BLK/GRNI
BLKIRED

1u
18j,
X132
54
.
r



1
BOGY
I



ELECTRONICS
I



I
CONTROL
I



-
-
--



MODULE

1995
Early

SUNROOF
Production
CONTROLASSEMBLY



3
18ti

SUNROOFCONTROL
ASSEMBLY

1995
Late

2T



Production
&

BRN1



1996-98
318ti

BRN
s



Sliding
Sunroof

I
t
G203

ELE-252
ELECTRICAL
WIRING
DIAGRAMS

88588

SL

BLK
104876

8

GRN

GRN

HOTATALLTIMES
FflONT
POWER
DISTRIBUTION
BOX

BLK/GRN

RED/BL
.
I



19
r



FUSEIFRONTPOWER



I
-
-
I
BODY
DISTRIBUTION
BOX



ELECTRONICS
F1
I
ICONTROL
Z30A
J



-
I
MODULE

RED/V1110'



1997
NCA



SUNROOF
318ti
Folding
SUNROOF



SUNROOFCONTROL
Sunroof
SWITCH



-_
MOTORASSEMBLY
M

~E~7



111

3

BLKIGRN

BLK/GRN

Power
Sunroof

STEP
-BY
I
.
MICROSWITCH
1
---



SWITCH

7

BLK/RED

BLKIRED

U
2J
.1
191
181
X7325
I
I



I

FOLDING
BODY
SUNROOF
ELECTRONICS
MOTOR
CONTROL
MODULE

HOTATALLT_IMES
FPONTPOWER
-
i
DISTRIBUTIONBOX

RED

REDIV
1
IO

9

BLK/YEL

NCA

BRNI
BRNI
1
G203

r
-
FRONTPOWER
FUSE
DISTRIBUTIONSOX
F1
II
,30A
J
4

BLK/YEL

TIP
CLOSE
OPEN

GRY/RED

6

SRN

FOLDING
4
SUNROOF
BRN
1
SWITCH

FOLDING
SUNROOF
COMFORTRELAY

1998

318ti
Folding

Sunroof

WARNING

Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Befcre
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
frontof
the
manual
.
Review
these
warnings
and
cautions
each
time
you
prepare
to
workon

your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.

Door
glass
See
Door
windows
Door
windows
general
information
512-1
front
door
window
(2-door
models)
adjusting
512-7
removing/installing
512-5
front
door
window
(4-door
models)
initíalizing
512-1
removing/installing
512-2
rear
door
window
(4-door
models)
removing/installing
512-4
fixed
glass,
removing/installing
512-
4
rear
vent
window
or
vent
latch,
replacing
(2-door
models)
512-11
window
regulator
and
motor,
removing/installing
512-12
window
regulator
service
512-12Doorcheck
See
DoorsDoor
handle
See
Centrallocking
and
anti-theft
Door
panel
See
Doors
Doors
general
information
411-1
door
adjustment
411-2door
check,
replacing
411-2
door
panels
411-3
doors411-1
front
orrear
door,removing/installing
411-1
front
door
panel,
removing/installing

411-3
rear
door
panel,
removing/installing
411-4
rearsidepanel,
removing/installing
(two-door
model)
411-4
Drive
axle
See
Rear
suspension
Driveability
troubleshooting

See
Engine-general
Driveshaft
general
information
260-1
center
bearing
assembly,
replacing
260-6
driveshaft,
aligning
260-3
driveshaft,
installing
260-4

Driveshaft
(cont
.)
driveshaft,
removing260-4
driveshaftservice
260-3
flex-disc,
replacing
260-5
front
centering
guide,
replacing
260-7
guibo
See
flex-disc
troubleshooting260-1

ECM
(engine
control
module)
pin
assignment
See
Fuel
injection
Electrical
circuit
See
Electrical
system-general
Electrical
component
locations
general
information
610-1
auxíliary
relay
panel
610-2
component
location
table
610-9
component
locations
610-3
fuse
position
tables
610-19
fuse
positions
610-1
relay
positions
610-2
splice
panel,
left
610-2
splice
panel,
right
610-3
Electrical
system-general
general
information
600-1
continuity,
checking
600-5
electrical
test
equipment
600-2
safety
precautions
600-1

short
circuits
600-5
short
circuit,
testing
with
ohmmeter
600-6
short
circuit,
testing
with
voltmeter
600-6
troubleshooting
600-3
voltage,
measuring600-4
voltage
and
polarity
600-1
voltage
and
voltage
drops
600-4
voltage
drop,
testing
600-4
wiring
codes
and
abbreviations
600-2
wiring
diagrams
600-2
wiring,
fuses
and
relays
600-1
Electrical
wiring
diagrams
general
information
ELE-1
wiring
diagrams
ELE-2
ABS
ELE-117

