ELE-126
ELECTRICAL
WIRING
DIAGRAMS
93371
BRAKE
LIGHT
SWITCH
VIOIYE,
HOTAT
HOT
IN
RUN
HOT
IN
RUN
HOTAT
HOT
IN
RUN
I
TIMES
ANDSTART
ANDSTART
ALLTIMES
ANDSTART
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FRONT
POWER
F46
2
F2
Fl
.
'2'
L
1=A---------_----
3=A
-------
_--
BA------
SA
7
---
30A
-----------
SA-~
DISTRIBUTIONBOX
Y
I
EL~
GRNI
OBNU
GRNIVEL~
R
BLU~
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VIO
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SUPPLY
.TERMINALIS
j
9
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VOLTSUPPLY,TERMINALIS
i19
GRNIBLU/V
EL
OPERATING
VOLTAGE
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99
PEOIGPNIVEL
ABSRELAYCTRLIi1
BRNIBLK
RTFNTINLETVLVCTRL
i2
BRNIWHT/YEL
LFINLETVLVCTRL
22
BRNIGRN
B
LFOUTLETVLVCTRL
25
RN/RED
BRNIGRN/YEL
RF
OUTLETVLV
CTRL
REARAXLE
OUTLETVLV
39
}
BRNIWHT
REAR
AXLE
INLETVLVCTRLli2
BRNIBLU
VOLT
"ON,
HYDRAULICS
I~
FLSPDSENSGND
FL
SPEED
SENS
SIGNAL
FRSPDSENSGND
FRSPEEDSENSSIGNAL
I)
GROUNDGROUNDGROUND
SLIP
CONTROL
MODULE
(ABS)
16
BRN
7
BRN/RED
5
YEL
3B
BRN
17
BRN
26BRrv41
BFN
RED/BRNIYEL
RLSlEID61NSSIINIL
14BLU
PLSPDSENBGND
j
1
~
BRN
PRSPEEDSENSSIGNAL
%SS
YEL/BLK
RRSPDSENSGND
j14
YFLIBRN
TXDDIAG
l26
WHT/VIO
ABS
1995-96
318ti
w/o
Traction
Control
G203
61
8
BPN/I
PE
./8
GRN/
BLK
YEL
WIG
6262
~Ip
REDIGRN/YEL
7
BRN
4
RED/BLU/YEL
3
BRNIWHT/YEL
2
BRN/GRN
FN/FE
.
S
BRNIGRN/YEL
9
BRN/WHT
10
FN/BL
.
11
RED/BRN/YEL
12
L
I
J
II
LEFTFRONT
~
.}
.1
INLET
VALVE
YEL
.
.
NCA
BRN
NCA
BRN
;.
NCA
Lai
~~~
--
~j
(
FIGHT
FRONT
_~
jll
INLETVALVE
D11
LEFTFRONT
OUTLETVALVE
D11
RIGHTFRONTOUTLETVALVE
II
II
REARAXLE
OUTLETVALVE
REARAXLE
INLETVALVE
II
OVER
VOLTAGE
PROTECTION
ABSHYDRAULIC
UNIT
6R
N
NCA
LEFT
NCA
FRONT
ABS
SPEED
SENSOR
BRN
N/E
NCA
l
RIGHT
~
FRONTASS
~
SPEED
LY
~
SENSOR
BL
S
NCA
LEFT
~7
REAR
ABSSPEED
BFN~
NCA
SENSOR
YELIBLK
NCA
RIGHT
REAR
WHTI
~
ABS
VIO
SPEED
20
YELIBRN
N
OA
SENSOR
DATA
LINK
CONNECTOR
'
ASS
CONTROL
2
MODULE
HYDRAULIC
UNIT
93-
ELECTRICAL
WIRING
DIAGRAMS
ELE-127
ABS/AST
HOTAT
HOTINACCY,
HOTINRUN
HOTAT
HOTINRUN
ALLTIMES
RUN
AND
START
ANDSTART
ALLTIMES
ANDSTART
FUSE
IF
FUSE
FUSE
FUSE
,
POW
L
-
,30A
---
,15A
_---
SAA
-
1
---
30A
F27
J
gOX
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ENGINE
20
REDIBLU
REDIBLU
GRN/VIO
GRN/VIO
I
RED/
ICON7ROLS
SYSTEM
II),
GRN/
.FN
YEL
BLU/
1
VEL
23,L
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BRAKE
INSTRUMENT
J
I
LIGHT
I
J
SWITCH
I
CLUSTER
I
I
ABS
I
G202
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I
_
3,I
IND
I
BRN
-
I
O
2
BLU/RED
218
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24
BRN
DATALINK
SYSTE
gU
M9
RED/GRN
LIGM
a'
CONNECTOR
X
21
WHT/GRY/YEL
T
20
GRV/
~7
WHT/VIO
W'
"'D
BLU/
BLK/
18
BLUIED
"
"
RED
YEL
4
GRN/BLU
YEL
25
RED/BLU
16
