Wiring ecu BMW 323i 1995 E36 Workshop Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1995, Model line: 323i, Model: BMW 323i 1995 E36Pages: 759
Page 116 of 759
119-2
LUBRICATION
SYSTEM
NOTE-
Component
Location
If
the
light
does
not
go
out,
thewiring
to
theswitch
is"
Oil
pressure
switch
most
likely
grounded
somewhere
between
the
switch
all
engines
.......
...
.
..
......
ora
oil
filter
housing
terminal
and
the
warning
light
.
Sea
Electrical
Wiring
Diagrams
atrearof
manual
for
electrical
schematics
.
CAUTION-
Some
oil
may
drain
out
as
the
oil
pressure
switch
is
removed
.
Use
a
rag
to
soak
up
any
spills
.
2
.
Install
pressure
gauge
in
place
of
switch
.
3
.
With
gauge
instalied,
start
engine
and
allow
to
reach
operating
temperature
.
Check
oil
pressureboth
cold
and
hot
.
NOTE-
For
the
most
accurate
test
results,
the
engine
oil
(and
filter)
shouldbe
newand
of
the
correct
grade
.
Oil
Pressure
"
¡dle
(mínimum)
..
.
.
..............
.
.
0
.5
bar
(7psi)
"
Regulated
pressure
(elevated
engine
speed)
4-cylinder
engines
..
......
4
.3
±
0
.2
bar
(63
t3
psi)
6-cylinder
engines
.
.
.............
.
4
.0
bar
(59
psi)
4
.
Remove
pressure
gauge
and
reinstall
pressure
switch
.
If
testing
shows
low
oil
pressure,
one
or
more
of
the
follow-
ing
conditions
may
be
indicated
:
OIL
PAN
"
Worn
or
faulty
oii
pump
.
"
Worn
or
faulty
engine
bearings
The
oil
pancan
be
removed
with
the
engine
instalied,
al-
Severe
engine
wear
.
though
specíal
enginesupport
equipment
will
be
needed
.
Al¡
of
these
conditionsindicate
the
need
for
major
repairs
.
Oil
pressure
warning
system,
testing
When
the
ignition
is
tumed
ora,
the
oil
pressure
warning
light
comes
ora
.
When
the
engine
ís
started
and
the
oil
pressure
ris-
es
slightly,
the
oil
pressure
switch
opens
and
thewarning
light
goes
out
.
Make
sure
the
oil
leve¡
is
correct
before
making
tests
.
1
.
Turra
ignition
switch
ora
.
"
Warning
light
ora
instrument
panel
must
light
up
.
2
.
Remove
connector
from
oil
pressure
switch
.
"
Warning
light
ora
instrument
panel
must
go
out
.
OIL
PAN
3
.
If
warning
light
does
not
light
when
ignition
is
ora,
re-
move
connector
from
oil
pressure
switch
anduse
a
jumper
wire
to
ground
connector
terminal
to
a
clean
metal
surface
.
NOTE
-
If
the
warning
light
comes
ora,
check
the
switch
as
de-
scríbed
in
the
nextstep
.
If
the
warning
light
does
not
come
ora,
thewiring
to
the
instrument
cluster
or
to
the
light
itself
isfaulty
.
4
.
To
test
switch,
connect
ara
ohmmeter
between
terminal
in
switch
body
and
ground
.
With
engine
off,
these
should
be
continuity
.
With
engine
running,
oil
pressure
should
opera
switch
and
there
should
beno
continuity
Replace
a
faulty
switch
.
WARNING
-
Keep
in
mind
that
low
oil
pressure
may
be
prevent-
ing
the
switch
from
tuming
the
light
out
.
If
the
light
remains
ora
while
the
engine
is
running,
check
the
oil
pressure
asdescribed
earlier
.
Do
not
drive
the
car
until
the
problem
is
corrected
.
Theengine
may
be
severely
damaged
.
Oil
pan,
removing
and
installing
(4-cylinder
engines)
1
.
Raise
car
arad
place
securely
ora
jackstands
.
2
.
Remove
splash
shíeld(s)
from
under
engine,
where
ap-
plicable
.
3
.
Drain
engine
oil
as
described
in
020
Maintenance
Pro-
gram
.
4
.
Disconnect
vacuum
hose
adapter
from
vacuum
brake
booster
at
rear
of
engine
compartment
.
5
.
Remove
oil
dipstick
guide
tube
mounting
nut
and
pull
guide
tube
from
oil
pan
.
See
Fig
.
2
.
Page 120 of 759
119-
6
LUBRICATION
SYSTEM
17
.
Raise
engine
as
much
as
possible
.
Check
carefully
for
22
.
Installation
is
reverse
of
removal
.
obstructions,
wiring
harness
clearance
and
pinched
hoses
or
lines
as
engine
is
raised
.
"
When
installing
oil
pan,
apply
a
b
d
of
non-hardening
sealing
compound
(3-Bond
1209
0
or
equivalent)
to
18
.
