1995 BMW M3 Throttle Position Sensor

300-4



SUSPENSION,
STEERING
AND
BRAKES-GENERAL

Three-channel
ABS
ís
used
on
al[
E36
cars
equipped
with



Al¡
Season
Traction
(AST)
standard
ABS
.
Each
front
wheelhas
a
separate
solenoid

valve
to
modulate
hydraulic
pressure
to
that
brake
caliper
.



The
traction
control
system
works
in
conjunction
with
ABS
The
rear
wheels
are
modulated
asa
pair,
controlled
by
a
sin-



and
the
engine
management
system
to
enhance
vehicle
con
gle
solenoid
valve
.



trol
.
The
main
function
of
the
AST
system
is
to
maintain
the
rolling

contact
between
the
tires
and
the
road
surface
under
al¡
driving
E36
cars
equipped
with
ABS/AST
utilize
a
four
channel
sys-



conditions
.
This
is
achieved
through
exact
application
and
tem,
which
functionsexactly
as
the
three
channelsystem



management
of
braking
and
drivetrain
forces
.
above,except
that
the
rear
wheels
are
modulated
individually
.

IDLE
SPEED
CONTROL
VALVE

HROTTLE
PLATE

6
.

Í
III

i



ADS
ACTU
AT
OR

THROTTLE
PLATE
POSITION
SENSOR

DME

Fig
.
6
.
All
Season
Traction
(AS)
works
withother
drivetrain
systems
to
enhance
vehicle
control
.

INTEGRATED
SYSTEMS

The
throttle
control
system
used
in
AST
is
illustrated
in
Fig
.

MASS
AIR
FLOW
SENSOR

JADS
THROTTLE
PLATE
POSITION
SENSOR

0013006

300-6



SUSPENSION,
STEERING
AND
BRAKES-GENERAL

BATTE
RY

KL
30

ECM
MAIN
C~
RELAY



KL
15

DSC
SWITCH

LF1
;1~lZZ~



nSLn

l'
z
sJ



WHEEL

RF

c_
.

LR

r_
.
>
RR

ELECTRONIC
BRAKE
LIGHT
SWITCH

SPEED

SENSORS

Fig
.
7
.



Schematic
of
AII
Season
Traction
(AST)
system
.

INTEGRATED
SYSTEMS

EDC

POWER
SUPPLY



SOLENOID
RELAY
GROUND
CONTROL

POWER
SUPPLY
I'
1
ABS
PUMP

GROUND
CONTROLÍ
F



f
iJ
RELAY

INLET
(4X)
wxxuw
OUTLET
(4X)



-=-=--



AST
AST
INTAKE
IHYDRAULIC
-
=-

SWITCHING
=---

!
99001
!J

WHEEL
SPEED
X
4

DME
II

000001
-
f



1
UNIT

AGS

IKE
&
DMEI
PARK
BREVE

771
SWITCH

M
ALTERNATOR



AUXILIARY
THROTTLE

r
`



INDICATOR



POSITION
MOTOR
(ADS)

ABSPUMP



DIAGNOSIS

RELAY



lu~~~b

0013027

1
.
Heater
valves
2
.
ABS
pedal
travel
sensor3
.
ABS
pump

Fig
.
10
.
Left
rear
of
engine
compartment
.

4
.
Main
engineharness
con-
nector
5
.
Power
distribution
box

ELECTRICAL
COMPONENT
LOCATIONS
610-5

0013202
0013226

Fig
.
11
.
M42
engine
idie
speed
control
valve
(arrow)
beneath
intake
manifold

0012421

Fig
.
12
.
M44
engine
intake
air
temperature
(¡Al)
sensor
in
air
filter
housing

Fig
.
13
.
M50/S50U
S
engine
intake
air
temperature
(IAT)
sensor
(1)
and
throttle
position
sensor
(2)
.

301180

0012724

Fig
.
14
.
M52/S52U
S
engine
intake
air
temperature
(IAT)
sensor
in
bot-
tom
of
intake
manifold
(throttle
housing
shown
removed)
.

COMPONENT
LOCATIONS

Fig
.
19
.
M44
engine
coolant
temperature
(ECT)
sensor
(arrow)
.



Fig
.
22
.
Headlight
ground
at
left
frontof
engine
compartment
(arrow)
.

0012704

Fig
.
20
.
M52
engine
coolant
temperature
(ECT)
sensor
(A)
is
located
beneath
top
enginecover
(B)
and
crankcase
vent
hose
(C)
.

uu12700

Fig
.
21
.
M52
throttle
position
sensor
(A),
idle
speed
control
valve
(B),
and
secondary
air
pump
(C)
.

