1994 BMW 325i relay diagram

ELE-136
ELECTRICAL
WIRING
DIAGRAMS

BLOWER
RELAY

BLOWERMOTOR

87839

BLOWER
RESISTORS

8
GRN

)I



FN



"
BRNN
al'G202

BB
GL
N/SRN

2
GR
./BEN

HOTAT
HOTINRUNHOTINRUNHOTATHOTATH-
-
OTATALLTIMES__



ALL-TIES



_0_1START
_



OR
7
START
_



ALLTIMES__
AL_LTIMES
_
r



-



'I
IGNITION
r



FUSE



y
I
USE


77--
FUSE



FUSE



FUSE
,FRONTPOWER
I



I
SWITCH



(
7



DISTRIOUTION
START
I



1



30A



'
.
5A



---



9A



--



19
6A



-



30=-
'BOX
OFF



I
I



ACC
"



RUN



I
L--_---YkJ
GRNT

M



c
GRNIBRN



I

U24
--
((
RE



0



BRN



a
I
G201

Air
Conditioning
&
Heating

1996
318ti

l

AIR
CONDITIONING
COMPRESSOR

I
BLK
/C
RED/WHT
57
\I



I
BLK/
GRY68
I
BLK/GRY
85
I



I
VIO/GRY
89
iI



I
"
BLK/6LU
36



I
II
I
ENGINE
CONTROL
MODULE

87847

BLOWER
RELAY

6
GRN/BRN

.1
)2
GRNIBRN

B
CONTROL
SWITCH
GRY/RED

4
BRN



"BRN
+G202

RECIRC

RRDEFOG

INTEGRATEDHEATINGANDCLIMATECONTROL
MODULE

HOTAT



HOTINRUN



HOT
IN
RUN



HOTAT



HOT
AT
HOTATALLTIMES_



ALLTIMES



OR
START
_
__



_



ORSTART



ALLTIMES



ALLTIMES
r



71GNIT'ON



r



_
FU
_
SE



FUSE



FUSE



FUSE



FUSE



-
FRONT
POWER
I



S
WITCH



l
Box
I



I



I
20



23



18



39



41
BOXOFF



START



L
--_-
--5A-__
1
.5
=_--_
3
-_J
I



II



ACC
"



