1995 BMW 318i Electrical system

BLO
W
ER
RELAY

AUTOMATIC
CLIMATE
CONTROLMODULE

HOTATALL
HOTATALL
HOTATALLHOTATALL
HOTINRUNHOTATALL



HOTATALL
HOTATALLTIMES
_



TIMES



TIMES



TIMES



TIMES



ANDSTART



TIMES



TIMES
r
---



,
IGNITION



I-



-



--



--



-



--



-
,FRONTPOWER



r



--
I
AUXILIARY
I



(SWITCH



-
.BE



USE



FUSE



FUSE



FUSE



FUSE
DISTRIBUTION



FUSEFUSE
I



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za



as



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4I



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I



4B



I
BOX
I
LOCK



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L
J3'%
.
__



A
__
_



0
-_I



L



40
-J

_YEL
GRY

_
ELL,
WHT

G202

Air
Conditioning
&
Heating

1996-97
Except
318ti

23



BR
N



BRN
24
GRN/VELGRN/BLU
25
RED/VEL
26
WHT/VIO



WHT/VIO
20

RED
_SRN



III
YEL

ELECTRICAL
WIRING
DIAGRAMS
ELE-133

I
ACCRUN



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o



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BLK/RED/YEL

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I_
9FN



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100
M



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}
BLU


I
B-CYL

-BRN
M
BLLU
G100

7
BLK/B

(NOT
USED)

(NOTUSED)

G203

DATALINKCONNECTOR

BLU
I
AUXILIARY
FANMOTOR
I
BLK/BLU
(6-CYL)

4



lU



I



I



II



II



I



RED/GRN
6
AU
%ILIARV
FAN
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TRANS-
BLK/8LU

-111
""
1

X1
""
1

MISSION
CONTROLS
SYSTEM
BLK
GRYBLK
GRN

BLU/
BLK
~~
NCA

r
EL/BR
.
NCA

BLKIBLU
5

ORN/BLU
4
RE
D/GRV
g

BLK/RED/VEL
2

BLK/GRN
8
BLKI
R

WATER
VALVE
ASSEMBLY

HIGH
SPEED
RELAY

.2

Mill

0101mmmmimi

GRN
I
SLU
4

GRNIR
I
D6

BLK/BLU
2

NORMAL
SPEEDRELAY

4

PRESSURE
SWITCH
7
~-~

TEMPERATURE
SWITCH

4-CYL8-CYL
4
l
BLK
63g
BLK/BL



36
744
`I
VIO/GR
S9
1~
I
BLK/GRY



11



16
\I
REOIWHT
57
lI
GRV/VIO
62
Il

ENGINE
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MODULE

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2
~~VEHSPFED
I

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OI



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m
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ml



m
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ml



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01



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INSTRUMENT
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I



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I
1)BELOW2IBAR
CLUSTER2)ABOVE
30BAR
3)ASOVE2
.6BAR
4)
BElO
W
1
.8
BAR
S
)ABOVE



6B
AR
LEFTHEAT



LEFT
HEAT



OUTSIDE



EVAPORATOR



6)BFLOABOVE
8
RED
RCULATION



REAR
RECIRCULATION



REGULATIONFLAP



DEFROSTER
FLAP



EXCHANGER



EXCHANGER



TEMPSENSOR



TEMPSENSOR



7)40YLB
OVE9DEGC
C
FLAP
MOTOR



FLAP
MOTOR



MOTOR



MOTOR



TEMFSENSOR



TEMPSENSOR



8)
BCVL
:
A



8D
4CYL
:
ABOVE
8EG
C
87878



6CYL'ABOVE
91DEGC

ELE-134
ELECTRICAL
WIRING
DIAGRAMS

HOTATALLTIMES
r



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I



ISWITCH
I
OFF/
START
I
ACC
RUN
I
LJ
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VENTILATION
ERRELAY



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ION
11
B12
GRN/BBN

Ian
BLUIRED
BRN

FINALSTAGEUNIT

AUTOMATIC
CLIMATE
CONTROLMODULE

7Y
O
2
GRNI



FED/
II



GRNI

6
GRN/BRN(ORFEDIGRN)

M
NCA
1
BRN/=EL

BLOWERMOTOR

I
~
FUSE20
FUSE31
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IE40
I
3OAA
730A