Remove
oil
pan
mounting
bolts
and
lower
oil
pan
to
front
and
rear
end
cover
seam
areas
on
block
.
subframe
crossmember
.
"
Position
oil
pump
pickup
tube
and
oil
pan
onto
block
and
install
pickup
tube
using
a
new
gasket
.
"
Be
sure
tab
on
gasket
faces
down
towards
intake
of
NOTE-
pickup
tube
.
If
the
oil
pan
does
not
separate
easily
from
the
engine
"
Tightenforward
oil
pan
screws
first,
then
tighten
rear
.
cylinder
block,
afew
taps
with
arubber
mallet
should
"
Fill
engine
with
oil
as
described
in
020
Maintenance
break
it
free
.
Do
not
pry
the
oil
pan
loose
.
Program
.
"
After
adding
engine
oil,
start
and
run
engine
.
Raise
en-
19
.
Remove
oil
pump
sprocket
mounting
nut
.
See
Fig
.
9
.
gine
speed
to
2,500
rpm
until
oil
pressure
warning
Lift
sprocket
off
together
with
drive
chain
.
lampgoes
out(about
5seconds)
.
Fig
.
9
.
Oil
pump
sprocket
mounting
nut
(left-hand
thread)
on
6-cylin-
OII
pan,
removing
and
installing
derengine(arrow)
.
(6-cylinder
engine,
1993
and
later
modeis)
NOTE-
The
oíl
pump
sprocket
nut
has
left
hand
threads
.
20
.
Unbolt
oil
pump
pickup
tubefrom
oil
pump
.
Unbolt
oil
pump
from
engine
block
.
See
Oil
pump,
removing
and
installing
(6-cylinder
engine)
.
21
.
Remove
oil
pan
from
rear
.
Tightening
Torques
"
Engine
mount
to
suspension
crossmember(M10
nut)
..
42
Nm
(31
ft-Ib)
"
Oil
pan
to
engine
block
(M6
bolt)
8
.8
grade
....
..
.
...
...
.
........
10
Nm
(89
in-lb)
10
.9
grade
.
.
..
.
..
...
.
.
.
.
.
.....
12
Nm
(106
in-lb)
"
Oil
pump
to
engine
block
.
...
...
.
..
22
Nm
(16
ft-Ib)
"
Oil
pump
sprocket
to
oil
pump
shaft
(M1
0x1
left-hand
thread)
...
..
.
.
..
.
25
Nm
(18
ft-Ib)
"
Power
steering
pump
to
bracket
(self-locking
nuts)
.....
.
....
..
.
...
22
Nm
(16
ft-lb)
"
Power
steering
pump
bracket
to
engine
block
or
oil
pan
(self-locking
nuts)
.
..
22
Nm
(16
ft-Ib)
NOTE-
Cars
built
after
9/92
use
a
different
suspension
cross-
member
¡han
earfier
productíon
cars
.
Oil
pan
removal
procedure
on
the
later
cars
requíres
that
the
engine
be
supported
from
aboye
and
the
front
suspension
cross-
member
be
unbolted
and
loweredfrom
the
chassis
.
1
.
Raisecar
and
place
securely
on
jackstands
.
2
.
Remove
splash
shield
fromunder
engine,
if
applicable
.
3
.
Drain
engine
oil
as
descríbed
in
020
Maintenance
Pro-
gram
.
4
.
Remove
alternator
cooling
duct
from
alternator
and
ra-
diator
support
.
Page 130 of 759
120-
6
IGNITION
SYSTEM
Crankshaft
position/rpm
sensor,
testing
and
replacing
(front
mounted)
1
.
Disconnect
sensor
harness
connector
.
2
.
Using
a
digital
multimeter,
check
resistance
between
terminals
1
and
2
in
connector
.
See
Fig
.
10
.
n1
n2n3
Fig
.
10
.
Crankshaft
position/rpm
sensorconnector
.
Crankshaft
positionlrpm
sensor
specifications
"
Coil
resistance
(approx
.)
terminais
1
and
2
....
.
..
...
....
1280
±
10%
ohms
"
Air
gap
(sensor
distance
from
toothed
wheel)
..
.
.
........
.1
.0
±
0
.3
mm
(0
.04
±
0
.01
in
.)
3
.
If
the
resistance
is
not
correct,
the
sensor
is
faulty
and
should
be
replaced
.
NOTE
-
When
installing
the
new
sensor,
be
sure
thewiring
Is
rerouted
in
the
same
orientation
.
Secure
the
sensor
us-
ing
new
wire
ties
.
Tightening
Torque
"
Crankshaft
position/rpm
sensor
to
mounting
bracket
.........
.
.
5
t
1
Nm
(62
t
9
in-lb)
Crankshaft
position/rpm
sensor,
4
.
Installation
is
reverse
of
removal
.
Use
a
new
O-ring
replacing
(rear
mounted)
when
installing
sensor
.
Be
sure
wiring
is
rerouted
in
same
orientation
.
1
.
Disconnect
sensor
harness
connector
.