RUN



I

RED/YEL

EVAPORATOR
TEMPERATURE
SENSOR

Air
Conditioning
&
Heating

1997
318ti

BR=
'I
G201

,10
GRY/YEL

1
BRN

2
BRN
CLIMATE
CONTROL
S
WITCH
ILLUMINATION

ELECTRICAL
WIRING
DIAGRAMS
ELE-137

GRY/RED

DEFOGGER
SYSTEM

SOLID
S7A7E

WATER
FRESHAIR
TEMPERATURE
VALVE
COMPRESSORCONTROL
RECIRCULATIONMOTOR
WHEELSWITCH



RELAY



COMPRESSOR

BLU/BLK

BLKIGR

AIRCONDITIONING

BLKIBLU

_BLU
BRN

NORMALSPEEDRELAY

HIGH
SPEEDRELAY

1IABOVE88
DEGC



AUXILIARY
2)ABOVE80



FAN
MOTOR
DEG
C
BLK/GRN
3

+
.=N

1
L
----
'
+100



ABOVE
BLK
-
GRY


24



18BAR

BELOW
21
BAR

TEMPERATURE
SWITC

BELOW
15
BAR
ABOVE
2
.6
BAR
BELOW
ABOVE
1
.5
30BAR
BAR
PRESSURE
S
W
ITCH

BLK/
REDI
II
BB-K/
-
GRN
GRY
1



I
BlK/G
RV



85



I



I
VIO/G
RV



69



I



I
"
-LK/BLU
36,
I



I
L__I
ENGINE
CONTROL
MODULE

TRANSMISSION
CONTROL
MODULE

ELE-138
ELECTRICAL
WIRING
DIAGRAMS

BLOWER
RELAY

O

4
BI=
"-P-
"
-
+
G202

6G
.W
.R
.I
22
GRNIBR~

4
Gr
RNIBRN
B



G
RNIRED
1



7
BL
~
11
DR
.8
22
BLU
2

1
S
G
}
RNIGRV

BLOWERSWITCH

101298

N

BLO
WER
RESISTORS

1
NCA
ii
GRN/GRV

INTEGRATED
HEATING
&CLIMATE
CONTROLMODULE

HOTAT
HOTINRUNHOTINRUNHOTAT



HOTAT
HOTATALLTIMES
ALLTIMES
&START
__
____



_&START
ALLTIMES



ALLTIMES
r



_
_
_
---



,
IGNITION
I
FUSE



FUSE



FUSE



FUS~
FRONT
POWER



r
PUSS
-(AUXILIARY
I



(SWITCH
I



DISTRIBUTION



FUSEBOX
20



23



16



39
(
BOX



I
48
I
OFf
~



START
i



=0=
--
8=
----



SA----~7
.6A-I



L
~0=
-
J

I
ACC
"
RUN
I
m
I

RROElGG
1
BRN

INKS
CONTROL
SWITCH
1
GRV/RED

2
BRN
CLIMATE
CONTROL
SWITCH
ILLUMINATION
I



BRN
,
1
GRN/RED
I
2



B2



RN
3
VIO/GRN

,5
BLU/BLK
DRY

Air
Conditioning
&
Heating

1998
318ti

t7
>I



ml
¢>

EVAPORATOR
TEMPERATURE
SENSOR



FRESHAIR
RECIRCULATIONMOTOR
TEMPERATUREWHEELSWITCH

mI

G10D

WATER
VALVE
.CA]
COMPRESSRCONTROL
RELAY



j

BLK/GRY

BLKIBLU
211
NCA

NORMAL
SPEEDRELAY

HIGH
SPEEDRELAV

1)ABOVE88
AUXILIARY
DEGC
FAN
MOTOR
2)
ABOVE
6o
DEGC
BLKIGRN
3

RN
2
BLK/GRV
1~

DOUBLE
TEMPERATURE
SWITCH

I
BLKIG
RED/I
-
WNT
57
I



I
BLKI
GR~V~~I
I
BLK/



BLKIIGR=11
~I



I
VIO/GRV
fig
I



I
"



BLKIBLU
GB
I
I



I
L_
_I
ENGINECONTROL
No
DULE(DME)

OOm¢m
I
BLKIBLU
IS
%
l
.
6
~S
6
/S
2
.h



~
CONDITIONING
COMPRESSOR--
TRANSMISSION
.



CONTROLMODULE
(EGS)

UNCOUPLING
DIODE

18
BLK/WHT/YEL

I



119
BLU/RED

I



~



120
GRNJBRN

121
BRN

I



123BRN

I



I}

AUTOMATIC
CLIMATE
CONTROLMODULE

HOTATALL_TI_ME_S



HOTATALLT_IM_ES
r-
-



-(
IGNITION



I
-



FRONT
POWER
(
SWITCH



I



~



DISTRIBUTION
BOX
'+FUSE20
I
30A
I
(OFF
START(

I
ACCRUN
I
L---
-_J

GRN1

7

GRNT

1
B

2



G
}
RNIBRN

®



33
BL

GRN/YEL

BRN

I
-IL
G201

ELECTRICAL
WIRING
DIAGRAMS
ELE-139

Park
Ventilation

1998

RED/GRN
(OR
I
GRN/BRN)

---I
20Y
X10016

I

BRN

1

BRN
I



BLOWER
RELAY

-9-
G202

RED/GRN
2

GRN
6

BRN
I



II



RED/GRN
8
,

FINALSTAGE
UNIT

1



"



BLK/WHT/YEL
4

BRN(

1



PARKVENTILATION
-



RELAY
GRN/
G201
NCA
,1
YEL

101447

BLK/WHT/YEL
14
r
BRN/



(VENT
I
NCA



1
YEL



L--
-
J
ON-BOARD
COMPUTER
BLOWER
MOTOR

ELE-144
ELECTRICAL
WIRING
DIAGRAMS

8900
2

F7
CONTROL
MODULE
tALPINE)