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L`Y
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T
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FLU
2
DRY
3
VEL/RED
6
VEL/BLU
5



BLK/WHT



BLK/GRN
B6BILK



BLK/BRN

HIGH

7
GRY/RED



INTERIOR
(ORBLK/GRY)
58
BLK/WHT/YEL



LIGHTSSYSTFM
CVL
,
4-CYL
9



BLK/GRN



STARTING



GRNIVIO
4
-
6

I

-
10
VIO/GRY



CHARGINGSVSTEM



¢I
BLU/BLK
BRN/VEL



DEFOGGERl
POWERANTENNA
VEL/BRN



SYSTEMS
14
WHT
15
BLU
16
GRY
17
YEL
18
VEL/VIO

N
i

19
BLU/RED
20
GRN/BRN
21
BRN
22
BRN/ORG
23
BRN
24
GRN/VEL
II
25
RED/VEL
26
WHT/VIO

1
RED
2BRN3
YEL

IF
~Y
J
EQUIPPED
PARKVENTILATION
VEL



CIRCUIT

Air
Conditioning
&
Heating

1998
Except
318ti

HOTATALLHOTATALL
HOTINRUNHOTATALLHOTINRUN
HOTATALL



HOTATALL
=M~S
TIMES
-=Tf~R-
TES
6S=ART
TyMES



TIMES
gUXILIARVFUSE
BOX
(DISTRIBUTION

RECIRCULATION



REARRECIRCULATION



REGULATION
FLAP



DEFROSTER
FLAP
FLAPMOTOR
FLA
'MOTOR
MOTOR



MOTOR
101446

AIR
CONDITIONING
COMPRESSOR

Gl00'Il7
-P
R
-~
M
BL}

COMPRESSORCONTROLRELAY
AUXILIARY



B
FANMOTOR



I
LU



'
I
I6-CVL
14-CVL
(6-CVL)
BLK/BLU



I



I



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GR
N/VIO



8
-
G10~
RN
~



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BL



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4
4-CVL

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BLK/



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6



I
GRN/RED
5
BLU
2
~~

m
~~m

AUXILIARYFAN
MOTOR
(4-CYL)

mIU

GRN/VIO
4

RED/GRY
6



I

BLK/RED/VEL
2
6-CYL

BEEN

u
uuu
LEFT
HEAT



SIGH
T
HEAT



OUTSIDE



EVAPORATOREXCHANGEREXCHANGERTEMPSENSORTEMPSENSOR
TEMPSENSOR
TEMPSENSOR

LIVIDit
NCA
~III
}
)
~LEFT
I



lII
VALVE

FIGHT
IjIIVALVE
CA
WATER
VALVE
EL
BR

ASSEMBLY

BLK/BLU

(NOT
USED)
9(

BLKIBLU
2
IJ
NORMALSPGED
RELAY
BLU/
BLK

(6
CYL)
SPEEDRELAY

4-CVL

BLK



"
~
~B=K~
~3fi
{
I



I
BLK/BLU
36
74
I



I
VIO/GRY
69
19,
I
BLKIBRN(OR
BLK/GRY)
11
16`
i



I
REDIWHT
57
i
l



I

-
-
-
--
-
-------
-
--
-
-
1FRONTPOWER
I
T
-
-
~

GRVIVIO
68
4
II
TRANSMIS
FRESH
AIR
FLAP
MOTOR



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SYSTEM
BLKJWHT
2
I



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-
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f
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Q