ABS/AST
ELE-120
airbag
(supplemental
restraint
system)
ELE-140
air
conditioning
and
heating
ELE-
129
anti-theft
(Alpine)
system
ELE-144
anti-theft
(EWS
II)
ELE-150
body
computer
module
ELE-176
charging
system
ELE-67
convertible
top
ELE-253
cruise
control
ELE-112
data
link
connector
ELE-86
engine
cooling
ELE-94
engine
management
ELE-70
exterior
lights
ELE-194
ground
distribution
ELE-35

headlights/foglights
ELE-180

INDEX
3

Electrical
wiring
diagrams
(cont
.)

heated
seats
ELE-245

horns
ELE-153
instrument
panel
ELE-165
interior
lights/illumination
ELE-211
lumbar
control
ELE-247
on-board
computer
ELE-173
park
ventilation
ELE-139
power
distribution
ELE-2
power
door
locks
ELE-226
power
mirrors
ELE-241
power
seats
ELE-243

power
sunroof
ELE-248

power
windows
ELE-231
radio/cassette/CD/speakers
ELE-
255
rear
window
defogger
ELE-160
shift
interlock
ELE-110
starting
ELE-63
transmission
electronics
ELE-96
warning
systems`
.
chimes
ELE-178
wiper/washer
ELE-154
Emergencies
See
Fundamentals
for
the
do-it-
yourself
owner
Engine-general
general
information
100-1
air
flow
measurement
and
vacuum
leaks
100-12
basic
engine
settings
100-11
basic
requirements
100-11
battery
voltage
100-12connecting
rods
and
pistons
100-1
cooling
system
100-5
cylinder
block
and
crankshaft100-1
cylinder
compression,
checking
100-6
cylinder
head
and
valvetrain
100-2
DISA
(dual
resonance
intake
system)
100-3,130-3
driveability
troubleshooting
100-8
engine
management
system
100-3
fuel
delivery
100-5
fuel
supply
100-14ground
connections
100-13
ignition
100-5
lubrication
system100-5
mechanical
troubleshooting
100-5
on-board
diagnostics
(OBD)
100-8
oxygen
sensors
100-11
preventive
maintenance
100-11
VANOS
(variable
valve
timing)
100-2warningsand
cautions
100-5
wiring
andharness
connections100-
13Engine
control
module
(ECM)
See
Fuel
injection
Engine
removal
and
installation
general
information
110-1
engine,
removing/installing(4-cylinder
engines)
110-1
engine,
removing/installing
(6-cylinder
engines)
110-4
Engine
coolant
temperature
(ECT)
sensor
See
Fuel
injection
Engine
hood
See
Fenders,
enginehood

4
INDEX

Evaporator
See
Air
conditioning
EWS
(Electronic
immobilization
system)
515-8
Exhaust
system
See
also
Maintenance
program
general
information
180-1
exhaust
manifolds,
removingAnstalling
180-5
exhaustsystem,
removing/installing
180-3
Expansion
valve
See
Air
conditioning
Exterior
lighting
general
information
630-1
center
brake
light
housing,
replacing
(4-door
and
coupe
models)
630-5
foglight
assembly,
removing/installing
630-3
front
turn
signal
assembly,
removing/
installing
630-4
headlight
assembly,removing/
installing
630-2
headlight
bulb,
replacing
630-1
license
plate
light,
removing/installing
630-6
side
marker
lights
630-4
taillight
assembly,
removing/installing
630-5
taillight
bulbs,
replacing
630-4
Exterior
trim,
bumpers
general
information
510-1
BMW
embiem,
removing/installing
510-7
body
side
molding,
replacing
-7
bumper
height,
adjusting
510-6
front
bumper,
removing/installing
510-3
front
bumper
impact
absorber,
replacing
510-4
front
panel,
removing/installing
510-7
outside
rear
view
mirrors
510-1
mirror
housing,
removing/installing
510-1
mírror,
removing/installing
510-2
mirror
glass,
replacing
510-1
radiator
grille,
removing/installing
510-7
rear
bumper,
removingfinstalling
510-
4
rear
bumper
impact
absorber,
replacing
510-4
F