6502AGN56
2
.
Locatesensor
on
rear
left
sideof
cylinder
block
.
Re-
move
sensormounting
bolt
and
remove
sensorfrom
cylinder
block
.
IGNITION
SYSTEM
SERVICE
3
.
Installation
is
reverse
of
removal
.
Use
a
new
O-ring
when
installing
sensor
.
Be
sure
wiring
is
rerouted
in
same
orientation
.
Secure
sensor
using
new
wire
ties
.
NOTE-
It
may
be
easier
to
remove
the
sensor
working
from
the
underside
of
the
vehicle
.
Camshaft
Position
(CMP)
Sensor
The
camshaft
position
(CMP)
sensor
is
usedby
the
engine
management
system
for
sequential
fuel
injection
and
knock
control
.
Camshaft
position
(CMP)
sensor,
replacing
(4-cylinder
engine)
1
.
Remove
CMP
sensorfromtop
timing
cover,
just
above
coolantthermostat
housing
.
See
Fig
.
11
.
Fig
.
11
.
Camshaft
position
sensor
mounting
bolt
(arrow)
.
M42
engine
shown
.
2
.
On
M42
engines
to
9/93
:
Disconnect
CMP
harness
plug
just
above
oil
filter
housing
.
3
.
On
M42
from9/93
and
all
M44
engines
:
Remove
upper
intake
manifold
as
described
in
113
Cylinder
Head
Re-
moval
and
Installation
.
Then
unplug
CMP
sensor
har-
ness
connector
below
manifold
.
Page 354 of 759
515-6
CENTRAL
LOCKING
AND
ANTI-THEFT
6
.
Remove
door
handle
assembly
from
inside
door
.
7
.
Installation
is
reverse
of
removal
.
Keep
in
mindthe
fol-
lowing
:
"
Make
sure
rubber
seal
for
handle
is
correctly
posi-
tionedbefore
tightening
mounting
fasteners
.
"
Install
exterior
trim
piece
and
then
use
a
hooked
toolto
pull
locking
plate
into
locked
position
.
Make
sure
door
handle
trim
contacts
body
evenly
before
lockingtrim
in
place
.
"
Reconnect
all
harness
connectors
(including
power
window
motor)before
installing
door
panel
.
"
Secure
wire
harnesses
withwire
ties
.
"
Adjust
windowas
described
in
512
Door
Windows
.
Tightening
Torque
"
Rear
door
handle
mounting
screws
..
10
Nm
(89
in-lb)
NOTE
If
the
striker
backup
plate
fafls
into
the
body
cavlty,
it
can
be
retrieved
after
removing
the
inside
trim
from
the
B-pillar
(door-post
pillar)
.
Tightening
Torque
"
Striker
plate
to
body
pillar
..........
28
Nm
(20
ft-lb)
LOCKING
ACTUATORS
Door
Locking
Actuator
The
front
door
lock
mechanism
and
actuator
are
shown
in
Fig
.
15
.
The
rear
door
lock
and
actuator
are
similar
.
The
lock
must
first
be
removed,
as
described
earlier,
to
replace
the
ac-
tuator
.
if
defective
.
LOCKING
ACTUATORS
Connections
to
door
handle
®
o
_
Attaching
pin
0
O~
Lock
mechanism
0012082
Fig
.
15
.
Front
door
lock
mechanism
and
related
parts
.
Rear
lock
mechanism
is
similar
.
Door
striker,
replacing
Luggage
compartment
locking
actuator,
removing
and
installing
The
door
striker
contains
an
electrical
contact
switch
.
If
the
switch
is
faulty,
the
striker
must
be
replaced
.
To
remove
the
1
.
Raise
trunk
lid
.
Remove
tool
kit
and
trunk
lid
trim
panel
.
striker,
remove
the
mounting
bolts
.
Disconnect
the
harness
See
Fig
.
16
.
connector
from
the
striker
.
0013162
Fig
.
16
.
Trunk
lid
trim
and
tool
kit
retainíng
screws
and
clips
(arrows)
.
2
.
Disconnect
actuating
rod
from
lock
.
See
Fig
.
17
.
3
.
lJnplug
two
wíring
connectors
from
actuator
.
See
Fig
.
18
.
NOTE
-
"
lf
just
one
of
the
centrallocking
drives
does
not
oper-
NOTE-
ate,
the
lockinglinkage
could
be
frozen
orstiff
enough
The
actuator
is
adjustable
.
Matchmark
the
attaching
to
prevent
actuatonof
the
drive
.
Try
remove
the
finte-
screws
before
removal
.
rior
doorpanel
and
lubricating
the
locking
linkage
as
the
first
step
.
4
.
Remove
actuator
attaching
screws
.
Pull
actuator
back-
"
The
actuator
is
not
serviceable
and
mustbe
replaced
wards
from
behind
metal
shield
to
remove
.
5
.
installation
is
reverse
of
removal
.
Align
actuator
screws
with
matchmarks
during
installation
.