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
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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
ELE-208
ELECTRICAL
WIRING
DIAGRAMS
88603
4
(2DOOR)
1
HOTINACCV,PUNANDSTART
HOTINRUNANDSTART
r
-5E---_--__-------------
._____-___--------
FUSE
FRONTPOWER
26
I
DISTRIBUTION
BOX
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I
Lk___--_______-____-_-_________-_-_-_-__---
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12
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17
3181
328.M3
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2
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1
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2,1,
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I
AUTOMATIC
RANGE
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MODULE
MODULE
CONTROLMODULE
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CONTROL
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.
________9~X1074
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CONTROL
(MODULE
!
I
'
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)
5~
2
T
Q
88,{,
7A,
LEFT
HIGH
TRUNK
LEVEL
1
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
(
TRUNK
!
LEFT
LEFT(LIGHT
I
RIGHT
RIGHT
(LIGHT
I
BRAKE
BACK
:ASSEMBLY
I
BRAKE
~
BACK
(ASSEMBLY
I
LIGHT
UP
I!
LIGHT
UP
:
!
LIGHT-
!
LIGH=~
---_--_----
-_-
4
Y
y
II
(2
DOOR)
1
------
(2
DOOR)
¢1
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