LED

fl

LOW-NOISE
MICROPHONE

CA

ANTENNA

NCA



51
R
ED(GRV
I
V
EL
I
VIO



3
~2
VIO/WHT
BRN



533
BRN/ORG
(



NCA



NCA
(<
BRNBRNIGR

BLK



"
NCA



NCA
5E
BRNIBLU

~
NCA~
NCA
,
36
BRN/BLK
RED



I
"'
I
'
I7
BIKIB
NCA



e



BLUI}



GRN/
EL
LU/YEL



WHT
/RE
LU/GRN



DIYEL
0
BLU/RED
11
BRNIW
T



"
B=N
N
CA



X13025'
VVVV=O
BB=K
NN=
A
NCA

ELK

VIO
..
VIO

BRN/WHT

Anti-Theft

1992-93
3181
&
3251

Alpine
System

HOTATALLTIMES
HOTINACCV
.RUNANDSTART

I



FUSE



--------
-



FRONT
POWER
RU



FU
DISTRIBUTION
BO%

16
X14415



26
X10018
REDIGRYIYEL
I



VIO/WHT
I

RED/GRY/YEL/



VIO/WHT

TRUNK
LIGHT
SWITCH

T
TEPIOR
LIGHTS
S
YS

BRN/BLK

G203

LK/GRN~I
--
I

"
-ar



I
I



I__
BRNIGRY/V
EL



4



I



I
LFDROPEN
I
BRN/BLUIYEL
2
~
IRFDROPEN
I

BRN/BLK/



I



BRN/GRVIY
EL2



2
RIGHT
REARDOOR
CONTACT

BRN/GRY/YEL
23
I
--_
LFDROPEN
Ell
I

WHTIREDIYEL
22
4
I
ANTI-THEFT
BLUIPED/YEL



5



1
ANTI-THEFT

BRN/OR01



BRN
/



BR
NT

1



B
oil
NB
:
:I
G
I

SW
VER'S
DDOT
OH
AN
.

BRNI



IRIJ



""
I
lol
l
_-



111
G203



G310



G312



.203

BRN/REDIYEL
B
II



I
~"
~~ILFDPHNDL
I

BPNIREDIYEL
CENTRAL
2



LOCKING
MODULE
DRIVER'S
DOORHANDLE
SWITCH
(WITH
COLOIWETPACKAGE)
1
BRN

BRN'
1
G203

BLKIBLU

BRN/BL2K

f'

/



BRN/BLU/YE
.
L1



BLK/BL
2
1
HORN
RELAY

~ONTACT
R
~SWITCH
MBR'S
(ALPINE)
C



INE)

INSTRUMENTCLUSTER

CRASH
CONTROL
MODULE

X13
412
I
BRN/BLK



2
7
I
X134
1
I
REAR
DROPEN
I

ON-BOARD
COMPUTER

8900
3

ANTI-THEFT
CONTROL
MODULE
(ALPINE)

LOW-NOISE
MICROPHONE

ANTENNA

_VIO
_
BILK
_NCA
NCA

Anti-Theft

1992-93
318is
&
325is

Alpine
System

HOTA_TA_LLTIMES
_
_
_
_HOTINACCV,RUNAN_DSTART
FUSE



FUSE



1FRONT
POWERWER
DISTRIBUTION
I



FS



F43



I
BOXL
-S-----------
5A___J
Is
I
X
IOOIS



2s
I
xj
oD+B
RED/GRV/VEL



VIO/WHT

I



I
"



BRN/GRV/VEL
23
I



I
LFDROPEN
-I
xLZ
I
____
RED/GRY/VEL
I



VIO/WHT
I



INSTRUMENT
CLUSTER

NCA



I
RED/GRV/VEL



I
VIO



~2
VIO/WHT
S
BRN



~3
BRN/ORG



SPUN
+
3203
~-~



I'



I_
GA
1



INCA



BPN/GRV/VEL



SRN/GRV/YEL



6
IL
-
FO
-
RO
-
PE
_
N
I
BLK/
f



II
;HT
.
NCA



NCA



1
5



BRN/BLU/YEL



.
B
R
N/BLUIV
EL



2
(,I
RFDROPEN
NCA



NCA
B
(NOTUSED)



BRN/BLU/VEL



I
I
-



7,
BLK/BLU



BRN/GRV/VEL
7
I
NCA



S
BLU/GRN/VEL



II
BLU/VEL



9
WHTIRED/VEL



WHT/RED/YEL
24
I
I
ANTI-TH
BLUIGRN



IO
BLU/RED/YEL



EFT
BLU/RED/VEL
25
I
BLU



II
BRN/WHT



.



BRN/WHT



IANTI-THEFT
INTERIOR
NCA



5
72
BRN/RED/VEL



"



LIGHTS
SYS



BRN/RED/YEL



S
x
I3D25



I



X13012



ILFDR
HNDL

BLK/BLU

2

BRNIBRNI

11
3203G203

ELECTRICAL
WIRING
DIAGRAMSELE-145

BRN/WHT

TRUNK
LIGHT
SWITCH

I
IBOARD
I
IOMPUTER
I
(HORN
RELAY

ANTI-THEFT
HORN
(ALPINE)

BRNIBLUIYELI
2
PASSENGER'S
WINDOW
RETRACTION
DOOR
HANDLE
CONTACT

BRN/RED/VzLI



BRN/BLUIY2LI



BRN/GRV/VELI
BRN
BL
BLK



DRIVER'S



PASSENGER'S



DRIVER'SITCH
HANDLE



SWROH
MB



SWITCH
MB
(WITH
COLD/WET



~'
VIO
~



VIO



BRINt
PACKAGE)



BR
I
Nt



BR
I
M

BRN/RLU/YEL
2
.