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.
Q
Q






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~~
--
~~



CLUSTER
~
9
.1w,
II



II



II



II

BLOWER
RELAY

77720

b
GFN/=RN
6
GF
OFF



N/RED
1



,~7
BL~K
2
11
GEN
3



2
BLU
4



3
G~RN/BRN

BLOWERBWITCH

OFF

CLIMATE
OFF

HOTAT



HOTINRUN



HOTINRUN



HOTAT



HOT
AT
HOTATALLTIMEB--



ALLTIMES



OR
START



ORSTART



ALL
TIMES



ALLTIMES

.1
19
VIOIGRY

GRN/YEL

8
RED/YEL

Air
Conditioning
&
Heating

1995
318ti

GRYIRED
INTERIOR
LIGHTS
SYSTEM

ELECTRICAL
WIRING
DIAGRAMS
ELE-135
AIRCONDITIONING
COMPRESSOR

REDIGRN
B
BLU
2
REDIGRN
B

GRNIBLU

BLKIGRY



j
(NOTUBE
D)
D)
HIGH
SPEEO
RELAY

NORMAL
SPEED
RELAY

1)ABOVE99
DEGC



AUXILIARY
2)ABOVE
91



FAN
MOTORDEGC



I
BLK

2
BEN
1

BLK/GRN
2

TEMPERATURE
SWITCH

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



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WITCH



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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-140
ELECTRICAL
WIRING
DIAGRAMS
Airbag
(Supplemental
Restraint
System)

88996

_HO_T
_AT
ALL
TIMES
IGNITION
SWITCH
!START
START
OFF
NCA



1Ru1~T
-
ACC
_(

7
WHT1110
AI,



I

WHT1VI0
20,



22
T%D
~
"
~~
DATA
LINK
XD
B



"
WHT
EL
1
CONNECTOR



VIO
12
VIO



VIO



VIO



POWER
"
-
i
DISTRIBUTION
VIOI
ABF-

15
~~
.
X-14-
1~
-----
I
INS
I
CR
T
IF
.1ENT

NDICTO~
I1



14T=
`9
BLU
/BLK



BLU/BLK
X74

8
RED



RED



'E
RED

17
VEL



YEL



2
YE-

1
11
WHT



WHT



3
WHT

I
9
RED



RED
1
RED

110
YEL



YEL



?,
YEL

LIT
It
I



VIO/WHT



14
I
X16

AWL
7



BLU/BLK



BLU/BLK

8
BLU11
IO
/VEL
3



PASSENGER'S



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GKBF
~~

f7

T



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1

1
BRNBRN



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OY

58E
j
15
WHT/RED



WHT/RED



I
m0
e

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10
YEL/BLK



1



NCA



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1
7
-
N
-
CA



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DRIVER'S



m
i
11
1OE
R
NERATOR
G203
E

TXD
)
9
WWHT/VIO



"

ABBF+
13
BLU/BLK

1
J
BLU/GRV
ABBF-
I
~-

12

XZ83



Xanz
CONTACT
RINGS

WHTIVIO

GKF
12
BLU/VIO/YEL



3

SUPPLEMENTAL
RESTRAINTSVSTEM
CONTROLMODULE

DRIVER'SSEAT
8900D



BELTSWITCH

NC
20
DATALINK
CONNECTOR
BLU/BL

BLUIG
X782

BLU/VIO/VEL

18RN
BRN
"
-#
G203

HOTATALLTIMES
(IGNITION
START



OFFSWITCH
I
I



I
I
RUN
ACC
__I

POWER

V15
IOJ
DISTRIBUTION
XLB
INSTRUMENT
CLUSTER

C

RIGHT
FRONT
IMPACT
SENSOR

DRIVER'S
AIRBAG
GASGENERATOR

PASSENGER'S
AIRBAG
GASGENERATOR

14
~SEATBELT
WARNING
LAMP
XIZICONTROL
INSTRUMENTCLUSTER

LEFT
FRONT
IMPACT
SENSOR
11992-93

Early
Production

1993

Late
Production

ELECTRICAL
WIRING
DIAGRAMS
ELE-141

Airbag
(Supplemental
Restraint
System)

_
HO
_
TA
_
TALL
_
TIMES
I



IGNITION
VIO



VIO



I
START



OFF
!SWITCH
23
__
25
___



I



!
~`



(FRONT



RUNACC
SUPPLEMENTAL



I



FUSE~1FUSEPDYdER
RESTRAINTS



!



