1992 BMW M3 sensor

ELE-170
ELECTRICAL
WIRING
DIAGRAMS

15~HT/YEL
20
Y
WHT/VIO

DATA
LINK
CONNECTOR

i6

S
YEL

7
GRN/BLU
S
BLK/WHT
S
BRNIBLK
10
ELK/RED

11
WHT/GRN
12
VIO/YEL
13
BRN/YEL
1C
BRN/VIO

1S
BRN/YEL

I



1110
BLK/WHT

YEL

63365

RED/YELRED/YEL
RED/YEL
WHT/YELWHT/VIO

I
TAC=I
CRUISECONTROL
MODULE
1997
ONLY
BRN/GRY/YEL
4
H

BRNIRED



INTERIORLIGHTS
SYSTEM

YEL

LEFTFRONT
BRAKEPAD
SENSOR

RIGHT
REAR
BRAKEPAD
SENSOR

BRN



"
BRN



,~
G312

BRN/VIO

ENGINE
OOLANT
TEMPERATURE
SENSOR

BRNIYEL

HOT
IN
RUNAND
START



HOTINACCY,RUNANDSTARTr



-
---
FRONTPOWER
FUSE



FUSE



DISTRIBUTIONBOX
)
F23



/F<6
6



32GRN(



VIO/~
Btu



YEL

DOMPUTER
DATA
I



YEL
LINES
SYSTEM

WHT/YEL

"



FUELTANK
SENSORII

InstrumentPanel

1995-97
318ti
(2
of
2)

BR
4

EXCEPT
1997

GRY/REDGRY/RED

ENGINECONTROLS
~IHTW
/BLK
SYSTEM
WHT/YEL
''
coMPUTERDATA
T/VIO
LINESSYSTEM~
WH-

BRN/
RED
COMBINATION
r
-
-
(SWITCH

BLK/WHT
WIPER/WASHERSYSTEM

BLK
K/=HT
ENGINE
CONTROLSSYSTEM

BOARDCOMPUTER

G203

BRNIYEL(ORGRYIYEL)

BRN/GRY/YEL

C
DRIVERS

S
W
ITCH

FUELLEVEL
SENSOR

BRN/RED

G312
.Ip
BRN
"



BRN

RED/YEL
3
,a
BLK/R
IV
BRN



.



BN



1
{
G202
CHIME
MODULE
(1997)

REDIYEL
5B,
VIO/YE
-
L
i4
BRNIOR
6
3~
GRY/RED
11
2,

BANIGFY

ON-BOARD
COMPUTER
TEMPSENSOR

BRNIORG

11
~u
DIGITAL
CLOCK

ELE-172
ELECTRICAL
WIRING
DIAGRAMS

B78

10458
1

BRNIGRN



_
I
-


BRN/W
XT
5
I
YEL



I
--

REDIYEL

4



BLK/WHT



:



BRN/WHT
10
I
I
RADIO
0

"1
h
L



RED/VEL
3
BLK/RED



BLK/RED
2

VIO/VELVIOIYEL
BRN/GRY/YEL

BRNIYEL
BRN/BLK
SRN/RED

PARK



LEFTFRONTRIGHTREAR
BRAKE



BRAKEPADBRAKEPAD
SWITCH



SENSORSENSOR

GRN/~
NCAt



VELf
VEL



YEL
BRNj

InstrumentPanel

1998
318ti
(2
of
2)

A



A



A



J,



A



,,



11f



'
11
SWITCH



I!

BRN
I



BRN
/
VEHICLE
FUELLEVEL
FUELTANK
SP
EEDSENSOR



SENSOR



SENSORII



BRN



BFN

HOTAT
ALLTIMES

I
FUSE,DISTRIBUTI,ONBOK

L_3c5"_J

RED/I
YELI
I

W
IPERIW
ASHER
MODU
LE

BRNIWHT
10~I



I
I
CRUISE
CONTROL
MODULE

CHIME
MODULE

BRN/RED
1

1
~
WHT/VIO
2JCOMPUTERDATA
~l
LINESSYSTEM
WH/YE
WHT/BLK
4
ENGINECONTROLS
~,
RED/YEL
5
BRNIORG
8
BRN/YEL
7
BRN/GRY
8
BLK/WHT
9
VIO/YEL
10
INTERIORLIGHTS



GFYIRED
11
SYSTEM



12

GRV/
RED
YEL



10
NCA
DRIVERS
COMBINATION
BRN/I



BRN/I



BRN/'



