Throttle position sensor BMW 318i 1997 E36 Owner's Manual
Page 180 of 759
130-
34
FUEL
INJECTION
Pin
i
Signal
1
Component/function
1
Signal
1
output
Oxygen
sensor
(monitoring
sensor)heater
Oxygen
sensor
heater
control
(switched
ground)
2
output
Idle
speed
control
valve
Pulsed
ground-close
signal
(see
also
pin
29)
3
output
Fuel
injector
control,
cyl
.
1
Pulsed
ground
(injection
pulsewidth
in
ms)
cyl
.
1
4
output
Fuel
injector
control,
cyl
.
4
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
4
5
not
used
-
-
6
ground
Ground
Ground
for
fuel
injector
output
stage
7
not
used
-
8
1
output
1
Check
Engine
1
Instrument
cluster,
Check
Engine
lamp
9
not
used
-
-
10
input
Electronic
immobilizer
control
(EWS
II)
Electronic
immobilizer
control
(EWS
II)
module
11
output
Automatic
climate
control
Automatic
climate
control,
to
evaporator
controlier
12
not
used
-
-
13
not
used
-
-
14
not
used
-
-
15
not
used
-
-
16
input
Intake
air
temperature
Intake
air
temperature
Signal
17
input
Mass
air
flow
meter
Intake
air
signal
18
not
used
-
-
19
input
Oxygen
sensor
(monitoring
sensor)
Oxygen
sensor
control
20
output
Crankshaft/rpm
sensor
Crankshaft/rpm
sensor
control
21
input
Camshaft
position
sensor
Camshaft
position
signal
22
output
Ignition
coil
control,
cyl
.
3
Primary
signal,
ignitioncoil
3
23
output
Ignition
coil
control,
cyl
.
4
Primary
signal,
ignitioncoil
4
24
not
used
-
-
25
not
used
-
-
26
input
Power
supply
(terminal
30)
Battery
voltage
(B+)
at
al¡
times
27
input
Main
relay
control
Main
relay
activation
(terminal
85)
28
ground
Ground
Ground
for
ECM
and
sensor
shielding
29
output
Idle
speed
control
valve
Pulsed
ground-open
signal
(seealsopin
2)
30
output
Oxygen
sensor
(monitoring
sensor)
heater
Oxygen
sensor
heater
control
(switched
ground)
31
output
Fuel
injectorcontrol,
cyl
.
3
Pulsed
ground
(injection
pulsewidth
in
ms)
cyl
.
3
32
output
Fuel
injector
control,
cyl
.
2
Pulsed
ground
(injection
pulsewidth
in
ms)
cyl
.
2
33
I
not
used
40
input
Knock
sensor
#2
(cyl
.
3,4)
Knock
sensor
#2
signal
41
not
used
-
-
42
input
Vehicle
speed
Vehicle
speed
signal
from
instrument
cluster
43
not
used
-
-
44
output
Throttleposition
sensor
(TPS)
Throttleposition
reference
signal
ECM
PIN
ASSIGNMENTS
Table
k
.
ECM
Pin
Assignment-Bosch
DME
M5
.2
34
ground
Ground
Ground
for
ECM/
output
stages
35
not
used
-
-
36
input
A/C
compressor
relay
A/C
compressor
relay
control
37
not
used
-
-
38
not
used
-
-
39
not
used
-
-
Page 181 of 759
Table
k
.
ECM
Pin
Assignment-Bosch
DME
M5
.2
(continued)
Pin
I
Signal
1
Componentltunction
1
Signal
45
I
output
I
Mass
air
flow
meter
I
Intake
airSignal
46
output
Oxygen
sensor
(monitoring
sensor)
Oxygen
sensor
control
47
not
used
-
48
not
used
-
49
output
Ignition
coil
control,
cyl
.
1
Primary
signal,
ignition
coil
1
50
output
Ignition
coil
control,
cyl
.
2
Primary
signal,
ignition
coil
2
51
not
used
-
52
not
used
-
53
input
Throttleposition
sensor
Throttleposition
Signal
54
input
Power
supply
Batteryvoltage
from
main
relay
(terminal
87)
55
ground
Ground
Ground
for
ECM
56
input
Power
supply
(terminal
15)
Battery
voltage
with
key
on
or
engine
running
57
output
Activate
cooling
fan
(man
.
trans
.)
control
Normal
speed
relay
58
not
used
-
-
59
not
used
-
-
60
input
Programming
voltage
Programming
voltage
via
data
link
connector,
pin
18
61
output
Evaporative
emissionvalve
Evaporative
emission
valve
control
62
vacant
-
-
63
output
Fuel
pump
relay
Fuel
pump
relay
control
64
not
used
-
65
not
used
-
-
66
not
used
-
-
67
not
used
-
-
68
input
Signal
above
80°C(man
.
tran
.)