Fenders,
engine
hood
general
information
410-1
front
fenders
410-1
front
fender,
removing/installing
410-1
hood
aligning
410-4
hood,
raising
to
service
position
410-2
hood
release
cable
and
latches,
adjusting
410-4
hood,
removing/installing
410-3

Finaldrive
general
information
331-1
final
drive
se
rvice
331-1
flange
oil
sea¡,
replacing
331-2
inputshaft
oil
sea¡,
replacing
331-3
oil,
draining/filling
331-1
oil
seals331-1
removing/installing
331-3
Final
drive
carrier
See
Rear
suspension
Firing
order
See
Ignition
system
Flexdisc
See
DriveshaftFluids
and
lubricants
See
Maintenance
program
Foglight
See
Exterior
lighting
Front
suspension
general
information
310-1
ball
joint
See
outer
control
arm
ball
joint
control
arm,
removing/installing
310-5
control
arm
bushing,
replacing
310-7
control
arms
310-5
front
wheel
bearing,
replacing
310-8
front
wheel
bearings
310-8
outer
control
arm
ball
joint,
replacing
(except
M3)310-6
ride
height
310-4shock
absorbers
and
springs
310-2
stabilizer
bar
310-9
stabilizer
bar,
removing/installing
310-9
strut
assembly,disassembling/
assembling310-4
strut
assembly,
removing/installing
310-2subframe
crossmember
310-9subframe
crossmember,
removing/
installing
310-9
Fuel
injection
general
information
130-2
basic
engine
settings
130-2
principies
of
operatínn
130-2
Bosch
DME
Ml
.7
component
tests
and
repairs
130-14
air
floiv
sensor,testing/replacing
130-14
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-15
¡dle
speed
control
valve,
testing/
replacing
130-16
throttle
position
sensor
(TPS),
testing/replacing
130-16
Bosch
DME
M3
.1
and
M3
.3
.1
component
tests
and
repairs
130-17
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-18
¡dle
speed
control
valve,
replacing
130-21
¡dle
speed
control
valve,
testing
130-
20
intake
air
temperature
(IAT)
sensor,
testing/replacing
130-19
mass
air
flow
sensor130-17

Bosch
DME
M3
.1
and
M3
.3.1
(cont)
mass
air
flow
sensor
(hot
film)

testing/replacing
130-18
mass
air
flow
sensor
(hot
wire)
testing/replacing
130-17
throttle
position
sensor
(TPS),
testing/replacing
130-19
Bosch
DME
M5
.2
component
replacement
130-21engine
coolant
temperature
(ECT)
sensor,
replacing
130-22
ldle
speed
control
valve,
replacing
130-23
intake
air
temperature
(IAT)
sensor,
replacing
130-22
mass
air
flow
sensor,
replacing
130-
22
throttle
position
sensor
(TPS),
replacing
130-22
DISA
(dual
resonance
intake
system)
130-3
ECM
pin
assignments130-26
electrical
checks
andcomponent
testing
130-7engine
control
module(ECM),

accessing
130-26
fuel
delivery
tests
130-9
fuel
pressure
regulator
response
to
engine
load,
testing
130-11
fuel
pressure
regulator
130-13
fuel
pressure
regulator,
replacing
(fuel
rail
mount)130-13
fuel
pressure
regulator,
replacing
(under
car
mount)130-14
fuel
pump
relay,
testing
130-7
fuel
rail
and
injectors,
checking
130-11
fuel
rail
and
injectors,
replacing
130-
12
fuel
delivery
tests
(cont
.)
operatíng
fuel
pump
for
tests
130-9
relieving
fuel
pressure
and
connecting
fuel
pressure
gauge
130-10
residual
fuel
pressure,
testing
130-10
main
relay,
testing
130-7on-board
diagnostics
(OBD)
and
fault
diagnosis
130-4
oxygen
sensor,
testing
(Bosch
systems
only)
130-8
secondary
air
injection
130-5
Siemens
MS
41
.1
component
replacement
130-23
engine
coolant
temperature
(ECT)
sensor,
replacing
130-25
¡dle
speed
control
valve,
replacing
130-26
lntake
air
temperature
(IAT)
sensor,
replacing
130-25
mass
air
flow
sensor,
replacing
130-
25
throttle
position
sensor
(TPS),
replacing
130-26warnings
and
cautions
130-6
Fuel
filter
See
Maintenance
program