F42



[
F43
(DISTRIBUTION



VIOI
SYSTEMCONTROL



7.5A



7
5q



!BOX
(
MODULE



-----
24Y
26Y



VIO!
155
VIO/GRN



INSTRUMENT
R



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I
gIRBAG
CLUSTER
I
INDICATOR/
31E



g



dI'



O
=
\1G3
IRN
03
I



5
;
3



14



X16
BLUIBLK
O
>3
1

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)T/



SLU/BLK

8
BLU/VIO/VEL
3
GKBF
)

SBE
1513
BLUIBLK

WHTfRED

ABBF+
141
~
BLU/GRYORS
LU/BRN
ABBF-
,

ABF-
1
J
VEL/SRN

TXDI)9
WHT/VIO

PASSENGER'S
SEATBELTSWITCH

NCABRN
NCABLU

CONTACT-GS

G203
(2-DOOR)



SOCCEATPANCY
1
N"
BRN
1



"U
G303
(4-DOOR)



3



2



DETECTOR
G404
(318TI)

WHTIFED
m00
(7

G404
~
G203
(
X
318T1)
(31871)8TI)



1
1994-96
PASSENGER'S
AI
RSAG
GAS
GENERATOR

WHT/VIO
20
DATALINK
CONNECTOR
BLU/VIO/YEL
ORBLU/REO/



BLU/VIO/VEL



-----
I
12
WHT



3



2
ORBLUIPEO/W
HT



14
ISEATBELT



I
GKF



-{



i



(
WARNINGLAMP
X17
(CONTROL



I1
BRNSRN



I-



J
INSTRUMENT
G201
G404



CLUSTER
(1994)
(1995-1996)

CA
~~
m01

DRIVER'S
SEATBELTSWITCH
24
BRNIBLK



BRN/BLK
7I



-,CODELECTRONICS
CS



_
-ICONTROLMOOULE
1
995
LATE
PRODUCTIONAND1996

ELE-142
ELECTRICAL
WIRING
DIAGRAMS

89015

GKBF

TXD
ABF
"

ABF-

GKF

ABBF,

ABBF-1)

CS
SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROL
MODULE

B
BRN
31EI~



+
G303

9
WHT/VIO

BRN
LU

Airbag
(Supplemental
Restraint
System)

1997

PASSENGER'S
SEATBELT
SWITCH

WHT/VIO

/BLK



BRNI
~~
I
NCA

15
WHT/RED
S
BE

LIB
VEL



.9



YEL



18



VEL



NCA

20
WHT/BLUORBLK/BLU

21
WHT/YELORBLK/YEL

\/



)



IA
IRIBAGGAS
2



~2



GENERATOR
/
VEL/BRN



BLU



NCA



CA
CONTACT
RINGS

12
BLUIGRN/VEL



3~1
..
.
.