Double
temperature
switch
69
input
Automatic
climate
control
Automatíc
climate
control
70
input
Knock
sensor
#1
(cyl
.
1,2)
Knock
sensor
#1
Signal
71
ground
Ground
Ground
for
analog
signals
and
knock
sensors
72
not
used
-
-
73
not
used
-
-
74
input
Engine
coolant
temperature
sensor
Engine
coolant
temperatura
Signal
75
not
used
-
-
76
not
used
-
-
77
output
Oxygen
sensor
(regulating
sensor)
Oxygen
sensor
control
78
input
Crankshaft/rpm
sensor
Crankshaft
position/rpmSignal
79
input
ABS
or
traction
control
ABS
or
AST
control
80
input
Engine
speed
Engine
speed
Signal
81
not
used
-
-
82
not
used
-
-
FUEL
INJECTION
130-
3
5
83
input
On-board
computar
From
On-boardcomputer
(terminal
4)
84
not
used
-
-
85
not
used
-
-
86
not
used
-
-
87
input
Diagnostic
connector
(RxD)
Diagnostic
RxD
(receive)signal
to
pin
15
in
Data
link
connector
88
output
I
Diagnostic
connector
(TxD)
Diagnostic
TxD
(transmit)
signal
to
pin
17in
Data
link
connector
ECM
PIN
ASSIGNMENTS
Page 182 of 759
130-
3
6
FUEL
INJECTION
Pin
1
Signal
1
Componentffunction
1
Signal
1
output
Ignition
coil
control,
cyl
.
2
Primary
signal,
ignition
coil
2
2
output
Ignition
coil
control,
cyl
.
4
Primary
signal,
ignitioncoil
4
3
output
Ignition
coil
control,
cyl
.
6
Primary
signal,
ignition
coil
6
4
ground
Ground
Ground
5
output
Fuel
injectorcontrol,
cyl
.
2
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
2
6
output
Fuel
injectorcontrol,
cyl
.
1
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
1
7
output
Mass
air
flow
meter
Mass
air
meter
signal
8
input
Mass
air
flow
meter
Mass
air
meter
signal
9
output
Instrument
cluster
Fuel
consumption
signal
10
output
Engine
coolant
temperature
(ECT)
sensor
ECT
signal
11
output
Fueltankpressure
sensor
Fueltankpressure
sensor
control
12
input
Throttleposition
sensor
(TPS)
Throttleposition
signal
13
-
14
input
Intake
air
temperature
(IAT)
sensor
Intake
air
temperature
signal
15
Traction
control
AST
module
16
input
Automatic
climate
control
Automatic
climate
control
17
18
input
Electronic
immobilizer
control
(EWS
II)
Electronic
immobilizer
control
(EWS
II)
module
19
Automatic
climate
control
Automatic
climate
control
20
-
Instrument
cluster
Instrument
cluster
21
output
Camshaft
actuator
(VANOS
solenoid)
control
Camshaft
actuator
(VANOS
solenoid),
switched
ground
22
output
Fuel
injectorcontrol,
cyl
.
3
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
3
23
Fuel
injectorcontrol,
cyl
.
6
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
6
24
Fuel
injectorcontrol,
cyl
.
4
Pulsed
ground
(injection
pulse
width
in
ms)
cyl
.
4
25
output
Oxygen
sensor
heater
control
Oxygen
sensor
heater
ground
26
input
Power
supply
(terminal
30)
Battery
voltage(B+)
at
all
times
27
output
Idle
speed
control
valve
Pulsed
ground-open
signal
(see
also
pin
53)
28
ground
Ground
Ground
29
output
Ignition
coil
control,
cyl
.
1
Primary
signal,
ignition
coíl
1
30
output
Ignition
coil
control,
cyl
.
3
Primary
signal,
ignition
coil
3
31
output
Ignition
coil
control,
cyl
.
5
Primary
signal,
ignition
coil
5
32
ground
Ground
Ground
33
output
Fuel
injector
control,
cyl
.
5
Pulsedground
(injection
pulsewidth
in
ms)
cyl
.