ELECTRICAL
COMPONENT
LOCATIONS



610-7

00119s4



0013131

uvijijo
Fig
.
23
.
Mainground
at
right
strut
tower
(A)
.
B
is
negative
jumper
con-
nection
.

COMPONENT
LOCA
TIONS

Table
a
.
E36
Component
Locations

Component



Model
Year



Location



Refer
to

Anti-theft
Control
Module



1992-1998



Behind
glove
compartment



Fig
.
8
.
Fig
.
9
.

Anti-theft
Horn



1
1992-1998



1
Right
rear
engine
compartment

Anti-slip
(Traction)
Control
Module



1994-1998



Power
distribution
box



Fig
.
8
.
(AST/ASC+T)



Fig
.
9
.

Anti-slip
(Traction)
Control
Switch



1994-1998



In
center
console

Automatic
Climate
(A/C)
Control



1992-1998



Behind
center
console
Module

AutomaticTransmission
Range



1992-1998



~
Next
to
gear
shift
lever
in
center
console



Fig
.
29
.
Switch
(Gear
Position/Neutral
Safety
Switch)

Auxiliary
Cooling
Fan
Dual
Switch



1992-1998



Right
side
radiator



1



Fig
.
18
.

Auxiliary
Cooling
Fan
Motor



1992-1998



Behind
front
grill

Auxiliary
Fuse
Box
(Left
Splice



1992-1998



I
Behind
left
front
footwell
kick-panel
Panel)

Auxiliary
RelayPanel



1
1992-1998



1
Left
side
of
dash
under
steering
column

Auxiliary
Fuse
Box
In
Trunk



1



1997-1998



1
Right
sideof
trunk
behind
trim
panel

AuADSry
ThrottlePosition
Motor



11994-1998



Front
of
engine
compartment

B+
Jump
Start
Junction
Point



1992-1998



Right
rear
of
engine
compartment



Fig
.
7
.

Back-Up
Light
Switch
(Manual)



1992-1998



Right
or
left
side
top
of
transmission



Fig
.
30
.

Body
Electronics
Control
Module



1994-1998



Behindglove
compartment



Fig
.
8
.
(ZKE
IV)



Fig
.
9
.

Brake
Fluid
Level
Sensor



1992-1998



Top
of
brake
fluid
reservoir
at
master
cylinder



Fig
.
15
.

Brake
Light
Switch



1
1992-1998



1
On
brake
pedal
supportbracket

Brake
Pad
Sensor,
Left
Front



1
1992-1998



1
Left
front
brake
caliper

Brake
Pad
Sensor,
Right
Rear



1992-1998



Right
rear
brake
caliper

Camshaft
Actuator
(VANOS)



1993-1998



Front
of
cylinder
head
Camshaft
Position
Sensor
(Cylinder



1992-1998



Front
of
engine
Identification)

Carbon
Canister
Valve
(TLEV)



1
1997-1998



1
In
sparewheel
well
in
trunk

ELECTRICAL
COMPONENT
LOCATIONS



610-11

Fig
.
5
.

Fig
.
4
.

Fig
.
24
.

Fig
.
7
.

Central
Locking
Module
(ZVM)



11992-1993



1
Behindglove
compartment



I



Fig
.
8
.
Fig
.
9
.

Check
Control
Module
(if
applicable)
1
1992
-
1998



1
Below
left
side
of
dash

Child
Protection
Window
Control



1992-1998



Center
console
(console)

Chime
Module



1992-1998



Below
left
side
of
dash
inleft
dash
trim
panel

Clock
(Multi-Function)



1993-1998



Center
console

Clutch
Pedal
Switch



1992-1998



On
clutch
pedal
support
bracket

Continued

COMPONENT
LOCATIONS

Tablea
.
E36
Component
Locations

Component



Model
Year



Location



Refer
to
Rollover
Sensor



1994-1998



In
lower
left
C-pillar
behind
trim
panel
(Convertible)

Seat
Belt
Switch



1992-1998



In
front
seat
belt
buckle

SeatCushion
Tilt
Motor



1992-1998



Under
front
seat

Seat
Heater



1993-1998



Under
front
seat

Seat
Height
Motor
Front



1992-1998



Under
front
seat

Seat
Movement
Motor



1992-1998



Under
front
seat

Seatback
Heater



1993-1998



In
upper
front
seatback

Seatback
Recliner
Motor



1993-1998



Under
front
seat

Seat
Occupancy
Detector



1994-1998



Under
rightfront
seat

Secondary
Air
Pump
(4-cyl
.)