GRY/BLK/YEL
X
23
YEL/BLK
X
22
V
}
E2~
-
~BRN
19BRN
20
~
RN
6
B~RU_~
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BRN
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B~
RN/RED
2
BRN
BRNd
b
G202
LEFTFRONTABS
LEFTREARASS
RIGHTFRONTABS
RIGHTREARABSSPEEDSENSORSPEEDSENSORSPEEDSENSORSPEEDSENSOR
1997w/
Traction
Control
ELE-128
ELECTRICAL
WIRING
DIAGRAMS
108620
ASS
CONTROL
MODULE/
HYDRAULIC
UNIT
~4
GRN/BLU/YEL
7
9
RED/GRN
116
GRY/BLK/YEL
)
18
BLU
IRE1=
25
RE0/BLU
11
BR
22
BRN
66
BFN
,6
BLU
17
WHT/VIO
G
RN/
BLU/
YEL
WHT/VIO
-
26
___
DATALINK
CONNECTOR
119
YELX20
BRN
X21
WHT/GRY/YEL
BRN/RED
7
X22
YEL/BLK
23
YEL/BRN
8B
RN
X24
BRN
G202'A_'G203
(31811)
(318,323,
328,M3)
ABS/AST
1998w/
Traction
Control
HOTINRUN
.
.TAT
HOT
IN
RUN
HOTINACCY,
HOTATANDSTART
ALLTIMES
AND
START
SUNAND
START
ALLTIMES
--------
-----------
--
FRONT
POWER
USE
L
USE
FUSE
I
FUSE
I
FUSE
IDISTRIBUTIONBOX
F38
12
30A
SA
---
----------
v----------
,
16
1
4
GRNI
RED/
pRN/
-1
RED/8LU/
I
GFN
I
VIO
I
YEL
I
BLUYEL
I
I
GRY/
BLK/
YEL
ENGINE
CONTROLS
SYSTEM
INSTRUMENT
BRAKE
(
CLUSTER
'LIGHT
ASS
I
I
(SWITCH
IND
I
I(
~~
--I
F46
F10
I
16A-
0
I
------
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EXTERIOR
LIGHTS
SYSTEM
rf,
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o
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o
S
1
1,
E-
01
.
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l
G202
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(31811)
(318,323,
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M3)
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t
G203
(31811)
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328,M3)
(2DOOR)
2I
1
(2DOOR)1
4
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2
,
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DOOR)
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1
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DOOR)
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-
-
-
-
-
-
-
--
-
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-
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4(2
DOOR)
1
BLUIVEL
I
RIGHT
RIGHT
I
LIGHT
I
BRAKE
BACK
IABSEMBLV
I
LIGHT
UP
I1
---------------
GHT
8
(2
DOOR)
B
Exterior
Lights
1994-96
(USA)
&
1997Except
318ti
(3
of
3)
HOTINACCY,RUNANDSTART
HOTINRUNANDSTART
II
-------------------------------+FUS~FRONTPOWER
FUSE
DISTRIBUTION
46
26
16A
l
.A
I
___________________________-_-___
_-I
32
X
IDDtn
12
X10017_
0
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a3T
2
WIOCHECKCONTROLMODULE
W/OCHECKCONTROLMODULE
I
-----------------
LEFT
TRUNK
BRAKE
BACK
IABSEMBLV
LIGHT
UP
I
LIGHT
_____J
9
1
X
1n74
---------
-_-__-----------
iaY
x107
ELECTRICAL
WIRING
DIAGRAMS
ELE-205
BRAKE
LIGHT
v
3
(
SWITCH
I
I
A/T
!
