1993 BMW M3 Workshop Manual

ELE-126
ELECTRICAL
WIRING
DIAGRAMS

93371

BRAKE
LIGHT
SWITCH

VIOIYE,

HOTAT



HOT
IN
RUN



HOT
IN
RUN



HOTAT



HOT
IN
RUN
I
TIMES



ANDSTART



ANDSTART



ALLTIMES



ANDSTART
FUSE



FUSE



FUSE



FUSE



FUSE



FUSE
FRONT
POWER
F46



2



F2



Fl
.



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L
1=A---------_----
3=A
-------
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SA
7
---
30A
-----------
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DISTRIBUTIONBOX

Y
I
EL~



GRNI



OBNU
GRNIVEL~
R
BLU~



G
VIO

VOLT
SUPPLY
.TERMINALIS



j
9



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i19



GRNIBLU/V
EL
OPERATING
VOLTAGE
~)
99



PEOIGPNIVEL

ABSRELAYCTRLIi1
BRNIBLK

RTFNTINLETVLVCTRL
i2
BRNIWHT/YEL

LFINLETVLVCTRL
22
BRNIGRN

B
LFOUTLETVLVCTRL
25
RN/RED

BRNIGRN/YEL
RF
OUTLETVLV
CTRL
REARAXLE
OUTLETVLV



39
}
BRNIWHT
REAR
AXLE
INLETVLVCTRLli2



BRNIBLU

VOLT
"ON,
HYDRAULICS
I~

FLSPDSENSGND

FL
SPEED
SENS
SIGNAL

FRSPDSENSGND

FRSPEEDSENSSIGNAL
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GROUNDGROUNDGROUND

SLIP
CONTROL
MODULE
(ABS)

16
BRN

7
BRN/RED

5
YEL

3B
BRN
17
BRN
26BRrv41
BFN

RED/BRNIYEL

RLSlEID61NSSIINIL
14BLU
PLSPDSENBGND
j
1
~
BRN
PRSPEEDSENSSIGNAL
%SS



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RRSPDSENSGND
j14
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l26
WHT/VIO

ABS

1995-96
318ti
w/o
Traction
Control

G203

61



8
BPN/I
PE
./8



GRN/
BLK



YEL



WIG

6262
~Ip

REDIGRN/YEL
7

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4

RED/BLU/YEL
3

BRNIWHT/YEL
2

BRN/GRN

FN/FE
.
S

BRNIGRN/YEL
9

BRN/WHT
10
FN/BL
.
11

RED/BRN/YEL
12

L
I



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II
LEFTFRONT
~
.}
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.
.
NCA