I



1



BRNII



I



A



(DOOR



I



I
SWITCHRED
/



BLK



BLK
/



YEL
I



YEL
I



YELI



I



/



I
JAMB



I



I

.A
1
G
40E



G202

BRN/
I
ORD
I
1
G201

BRN/GRV

BRN/ORG

REOIVEL
fi
VIO/YEL
5

BRN/ORG
3`
INTERIORLIGHTS
GRV/RED
2
SYSTEM

BOARDCOMPUTER

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR

DIGITAL
CLOCK

ON-BOARD
COMPUTER

83951

HOT
IN
ACCY,
HOTATALLTIMES



RUNAND
START
FRONT
POWER
r
_____________________
_-_-I

DISTRIBUTION
BOX
I



FUSE



FUSE
I
F31



F46
5A



15A

BRN/FiED
10

2
WHT/VIO

3
WHT/YEL

}
4
WHT/BLK

RED/YEL

7
GRY/YEL

8
BRN/GRY

9
BLK/WHT

10
VIO/YEL

11
GRY/RED

On-Board
Computer

1995-98
318ti

ELECTRICAL
WIRING
DIAGRAMS
ELE-173

Lam___________________

2Y

RED/YELL



VIO/YEL
I

6



BRN/ORG



BRN/ORG
0-'201
(Z3)

G203
(318ti)

1



G302
(Z3)

NCA



-~~RN
"
-BRN

G202
(318ti)

COMBINATION
SWITCH

COMPUTER
DATA
LINES
SYSTEM

10
COMPUTER
DATA
LINES
SYSTEM

10
ENGINE
CONTROLS
SYSTEM
INSTRUMENT
CLUSTER
SYSTEM

INSTRUMENT
CLUSTER
SYSTEM

INTERIORLIGHTS
SYSTEM
BRN/GRY

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR
BRN

(Z3)
G201
!-G203
(318ti)

32Y

ELE-174
ELECTRICAL
WIRING
DIAGRAMS

83490

1
BRN/GAY

2
BLUIRED

8
BLK/GRN

9
GRNIBLU

10
WHT/BLU

11
WHT/RED

12
SRN/GRY

13
BLK/WHT

14
V10/WHT

1
.
GRYIRED
X
10Z0
1
BLK/VIO

2
3
BLK/BLU

4
RN/P
..

5
WHT/VIO

6
WHT/BLK

7
WHT/YEL

WNT/GR

HOT
IN
RUNAND
START



HOT
IN
RUNAND
START



HOTATALLTIMES



HOTATALLTIMES
r



FUSE



FUSE



1
FRO
NT
POW
ER



r



F
_
US
_
E,
AUXILIARY



FUSE,
AUXILIARY
P
F23



?F45



IDISTRIBUTION
BOX



I



F3



IFUSEBOX



I



F41



IFUSEBOX

GRNIBLU

6
BLU/BRN/YEL

BLUIVIO/WH

14B
X]97]
.
ON-BOARD
COMPUTER

5A



7
.5
.
L~___J

GRNIBLU
I



VIO/WHT

.FN

Z
G203

On-Board
Computer

1992-97
Except
318ti

ALLEXCEPT1997

EXTERIOR
LIGHTS
SYSTEM

EXTERIOR
LIGHTS
SYSTEM

INSTRUMENT
CLUSTER
SYSTEM

STARTINGICHARGING
SYSTEM

WARNING
SYSTEM

WARNING
SYSTEM

INSTRUMENTCLUSTERSYSTEM

INSTRUMENTCLUSTER
SYSTEM

INTERIORLIGHTS
SYSTEM

BODY
COMPUTER
SYSTEM

ON-BOARD
CGMPUTERTEMP
BODY
COMPUTER
SYSTEM



SENSOR

EXTERIOR
LIGHTS
SYSTEM



y
1
BRN'
{t
COMPUTER
DATA
LINES
SYSTEM
I
ENGINE
CONTROLS
SYSTEM



BRN

1
11
,
COMPUTER
DATA
LINES
SYSTEM



GROUND

INSTRUMENT
CLUSTER
SYSTEM

AIR
CONDITIONING
SYSTEM

L



=
5
-
J



L



1
_
5
-
J

1997



1



1994-1996

104489

2
BLU/RED



GRN/BLU
VIO/WHT
RED/YEL

EXTERIOR
LIGHTS
SYSTEM
3
4
5
6



BLUJBRN/YEL



INSTRUMENT
CLUSTER
SYSTEM
7
8



BLK/GRN



STARTING/CHARGING
SYSTEM
9
GRN/BLU

10



WHT/BLU



WARNING
SYSTEM
11
WHT/RED
WARNING
SYSTEM
12
BRN/GRY

13



BLK/WHT



INSTRUMENT
CLUSTER
SYSTEM
14
VIO/WHT

15



BLU/VIO/WHT



INSTRUMENT
CLUSTER
SYSTEM

17

1



GRYJRED



INTERIOR
LIGHTS
SYSTEM

18

X1070

On-Board
Computer

1998Except
318ti

1



BLK/GRN



ANTI-THEFT
SYSTEM
j
2

EXTERIOR
LIGHTS
SYSTEM
5
WHT/VIO
COMPUTER
DATA
LINES
SYSTEM
6
WHT/BLK
ENGINE
CONTROLS
SYSTEM
7
WHT/YEL
10
COMPUTER
DATA
LINES
SYSTEM
RED/YEL