1997
1
/2
-
1998



Left
engine
compartment,
belowpower
distribution
box
(M44
engine)

Secondary
Air
Pump
(6-cyl
.)



1996-1998



Front
of
engine
compartment
(M52/S52US
engine)

Secondary
Air
Pump
Relay



1996-1998



Power
distribution
box



Fig
.
2
.

Secondary
Air
Pump
Valve



1996-1998



Right
sideof
engine

Side
Impact
Air
Bag
Right/Left



1997-1998



Behind
right/left
door
trim
panel

Síde
Impact
Airbag
Crash
Sensor,



1997-1998



Right/left
door
si¡¡
behind
front
seat
Right/Left

Shift
Interlock



1992-1998



Center
console
beside
shift
selector

Slip
Control
Module
(ABS/AST)



1992-1998



Behind
glove
compartment



Fig
.
8
.
Fig
.
9
.

Splice
Panel,
Left
Side



1992-1998



Behind
footwell
speaker
grill



Fig
.
5
.

SplicePanel,
Right
Side



1992-1998



Behind
glove
compartment



Fig
.
6
.

Starter



1992-1998



Leftrear
of
engine

Starter
Immobilization
Relay



1994-1998



In
left
splice
panelbehind
footwell
speaker
grill

Starter
Relay



1992-1993



Below
left
side
of
dash

Starter
Relay



1994-1998



Behind
left
footwell
speaker
grill

Sunroof
Control
Assembly



1992-1998



In
roof
center
panel

Supplemental
Restraint
System



11992-1993



I
Behind
glove
compartment



I



Fig
.
8
.
(Airbag)
Control
Module



Fig
.
9
.

Supplemental
Restraint
System



1994-1998



1
Under
center
of
rear
seat
(Airbag
ZAE)
Control
Module

Switch,
Power
Window



1
1992-1998



1
Center
console

Telephone
Eject
Box



1
1994-1996



1
Center
console

ELECTRICAL
COMPONENT
LOCATIONS



610-17

Telephone
Transceiver



1992-1992



In
luggage
compartment

Throttle
Flap
Heater



1994-1996



Left
sideof
engine

Throttle
Position
Sensor



1992-1998



I
Left
sideof
engine
inthrottle
housing



I



Fig
.
7
.
Fig
.
15
.
Fig
.
21
.

Continued

COMPONENT
LOCATIONS

8727
4

FRONT
_TPOWER
ER_DIS_TR_IBUTION
BOX
FHOTIN



OXYOENSE_NSORRE_LA
_Y



I
I
RUNAND



I
GRN/VIO
16
START



I
X,
DD>
6



I

GRNIV10GRN/VIO
BRNIGRNRED/WHT
BLK
YELBLK
BRN/ORG

I
U
E



1185-T86



13D
18,
6A



4Y



BY



6Y



2Y

-
,T,
F
E37017

IL



I



L-
I
--!



!
NORMAL



PRESSURE
SPEEDRELAY



SWITCH

G

ELECTRICAL
WIRING
DIAGRAMS
ELE-71

Engine
Management

19921
.8L
(2
of
2)

INTEGRATED
CLIMATE
HEATEDOXYGEN
CRANKSHAFT
CAMSHAFT



REGULATION
SENSOR
POSITION/RPM
POSITION
CONTROLMODULE
SENSOR
SENSOR

I



I

a



<



I
X181
.58
1
X
18185
UV
U



~



22



2



2



2



F



',-



~



F



~



_
_
_
_
vvvv



I
-
tt
i

2



I



I



I



1



I



1



__



r
-
I



.I



r
-
-
I



I



I



1



BLKIWHT
2
"
~~{I
VEHICLE
SPEED
GRN



I



1



1



1
zlzl



1



1



zl



1



1



1



.
.1



1



I



X17
(
OUTPUT
WHT/BLK
21
I
FUEL
%ifi
(CONSUMPTION

BRN/BL
/BL

CYL(-2



CYL3-4



ENGINECOOLANT
KNOCK



KNOCK



TEMPERATURESENSOR



SENSOR



SENSOR

>I



BLK
20
'EN
.IMEBPEE
.
1



INPUT

I



II
SERVICE
II
REMINDER
I
I
INDICATOR
I
GRG~
~
I
X1fi
I

INSTRUMENT
WlON-BOARD
CLUSTER
COMPUTER

Ks
w-HT/B~~
-
"



