Engine wiring BMW 325i 1993 E36 Workshop Manual

83364

L
J



23
GRN/VIO



-



BLK/WHT
8
24
BRN/ORG



BRNISLK
9
A22



,
25



I



-



BLK/RED



10
26
SPEEDOMETER



B18
CONNA
-
ENGINE
CONTROLS
SYSTEM
(1997
ONLY)
1
WHT/RED
I



'
,,II
I
WHT/GRN
G
REDUI
II



11
VIOIYEL
B4



/
2



BLK/WHT
123
BRN



1
1
11111111



BRN/YEL
13
B77



;
4



GRN/BLU



~ITI
II



IIIIII



BRN/VIO



14

TACHOMETER



818



6
BLU



STARTING/
7



CHARGINGSYSTEM



BRN/YEL
15
A20



6
YEL/8RN
HEADLIGHTSSVSTEM
9
BLK/REO
10
11
GRY/BLK/YEL
ANTI-LOCK
BRAKESSYSTEM
21



12
BLU/BRN
ANTI-LOCK
BRAKESSYSTEM
(1997ONLY)
13
GRN/RED
Cl



14
BLU/VIO/YEL



BLU/VIO/YEL
2LI
\
.I
i
B
L
N



.
II
~
15
WHT/GRN
BRN
16



VIO/YEL



-
-
I
DRIVER'S
SEAT
BELT
SWITCH



j
17
BRNIYEL



.BRN



G203
18
BRN/VIO



GRY/BLK/YEL



BRN
19



BRNIGRN



1997



ANTI-LOCK



W/pqC~
W



j_
p20220
pqy



ONLY
BRAKES
pqy/BLKIVEL
21



(OR
BRN)



SYSTEM



(
r



OR
22
BLU/BLK
23
BRN/GRV/YEL



B
RN/GRY/YEL
.
16
2425



BRN/REO
17
823
.1
28
CONN.



BRN
12
I
I



III



III



_
1
BRN/YEL
BLU/
I



BRN
I



BRN
2



BL
[
BRN/B



I



I
I
IGNITION
3
LK
4



SRN
/RED



,
,SWITCH
G202
5
YEL/WHT

INSTRUMENT
CLUSTER

Instrument
Panel

1995-97
318ti
(1
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-169

HOTATALLTIMES



HOTINRUNANDSTART
HOTATALLTIMES
-~
IGNITION



RRONTPOWER
I



(
SWITCH



r



G27
E



q31
E



I
DISTRIBUTION
BOX
LOCK



START



LOCK



START
i



L



5A
-----



SA_
J
I
ACCRUNACC
RUN
I



14



2
GN/)



REO/
10
EXCEPT
GRN



1997



VIO



V



Y
EL

RED/WHT
1
(ORWHT)
2
GRV/RED
3
BLU/BRN
4
SLUIGRN
5
GAY/BAN
B
EXCEPT
7
1997
8GRY
RED/YEL
ENGINE
CONTROLS
SYSTEM



RED/YEL
1997ONLY
-
"
I



RED/YEL
1011
WHT/YEL



WHTIVEL
4
12
WHT/VIO



WHT/VIO
5
1314
BLU/BLK
SUPPLEMENTAIL
RESTRAINTSSYSTEM
15
V10
ECONTROLS
NGINECOTROLSSYSTEM
17
8RN/GRN
18
BAN/VI0
19
YEL



YEL
B
20
BLK
21
WHT/BLK



ENGINECONTROLSSYSTEM
ENGINECONTROLSSYSTEM
22
RED/YEL



GRN/BLU
7

7
EXCEPT
8
1997
9
10I



V



RN/
I



/



I
B
RNGR



NI
m
I



BRN/GRN
11



(OR
B(N/G
N)81
vio
4



,
12



O
CONNC



I
3I



OIL



PARK



IBRAKEFLUID
LEVEL
SWITCH
/j



/~
PRESSURE



BRAKE



LEVELWITCH
2
SWITCH



V~
SWITCH
7
1)NORMAL
2)
0
.2--BAR

j
G202

HEADLIGHTS
SYSTEM
INTERIORLIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
TRANSMISSION
SYSTEM
EXTERIOR
LIGHTS
SYSTEM

HEADLIGHTS
SYSTEM

.1L



j
GROUND



GROUND

NCAI



NCAI
I
BRN

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

N
A
IDBS
H
FUEL
B12



CONSUMPTIONMETER

ASC
.T
IND

10458
0

SRS
IND

INSTRUMENT
CLUSTER

I



OF
.,1



WHT



GRN



VIO/
r
I
BLU
YEL
2
GRHEADLIGHTSSYSTEM
INTERIOR
LIGHTS
SYSTEM
SS
BLUIBRN
EXTERIORLIGHTSSYSTEM
~I
9



BLU/GRN



,
EXTERIORLIGHTS
SYSTEM

,SUPPLEMENTAL
15



RESTRAINTS
SYSTEM
16
GRV
~~
ENGINE
CONTROLS
SVSTEM
17
BRN/GRN
18
BRN/VIO
19
YEL
20
BILK
ENGINE
CONTROLS
SYSTEM
21
12
BLU/BRN
~--*
gNTI-LOCK
BRAKESSYSTEM
13
GRNIRED
ENGINECONTROLS
SYSTEM
10



BLU/VIO/V
EL
15~HT/GRN

17
1



B
RNI
El
}
~WEL
18~
BN/VIO
19
FNIGR
N2021



GRV/BLK/YEL
~
ANTI-LOCKBRAKES
22
BLU/BLK



SYSTEM

Instrument
Panel
1998
318ti
(1
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-171

HOTAT



HOTINRUN
HOTINRUN
HOTINACC,
ALLTIMES



ANDSTARTANDSTART
RUNANDSTART
r
---



,
IGNITION



r



FUSE



USE



USE
1
FRONTPOWER
SWITCH



F27



F23



F4B



DISTRIBUTION
BOX
~
I
LOCK/



START
I



L



=A
----



5=
----



15=
J
I
ACC
*
8U"



By



212Y
L------



j



ORN/



GFN/
I



VI01
I
1



VIO



BLU
I



YEL'
DATA
LINK
CONNECTOR
7
Y
"=W=
TIGR
_J

BV
O
/I



B
YEL
I



VIOBYEL
I



I



B
V10

I
`
s
jSWITCH
I
L
1
,

BRNI



GRNI

BRN



BRN

BRN/YEL
BRNIBLK
BRN/RED

ENGINE



DRIVER'S



BRAKEFLUID
COOLANT
1~
I
SEAT
I



LEVELSWITCH
TEMPERATURE
I



(BELT

78
10

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

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