ELECTRICAL
WIRING
DIAGRAMS
ELE-175

HOTINRUN
HOTINRUN
HOTAT
OR
START



OR
START



ALLTIMES
_
FRONT
POWER
DISTRIBUTION
BOX
FUSEFUSE
FUSE
F23



~
F45



~
F31
5A



7.5A
5A
----



_-----

6Y
30Y
2Y

GRN/BLU
i



VIO/WHT
i



RED/YEL

9



WHT/GRY



10
INSTRUMENT
CLUSTER
SYSTEM
10

11

12
13
BRN

14
BLK/WHT/YEL
gIR
15
CONDITIONING
SYSTEM



BRN~''
II

16

ON-BOARD



-



-

COMPUTER
MODULE



G203



G203

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR

I
671-E
L
I



11~V/HT/G
RN
I

-
3



BLKIYEL
CTRL
BIG



4



SLUIRED
,

CTRLSIG
I
5



GRV/RED
END
B
BRN



SPIN
G205

'
X11399
CONVERTIBLETOPDONTRGLMODULE

BODY
ELECTRONICS
CONTROL
MODULE
(ZKEIV)

03584

I
.
SPIN
BLK/BLU

I
-
_
I
w

HARD
OFCONNECTOR1
(IN
CONVERTIBLE
TOP
BR
B~

G~
RN/BLK

REARWINDOWBLOWER
MICRO
SWITCH

9
WHT/BLK
10
WHT/BLU

DEFOGGERSYSTEMBRNI

j
G202

ELECTRICAL
WIRING
DIAGRAMS
ELE-253

Convertible
Top

1994-97

NANDSTART
HOTATA
,
~LLTIMES



HOTACCV,
-
RU
,,
NANDSTART



HOTAT
777
A
IIB
L~~LTIMES



HOTACCV,R
'
U~



HOT
AT
ALL
TIMES

r/FUSE--___-
/FUS
E
-------
FUSE
-_____-/FPOWER
FUS



US



FU



42E------~F27E
DINT
T
IDRSRBUTIONBOX

7
BLK/RED
B
BLU/GRN
CT
RLSIG
9
GRYIBLKCTRLSIG
12V
10
RED/GRNIYEL
J
X13
15fi

TRUNKLIOSIG
20
21
BRN/WHT

WHT/VELDATASIG
2223
WHT/BLU
ROLL-OV
ER
SIG



-
GRN1VI0
DATASIG
2425
BRNIORG
GNDPWRSUPPLY
2B
~
X]1]
`z4

DATASIG



-
II1
I.

INTERIORLIGHTS
SYSTEM

CONVERTIBLE
TOPMOTOR

BLK/BRN

GRV/RED
4

BRNIORG
1
BRN/ORG
2

BRN/ORG
tSUPPLY
I
YEL/BLU
2
BLK/BLU
PO
STN
SIG
3
BLU/VEL
PO
STN
SIG
4
VEL/BRN
END
LK/GRN
CTRLSIG
POSTNSIG
B6
VEL/GRN
x1
157

TOP
OPEN
BIG



1
2



BLK/BRN

14
WHT/VIO
DATA
SIG
GND
B
BLKIBLU
PWRSUPPLY
6
VIO/WHT
,7
l
REAR
WDO
BLWPSIG



B



GRNIBLK

10
WHT/GRN
DATA
SIG
11
12
GRN/GRY



LEFT
DATASIG



II
ROLLOVER
SPOSIG
1B
ILK
HT



PROTECTION
TOP
CLOSED
BIG



14



BLKIGRN



ACTUATOR

DATASIG
1S16
WHT/VEL
1716
19
WHTIVIO
VIO/GRN
1
GRN/VIO
2
BLK/WHT
3
BLKIBLU
4
GRN/GR
V
5
WHT/VIO
B
BRN/OR
G
7
BLK
I
VIO
10
BLKIGRN
11