_
ZJ
-
W/CHECK
CONTROL
MODULE
--------------I
CHECK
CONTROLIMOOULE
1
6312
1
RIGHT
RIGHT
TRUNKBRAKE
BACK
(LIGHT
I
LIGHT
UP
IABSEMBLV
m
i
LIGHT
j
(2
DOOR)
B
2
=T
RIGHT
(2
DOOR)
7
1
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DOOR)
6I
(2
DOOR)
6
TRUNK
HIGH
LEVEL
STOP
LIGHT
BLUIVEL
(2DOOR)
2
(2DCOF)1
VEL
[WIOCHECK
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2
CONTROL
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2
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RANGE
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SWITCH
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3
WICHECK
CONTROL
MODULE
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I
CHIME
MODULE
I
I
LEFT
LEFT
I
LIGHT
AIT
ONLY
ELE-208
ELECTRICAL
WIRING
DIAGRAMS
88603
4
(2DOOR)
1
HOTINACCV,PUNANDSTART
HOTINRUNANDSTART
r
-5E---_--__-------------
._____-___--------
FUSE
FRONTPOWER
26
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DISTRIBUTION
BOX
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I
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12
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all
of
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2
323,
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328.M3
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CONTROLMODULE
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CONTROL
(MODULE
!
I
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S,
~,
4YX
[
1075
.
Exterior
Lights
1998
Except
318ti
(3
of
3)
BLUIYEL
WICHECKCONTROLMODULE
REVERSING
LIGHT
SWITCH
(2DOOR)
221
(2DOOR)
21
-
0
AITONLY
'
(EXCEPT
1998)
'F
RIGHT
BLUIYEL
WIOCHECK
RIGHT
RIGHT
l
7RUNN
`
CONTROL
I
BRAKE
BACK
(LIGHT
MODULE
-
!
LIGHT
UP
(ASSEMBLY
I
-,
.HT
(2
D
OR)
7
(2
DOOR)
5
(2
DOOR)
8
(2
DOOR)
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2
T
Q
88,{,
7A,
LEFT
HIGH
TRUNK
LEVEL
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X1476
LEFT
LEFT
LIGHT
STOP
_
BRAKE
BACK
ASSEMBLY
LIGHT
(
!CHIME
LIGHT
UP
MODULE
LIGHT
Q
I
I
(EXCEPT
1998)
(2DOOR)
2~
(2DOOR)
7I
(2DOOR)
6I
(2DOOR)
5
(2DOOR)
1~
__--
2
LEFT
-
RIGHT
TRUNK
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LEFT(LIGHT
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RIGHT
RIGHT
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!
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---_--_----
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4
Y
y
II
(2
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1
------
(2
DOOR)
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1
G312
ELE-210
ELECTRICAL
WIRING
DIAGRAMS
63662
HOT
INACCY,RUNANDSTART
HOTATALLTIMES
HOT
AT
ALL
TIMES
-----__-_
_
_
_
_
._----------------
-1
FRONT
POWER
I
FUSE
FUSE
FUSE
(DISTRIBUTION
66
33
37
I
16A
10A
10A
IBOK
L
_________________________________
1
32
I
X19016
O
X
10016
3
B
GHT
.
'IGNITION
I
LIGHT
WITCH
~
.~
.
..
.~Isrc
i
'SWITCH
~
ISWITCH
I
I
I
OFP
HEAD
OFF
HEAD
OFF
HEAD
I
2
(OFF
-ACC,(
I
----
I
I
I
PARK
PARK
PARK
I
!__
___________________
___
a
j
18
'
I
I12
1B,l~
10,L
NII
I
I
I
I
I
I
I
ABSCONTROL
SLIP
CRUISE
TRANSMISSION
MODULE(
CONTROL
CONTROL
CONTROL
HYDRAULIC
MODULE
MODULE
MODULE
UNIT
'm
m
m
1
__G404
G100
Exterior
Lights
1995-98
318ti
(2
of
2)
I
(COMBINATION
SWITCH
I
I
PARK
II
I
I
II
P
RK
T
I
I=1G=T1------LIGHT
I
~~
EXCEPT
S
1997,98
3
(1997,96)
-
.1,
_
_
4J,
p~(OTHERS)
LEFT
STOP
HIGH
TRUNK
L
PARK
I
ALT
."
.`-
BRAKE
TAIL
TAR
ASSEMBLY
LIGHT
I
LIGH7
I
ASSEMBLY
LIGHT
LIGHT
LIGHT
r
I
__J
1
.
G404
BR
LIGHT
LIGHT
1
0404
RIGHT
LICENSE
PLATE
LIGHT
0
(1997,98)
RIGHT
3~(OTHERS)
TRUNK
---
-
.
RIGHT
ASSEM
RIGHT
FRONT
BLY
I
VARK
I
LIGHT
I
LIGHT
I
ASSEMBLY
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