1992 BMW 318i Engine management wiring

ELE-82
ELECTRICAL
WIRING
DIAGRAMS

I
AC7IVATEVALVEII
BRNIWHT
I



ACTIVATE
VALVE
I'3



BRN/V
EL

10862
4

SIGNPLINPUTI
1T2



B
AN
ACTIVATE
VALVE
I--
GROUND
I
4B6~GRV/VIO
ENGINO1CATOR
I
~

10
BLK/VIO
DRIVE
AWAY
SIG
II
11
BLKIGRY

AC
TIVATEAIC
ACTIVATE
VALVEI
31



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ACTIVATE
VALVE
I
32~BRTI/GRN
120
BLK
CRANKPOSIRPMI
Y-
CAMSHAFTPOSI
21

I

BATTERYVOLTI126
RED
ECM
RLV
CTRL
1
)21
8RN/WHT
18
BRNIRED
INTKAIRTEMPI
I

I
406
CVL3-4KSI
42
GRNIRED
FU
ELCONSUMPTI
THROTTLE
POST
44



B
RN/VIO

I

A/CCOMPCUT136
8LK/BLU



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8LK/BLU

II

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53
ISCVALVE
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30
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02SENSH7NGI~-
19
VEL
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02
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GROUNDI)~pl

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ENG
ME
CONTROL
MODULE
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FUELINJECTIONVALVES



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DISTBIU710NBOX



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CVL2
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SYSTEM

NORMAL
SPEEDRELAY

Engine
Management

19981
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(1
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IDLESPEED
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EMISSION
RESONANCE
VALVEVALVE
CHANGEOVER
VALVE

I
-

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10862
6

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FUEL
PUMP

DD

CARBON
CANISTER
VALVE

POWER
DISTRIB-
UTION
AIR
PUMP

OATALINKCONNECTOR
14T18T



1
T
15T
17

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10
BRN/VIO
11
YEL
12
BRN/VIO
13
BLK/BLU
14
GRY/WHT
15
SPLICE---__~--`------

FUEL
CHANGEOVER
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TRANSMISSION
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MODULE
(EGS)
MODULE
(ABS/ASC)

ELECTRICAL
WIRING
DIAGRAMS
ELE-83

Engine
Management

19981
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(2
of
2)

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ELE-84
ELECTRICAL
WIRING
DIAGRAMS

UNLOADERRELAY
TERMINAL15

106626

VARIABLECAMSHAFT
CONTROLVALVE1

I
CAMSHAFTCTRL'f21
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ENGCOOLTEMPI
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THRO7
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I
12
CYL41GNCOILI
2
BK/BLU

Engine
Management

19982
.5L
(3231),
2
.8L
(3281),
3
.2L
(M3)
(1
of
2)

FUEL
INJECTION
VALVES

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11



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IGNITION
COILS

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CONTROLMODULE
RELAY



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SECOND
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Engine
Management

19982
.5L
(3231),
2
.8L
(3281),
3
.2L
(M3)
(2
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-85

BRN/GRN
1
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23
WHT/GRV/VEL
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4
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I
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BILK
64
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66
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025HTGGND
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102SSIGGND
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I
ACTIVATEVALVE
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69
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IS
171
DATA
LINK
CONNECTOR

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II



CRANKSHAFT
-



---
-



POSITION/
TRANSMISSION
CONTROL
MODULE
(EGS)



RPMSENSOR

2



GRVIVIO
B2
GRN/BLU
B1
(ACTIVATE
VALVE
I
SIG
EXH5T
FLAP
RED/WHT
84
(
BATTERYWHT/VEL

CAN
LOW
YEL
86
I
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REDIWHT
87
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HIE
44
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OXYGENOXYGEN
OXYGEN
OXYGEN
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SENSORII



SENSOR
I



BENSORII
(-AN-)
(328ANOM3)

ENDNECONTROLMODULE
(ONE)

WHT/REDIYEL
B
r
WHT/GRY
25
i



I
WHT/GRN
4
I



1
WHT/GRV/VEL
15
I



I
WHT/GRY/VEL
26



I
SLIP
CONTROL
MODULE
(ABS/ASC)

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