BLKIGRN

am

BLK/VIO
BLK/BLU

BLKIWHT

ROLLOVERSENSOR

RIGHT
II
ROLLOVER
PROTECTION
ACTUATOR

BLK/GRN
57



CLOSE
OFF
N-H

CONVERTIBLE
TOP
ACTUATING
SWITCH
BRN/ORG-
f
I

BLK/BLU

BLK/
,
BRNIORRG

CONVERTIBLETOP
POSITION
MICRO
SWITCH

WHTIBLU
~~
BLU

CONVERTIBLE
TOP
END-POSITION
MICRO
SW
ITCH

BLKIRED
BLU
ELK-
.
/EEL
RED
BRN
/ORG
~~



BRN
LOCKED

WHT/BLK
~~
CRY
UNLOCKED

WINDSCREENCOWLPANEL
LOCK
CONVERTIBLE
TOP
STORAGE
MOTOR



MICROSwITCH
(1996-97)

ELE-254
ELECTRICAL
WIRING
DIAGRAMS

CONVERTIBLETOP
CONTROL
MODULE

I
18
W
HT/RED
I



1
X1
3254
I



I
1
5
WHT/
YEL
I



17
11
WHTIGRN
I



__I
X13255
BODYELECTRONICS
CONTROL
MODULE
(ZKE
IV)

II
NCA
BLC
-/BL
U
I



NCA



,
BRN
I
__I
HARDTOP
CONNECTOR
1

REARWINDOW
BLOWER
MICRO
SWITCH

104867

,2
LOCKCTRL
;

CTRLSIG
4
8-t
.)/RED

TOPOPENSIG
Ir
J2
J3DA
TASIG
GND
PWRSUPPLY
J
7

HOTAT
HOTINRUN,



HOTAT



HOTINRUN
HOTINRUN,
HOTAT
ALLTIMES
ACCYANGSTART



ALLTIMES
7II
~~



ANOSTART
ACCYANDSTART
ALLTIMES
AUXILIARY
F



_
FUS
_
E
,



r
7`
7
F_US_E
_
_



FUSE



FUSE



FUSE



FUSE
~FRONT
POWER
FUSE
BOXI



=35



I



I
L
,F43-



_



F7



F24



F42



P27
1



1-



1DISTRIBUTIONBOX
L
20-J



S
.



S
.-0-7-0-
5A
_
j

L



SS
OUTPUT
CTRLSIG
5
GRYIRED



III



II



II



I



I



INSTRUMENTCLUSTER

N
GND



8



BR



~~
G904



I



VIO/GRN



2
LOCK

CTRL



1
7



BLK/RED
BLK/WHT
4
CTRLSIG
J3



BLU/GRN



-
8LK/BLU
B

"
CTRLSIG
9
GRYLK



II



II
I



IIIIII



III



GRN/BLK
8
12V
,
D
RED



IIIII



III



IIII



I



I
I
I



BRNIORG
~n
lzo-



WHT/BLU
12
BLK/VIO
11
isUPPLY
1
YEL/BLUWHTIVIO
20ITIONSIG
2
BLK/BLUBLK/GRN
21
..

.
POSITION
SIG



3



BLU/YEL
GND
4
YEL/BRN
ROLLOVER
SENSOR
BLKIGRN

II
q

RIGHTROLLO
ER
OUATOR
N

POSITION
SIG
l
iS



BLK/GRNCTRLSIG
18



YEL/GRN
157

8LK/BRN
WHT/VIO
BLK/BLU
VIO/WHT

REARBLOWER
18
GRNI.L
K
AL
G312

NN=A
(
BRN/YEL



DEFOGGER
SYSTEM
NCABLKNCA

BRN

Convertible
Top

1998

2
1
281
Xt00
]E



,41x19010



BIx1oo17
241x190]7141X70012
RED
'
WH1I



GRN
/I



G
BNKI
GRNIGRNI
VIO



GRN/VIO
23
DATA
LINK
W
~T
CONNECTOR
GqN
[
GRN/
J
VIOLj
_
ROLLOVER
I
ELK



GRN



I



PROTECTION
1
20Y
,BT



I
WARNING
I
I
HT/



WHTlBLU



10



IN
D
1
EL

J
9
DATA
SIG



1_10



WHT/GRN
11J
lz
SPEEDSIG
113
BLK/WHT
TOPCLOSESIG
I14
BLK/GRN

rrr
r

CONVERTIBLE
UNLOCK
LOCK



I
TOPMOTOR
WINOSCREENCOWLPANEL
LOCKMICROSWITCH

"
BLK
K/WHT
2
I



I

CONVERTIBLE
TOP-END
TRUNKLID
POSITION
MICROSWITCH
MICROSWITCH

BLKIVIOBLK/BLU

BLK/WHT

RED/GRN
BRN

LEFT
II
ROLLOVER
PROTECTION
ACTUATOR

CONVERTIBLETOPSTORAGE
LID
LOCK
MOTOR

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