BLK/GRN/YEL



2
il



I

BPN/GRV/YEL
ORIVER'S
WINDOW
DETRACTION
DOOR
HANDLE
CONTACT
CRASH
CONTROL
MODULE

CENTRAL
LOCKING
MODULE

BPN/BLU/
EL..
L
(
I



----



I

PASSENGER'SSIDE
POWER
WINDOW
MODULE

DRIVER'SSIDE
POWERWINDOW
MODULE

2
BLK/BLU

4
WHT/GRN

8
FED/RY/YEL
HORNRELAY

l
1
REDIGRY/YEL
2
VIOIWHT

11
VICIGRN/YEL
X10244
ANTI-THEFTCONTROL
MODULE

8341
4
6
RED/GRY/YEL

BRN/GRY/YEL
BRN/BLUIYEL
25N/WT
BLK/BLU
_

BLK/
BLU
BRN

ELECTRICAL
WIRING
DIAGRAMS
ELE-147

Anti-Theft

1994
Late
Production

Alpine
System

HOTATALLTIMES



HOT
IN
ACCY
.
RUNAND
START
r
-
~



-,
AUXILIARY
FUSE
BOX



r
~



-1
FRONT
POWER
L



E
J



L



F43
E
J
DISTRIBUTION
BOX
ISA



5A



I

REDIGRY/
I
VIO/
YEL



WHT

REDIGRY/I



VIO/
YEL



WHT

G312
G-

(4
DOOR)
G203
(2
DOOR)

BRN
/



BRN
I



BRN
/



BRN
BRN

SRNIGRY/
EL
22~
BRNIBLU/EL



3
I



IBRNI_BRNI_



W~
I



I
X13254
I



I
I



I
WHTT/SRN
22
i
I
I
VTOIGRNI
-



YI



I
X1D
1B2
L
--
I
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)

VIOIGRN/
EL



2
~I
i
ON-BOARD
COMPUTER
BRN
/GYELI
BRN/
VEL~



WHTI



WHTI
VIO/G
YELI
VIO/G
YELI

ANT
1-J
,
[7]
DRIVERS
[7]

PASSENGERS

LEFT



///111/
...
RIGHT
JJ11/
~~
..
RADIO



..
.+1+11/i
..
ENGINE
FT



DOOR



DOOR



REAR



REAR



MICRO



HOOD
HORN



SWITCH



a
SWITCH



CONTACT
~
CONTACT



SWITCH
't
DOOR



SWITCHTHE

ELE-148
ELECTRICAL
WIRING
DIAGRAMS

HORN
RELAY

83388

I



Z
BL_

44



W
H~

8
RED/GRY/YEL

6
RED/GRY/YE

Anti-Theft

1995-97
Except
318ti

Alpine
System

HOT
AT
ALL
TIMES



HOT
IN
ACCY,
RUNAND
START
r



-1
AUXILIARYFUSEBOX



r



-,
FRONTPOWER
I



FUSE



I



I



.69
E



I
DISTRIBUTION
BOX
I
1-
I



I
SA
L



_
.
J
PEO/GPY/
YEL

REO/G
YELI



WH7I

I



SWITCH
DHANDLE

BLK/
BLU
BRN
I



BRN

BRN/WHT

TRUNK
LIGHT
SWITCH

4
BRN/GRY/YEL
~~ll
6
BRN/BLU/YEL
-

71~
l!fi



BRN/WHT

!~
7
BLK/BLU
(
BLU/GRN/YEL
9
WHT/RED/YEL
10
BLUIPED/YEL
11
BRN/WHT
12
BRN/REDIYEL
X
1+02s
~
(
1



VIO/GRN/YEL

LOW-NOISE



A,



'k
MICROPHONE



ANTI-



DRIVERS



PASSENGERS
LEFT



RIGHT



RADIO



ENGINE
THEFT
DOOR



DOOR



REAR



REAR



MICROSWITCH



HOODHORN



JAMB



JAMB



DOOR



DOOR



SWITCHSWITCHSWITCH



CONTACT
CONTACT

SRN
I



BRN

(4
DOOR)
G203
(2
DOOR)

BRN
I



SPIN

BRNI



SPIN
I

11
G200



G200

BLU/REDIYEL

1
G200

BLUIGRN/YEL



2
,I



I

---
I
CRASH
CONTROL
MODULE

i
--
1
SLUIREDIYE
!
I
WHT/RED/YEL
17



I
X132B
3
I



1

BRNIRED/YEL
1
.BRN/GRY/YEL
2
BRN/BLU/YEL
3
BRN/WHT
6

WHT/GRN
7
VIOIGRN/YEL
17

VIO/GRN/YEL
2




I
X
.14192
L
--I
BODYELECTRONICS
CONTROL
MODULE
(2KE
IV)

,I
L
--I
ON-BOAFOCOMPUTER