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
.
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