BLK~VIO
lI



I
i
ON-BOARD
COMPUTER

BLKIVIO
81
r



I
CIOBCOMP
I
WHT/BLK
17
LK/WHT
T3CIFCINPUT



I
B
{IVSOUTPUT
I
ORY
IENGINDICAT0R
I
BLK
74
,
1ESINPUT



I
VIOIGRV
B6
IICRCMOD
I
Y
EL
SLK



1B



I
CAM
SENS
SIG
B
44,
I
CAM8ETURN
BLK
BB
CPS
SIG
yEL



"'
BLK/



I
CPS
RETURN
PRESSSWITCH
-
B



I
BRN/B
ICYLI-2KS
(SHIELD--------

BRN/RED
78



ICYL3-4
K5
IECTSENS

GRYIWHTB



59~ITPSINPUT
ITPSSENSOR
G
I,VAFSENSOR
GRY/YEL
41
(
_



IVAFSENSOR
GRY/SLU
14
~
I
INTEMP
SENS
GRYRYIV
~INTEMPSENS

GRYIVIO
4
GRY/BLU
6
GRY/WHT
1

GRYIYEL
2

GRY/BLK
3

GRY/WHT
1
SRN
2
BRN/BLK
3

ENGINECONTROL
MODULE
(OME)

VOLUMEAIR
FLOW
SENSOR

THROTTLE
POSITION
SENSOR

8727
6

GRN/VIO
BRNIGRN
RED/WHT
RED/WH
T
RED/WHTRED/WHT

REDRED

W/EGS
FRONT
POWER
DISTRIBUTION
BOX
I



OXYGENSENSOR
RELAY



I



HEATED
OXYGEN



CAMSHAFT



CRANKSHAFT
SENSOR
POSITION
POSITION/
SENSORRPMSENSOR

1S)
X199]9

ELECTRICAL
WIRING
DIAGRAMS
ELE-73

Engine
Management

19922
.511-
(2
of
2)

86



v
30
v
87
I
_



W
[~~j

O

TRANSMISSIONS
SYSTEM

----------
---------



--------
-------
TRANSMISSIONTRANSMISSION
TRANSMISSION
CONTROL



AUTOMATIC
TRANSMISSION
MODULE
(EGS)



RANGE
SW
ITCH

HOT
IN
RUNAND
START
(FRONT
FUSE
pOYfER
I



F28



I
DISTRIBUTION
I
-AJBOX
6Y
X]4
017

INTAKEAIR
THROTTLE
ENGINECOOLANT
TEMPERATURE
POSITION
TEMPERATURE
SENSORSENSORSENSOR
O

j
1I
20j1Sj18~
10

DATA
LINK
CONNECTOR

YEL
70
I
ON-BOARD



BLK/VIO



81



1023
GROUNDCOMPUTER
4



ION-BCOMP

A/C
L~
VIO/GRY
86!
I
SYSTEM



IICRCRTLMOD

NOTUSED
HOTINRUNANOSTART
F"~
;/~
FRONT
4/F2SE
POWER
I
F7
(DISTRIBUTION
L~
-
JBOX

INSTRUMENT
23X7
.6
CLUSTER

~/
/
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\
\
/
CHECK
f
\di/
ENGINE



I

BLK/WHT
GRV/BLU
B
GRV/WHT
6
GRV/YEL
1

BLK/WHT
73
r
IVSS
GRY
8
~
ED7a
ISRVCREMINO
BRN/
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BRN
3
~IGROUND
BR"/81K
12
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RED
/V
EL



59~
ISVREF
DR
IIATSENS
YEL
67
ICRNKSHFTSENS
BL
I
CRNKSHFTSENSBRN
/
RG
28
~
I
GROUND

EL
ICAMSHFTSENS

-
ICAMSHFTSENS
BL
0251G
71,

BLK/BLU



48,
I
IA/C
COMPCTRL
WHT/BLK
17
BRNI
G
R



LCONS
NIG
JV
64
~
ITRAN
CTRL
MOD
BRN/ORG
11,
I
DKV

GRV/BLU
41
-j



'
-~
.AFMETER
I
BLKKIG~y
88
IPRESSSWITCH



I

END
NE
CONTROL
MODULE
(OME)

NOFMALSPEEDRELAY

BLKBLK/GRV



z
N~I



I
I
PRESSURE
S
W
ITCH

(-__----

MASS
AIR
FLOWSENSOR