BRN
NCA
BRN
;.
NCA

Lai

~~~
--
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(



FIGHT
FRONT
_~



jll
INLETVALVE

D11
LEFTFRONT
OUTLETVALVE

D11
RIGHTFRONTOUTLETVALVE

II
II
REARAXLE
OUTLETVALVE

REARAXLE
INLETVALVE

II
OVER
VOLTAGE
PROTECTION

ABSHYDRAULIC
UNIT

6R
N
NCA



LEFT
NCA



FRONT
ABS
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BRN
N/E
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l
RIGHT
~
FRONTASS
~
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LY



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BL
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YELIBLK
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RIGHT
REAR
WHTI

~

ABS
VIO



SPEED
20



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N
OA



SENSOR

DATA
LINK
CONNECTOR



'

ASS
CONTROL
2
MODULE
HYDRAULIC
UNIT

93-

ELECTRICAL
WIRING
DIAGRAMS
ELE-127

ABS/AST

HOTAT
HOTINACCY,
HOTINRUN
HOTAT
HOTINRUN
ALLTIMES



RUN
AND
START



ANDSTART



ALLTIMES



ANDSTART
FUSE



IF



FUSE



FUSE



FUSE
,
POW
L
-
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---
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-
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---
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20

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RED/
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21
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18
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20
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6
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b
G202

LEFTFRONTABS
LEFTREARASS
RIGHTFRONTABS
RIGHTREARABSSPEEDSENSORSPEEDSENSORSPEEDSENSORSPEEDSENSOR

1997w/

Traction
Control

ELE-128
ELECTRICAL
WIRING
DIAGRAMS

108620

ASS
CONTROL
MODULE/
HYDRAULIC
UNIT

~4
GRN/BLU/YEL
7
9
RED/GRN
116
GRY/BLK/YEL
)
18
BLU
IRE1=
25
RE0/BLU
11
BR
22
BRN
66
BFN
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BLU

17
WHT/VIO

G
RN/
BLU/
YEL

WHT/VIO
-
26
___



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119
YELX20
BRN
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7
X22
YEL/BLK
23
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8B
RN
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BRN

G202'A_'G203
(31811)
(318,323,
328,M3)

ABS/AST

1998w/
Traction
Control

HOTINRUN



.
.TAT



HOT
IN
RUN



HOTINACCY,



HOTATANDSTART



ALLTIMES



AND
START



SUNAND
START



ALLTIMES
--------
-----------
--
FRONT
POWER
USE



L
USE



FUSE



I
FUSE



I
FUSE



IDISTRIBUTIONBOX
F38



12
30A



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---



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,
16
1



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BRAKE
(
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ASS
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1,
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01
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l

G202
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t
G203
(31811)
(318,323,
328,M3)

HOTAT



HOTAT



HOTAT



HOT
IN
RUN



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HOTAT
I



12



BLK/WHT



-
BLK/WHT



ALLTIMES



ALL
TIMES



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ALL
TIMES



RUNOR
START



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I



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FEAR
DEF06
1



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5~YEL/VIOO

INTEGRATED
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CONTROL
MODULE

8848
1

A
STARTERSIGNAL
I
STARTINGSYS
GENERATORSIGNALI
2
CHARGINGSYS

BATTERY
;15
FEWYEL
GROUNOI
16BFNN
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17
BRECM(
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L
O/GRY

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21
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22
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BRN
l----------Ja

Air
Conditioning
&
Heating

1992
(1
of
2)

CONTROLPANEL

I
VE=1=LESPEED
I
~
--
------
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FUSEFUSEFUSE
19



31



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39



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BA



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30A
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22
¢r
nn

ELECTRICAL
WIRING
DIAGRAMS
ELE-129

WATER
VALVE
BE
IFRONT
ROWER



,
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VIII



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DISTRIBUTION
(
BOX

-
.

MIX
ACTUATOR
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24
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11
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12
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G202
T

INTERIORLIGHTS
SYSTEM

ELE-130
ELECTRICAL
WIRING
DIAGRAMS
HOT
AT
ALL
TIMES
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BLOWER
r
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6



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O
GRN
B
-/GR
.

BLK/RED/YEL

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9
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10
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11
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12
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13
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M
YE
E
LI
R
BLN
1S
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18
GRNIBLU

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18
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8848
2

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INO



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Air
Conditioning
&
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1992
(2of2)

:
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MOTOR



TEMPERATURESENSOR
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INTEGRATED
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BRN
/
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1

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VEL/RED
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PI
14THEATEXCHANGER
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BRNIORG
2

BLU
1

OUTSIDE
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HOTAT
HOTAT
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HOTATHOTINACCY
HOT-
HOTAT
ALLTIMES



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TIMES



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INTEGRATED
CLIMATE
REGULATION
CONTROL
MODULE

IN

a

Air
Conditioning
&
Heating

1993-95
Except
318ti
(1
of
2)

CONTROLPANEL

ELECTRICAL
WIRING
DIAGRAMS
ELE-131

EXCEPT
119953181
19953181
BLKI
Nil



I
WHTIYEL

WATER
VALVE
ASSEMBLY

ELK/
I
RED
15,I



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,
VARIABLE
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CONTROLMODULE

G203INTERIORLIGHTS
SYSTEM

ELE-132
ELECTRICAL
WIRING
DIAGRAMS

2
REDIGRN

3
BLKIGRY
4
BLKIBLU

5
GRY/BLK
B
SRN/ORG

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.
BRNIYEL

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REDIGRN

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FAN
MOTOR

7449
4

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RELAY

Air
Conditioning
&
Heating

1993-95
Except
318ti
(2
of
2)

J
.
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SWITCH
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LIMITER

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SENSOR
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RN
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6

REDIGRN
B

BLK/WHT/VEL
4

PARK
HEATING/
VENTILATION
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BOX

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1994-95

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3

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I

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TEMPERATURESENSOR

BLO
W
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RELAY

AUTOMATIC
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CONTROLMODULE

HOTATALL
HOTATALL
HOTATALLHOTATALL
HOTINRUNHOTATALL



HOTATALL
HOTATALLTIMES
_



TIMES



TIMES



TIMES



TIMES



ANDSTART



TIMES



TIMES
r
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IGNITION



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AUXILIARY
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Air
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&
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1996-97
Except
318ti

23



BR
N



BRN
24
GRN/VELGRN/BLU
25
RED/VEL
26
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WHT/VIO
20

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BLKIBLU
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WATER
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PRESSURE
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INSTRUMENT
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~I
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