.1
1
BLU/VIO/VEL

DRIVER'S
SEATBELTSWITCH

BRN

22~
DATA
LINK
CONNECTOR

BLU/BRN



BLU/BR

HOT
IN
RUN



VI
O'23
ORSTPRT

1a



2a
vIo
23



_X1S_
_
INSTRUMENT
,
6IF
CLUSTER
INDICATOR
I



VIOIGRN

1
BRNIORG



B
RN
I
ORG
al
"
G2O3

1
BR=
"BRN
/ORG
+
G203

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.
.
BLU
--
NC

.FN



2
J



BRN



I2/



B~R
2
~
NC

BLU/BLK



BLU/BLK
N

4
!SEATBELT



I
WARN,
.
LAMP
X~
(CONTROL



I
I---_
_
INSTRU
T
MEN
CLUSTER

PASSENGER'S
AIRBAGGAS
GENERATOR

_HO_TA_TALLTIMES
I



FI
IGNITION
(START



OFF
(SWITCH
I



I
I
RUNACC
I
L-
---_
-1
2V
IOT

DISTRIUTION
I
FUSE



FUSE
ISTBIOBO%
I
F27



F12
I
SP



7.5A
I

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BLU/BLK



I
w
AWL
!
,5
VIO/GRN



VIOIGRN

VIO/GRN

1
G203
I



3



1
G203

RIGHT
SIDE
AIR
BAG
GASGENERATOR

LEFTSIDE
AIRBAGGASGENERATOR

.RN/
.L.



.RN/BL

VIO/GRN
I



VIOIGRN

DETECTOR



SENSOR



SENSOR
SEAT
D



R
"
S

(EX
.318T1)
3(3



I
-
_
I
BODYELECTRONICS
CONTROLMODULE

SUPPLEMENTAL
RESTRAINT
SYSTEM
CONTROLMODULE

108623

8
LU'8=K
5
V~
10/GRN

8
BLU/RED/WHT



BLU/RED/WHT
3

F

4
VIO/GRN
"
VIO/GRN

(318ti)
G201
~r
BRN/ORG
.
BRN/=
E
RG
3G20~3(318,323,328,
M3)



PASSENGER'S
SEAT
BELT
SWITCH

D
WHT/VIO

Airbag
(Supplemental
Restraint
System)

1998

CONTACTPINGS

2
BLU/GRN/V
EL



BLU/GRNIVEL
3



YEL
2
B~UI=101

(31811)
G201
IN
BR
N
I
ORG"
BRN/OR



~
q
V
G20~
s
3
(318,
323,328,M3)



DRIVER'S
SEAT
BELTSWITCH
BLU/BLK



BLU/8

WH71VI
DATALINK
CONNECTOR

'
BLU/BRN



BLU/BRN

5
WHT/RED

1
BLU



_,



BLU



__



BLU
.RN
/
BRN
'
;/
B'

VEL
._



VEL



.
.
YEL
.
.
NC
//
B
RN



/



BRN



//



BRA)
20
WHTIBLU

,
21
WHT/YEL

34
BRN/BL={I



CONTROL
BODY



MODULE
OO
DYELECTRONICS
E
I
1
EI-/-N
YEL/BRN

2
YELIRED
YELIFED

3
BLU/REDBLU/RED

q/
BLU/BFN
BLU/BRN

DRI
VER'S
SIDE
PYROTECHNICALBELTTENSIONER

PASSENGER'S
SIDE
PYROTECHNICALBELTTENSIONER

ELECTRICAL
WIRING
DIAGRAMS
ELE-143

HOT
IN
RUN



HOT
IN
ACC,
RUNORSTART



ORSTART
r



1FRONTPOWER
FUSE



USE



DISTRIBUTION
BOX
-I52
12

---
~
_
_
-
J
14TXID017



24YX19018
vio

23
l
.
Xlb
INSTRUMENTI
CLUSTER
~



I
AIRBAG
SEATBELT
I
INDICATOR
INDICATOR
I

'x35
.
14y
X1~
BLUII
BLU/VIO/
BLK



YEL

DRIVER'S
AIRBAG
GAS
GENERATOR

PASSENGER'S
AIRBAGGAS
GENERATOR

LEFTSIDE
AIR
BAGGAS
GENERATOR

RIGHT
SIDE
AIR
BAGGAS
GENERATOR

vio/
GRN

Viol
I



viol
I



viol
GRN



GRN



GRN
2
SEAT



I

DRIVER'S



PASSENGER'S
OCCUPANCY



SIDE



SIDE
DETECTOR



IMPACT



IMPACT
3Y



1`('
SENSOR
1Y



3Y
SENSOR

WHTI
RED
I



ORG
I



BLU
I



ORG
I



ORG
I



W
YEL

BRNI
ORG

ILG201G203
(318ti)



(318,323,328,
M3)