5
34
ground
Ground
Ground
35
output
Secondary
air
injection
Secondary
air
injection
pump
relay
control
36
output
Engine
speed
output
Engine
speed
signal
37
-
38
ground
Knock
sensor
Shielding
for
knock
sensors
39
output
Intake
air
temperature
sensor
(IAT
Sensor)
Voltagesupply
to
IAT
sensor
and
ECT
sensorEngine
coolant
temperature
(ECT)
sensor
40
output
Crankshaft
position
sensor
(Hall
effect)
Crankshaft
position
sensor
control
41
ground
Camshaft
position
(CMP)
sensor
Shielding
for
CMP
sensor
42
output
Throttle
position
sensor
(TPS)
TPS
ground
43
input
Camshaft
position/rpm
sensor
Camshaft
position/rpm
sensor
control
44
output
Throttle
position
sensor
(TPS)
Voltagesupply
to
TPS
(5
VDC)
45
Traction
control
AST
module
46
-
Instrument
cluster
Instrument
cluster
ECM
PIN
ASSIGNMENTS
Table
I.
ECM
Pin
Assignment-Siemens
DME
MS
41
.1
Page 232 of 759
240-
4
AUTOMATIC
TRANSMISSION
TRANSMISSION
REMOVALAND
INSTALLATION
Removal
and
installation
of
thetransmission
is
best
accom-
plished
on
a
lift
using
a
transmission
jack
.
Use
caution
and
safe
workshop
practices
when
working
beneath
car
and
low-
ering
transmission
.
WARNING
-
To
lift
the
vehicle
safely,
see010
Fundamentals
for
the
Do-it-Yourself
Owner
.
CAUTION-
"
Be
sure
the
vehicle
is
properly
supported
.
The
removal
of
the
transmission
may
upset
the
bal-
ance
of
the
vehicle
on
a
lift
.
"
Tilting
the
engine
to
remove
the
transmission
can
lead
to
damage
to
various
components
due
to
lack
of
clearance
.
-On
carswith
AST
remove
throttle
body
.
-Remove
brake
fluid
reservoir
if
necessary
.
Torx-head
bolts
are
used
to
mount
thetransmission
to
the
bellhousing
.
Be
sure
to
have
appropriate
tools
on
hand
before
starting
thejob
.
2
.
Install
engine
support
across
engine
bay
.
Raise
and
safely
support
vehicle
.
See
Fig
.
6
.
WARNING
-
"
When
raising
thecar
using
a
floor
jack
or
a
hy-
draulic
lift,
carefully
position
the
jack
pad
to
pre-
vent
damaging
the
car
body
.
A
suitable
liner
(wood,
rubber,
etc
.)
should
be
placed
between
the
jack
and
the
car
to
prevent
body
damage
.
"
Watch
the
jack
closely
.
Make
sure
it
stays
stable
and
does
not
shift
or
tilt
.
As
the
car
is
raised,
the
car
may
roll
slightty
and
the
jack
may
shift
.
CAUTION-
Removal
of
transmission
will
cause
engine
to
tip
unlessengine
support
is
used
.
TRANSMISSION
REMOVAL
AND
INSTALLATION
Fig
.
6
.
Engine
support
equipment
used
to
support
engine
from
above
before
removing
transmission
.
3
.
Raise
vehicle
to
gain
access
to
underside
of
car
.
4
.
Drain
ATF
from
transmission
as
described
earlier
.
5
.
Disconnect
oxygen
sensor
harness
.
Remove
exhaust
system,
and
exhaust
heat
shield
.
See
180
Exhaust
System
.
Transmission,
removing
and
installing
6
.
Remove
driveshaft
.
See
260
Driveshaft
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
7
.
With
selector
lever
in
Park,
disconnect
shift
selector
le-
ver
cable
from
lever
and
remove
cable
bracket
.
Hold
CA
UTION-
linkage
clamping
bolt
stationary
when
loosening
Prior
to
disconnectiog
the
battery,
read
the
battery
clamping
nut
.
See
Fig
.
7
.
disconnection
cautions
given
at
the
front
of
this
manual
on
page
vi¡¡
.
Fig
.
7
.
Selector
lever
cable
clamping
nut
(A)
.
Loosen
cable
clamping
nut
(B)
and
remove
cable
from
bracket
.
Always
counterholdclamping
bolt
when
loosening
nut
.
Page 252 of 759
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
Page 254 of 759
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
Page 391 of 759
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
Page 393 of 759
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
Page 397 of 759
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
Page 403 of 759
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