2004 LINCOLN AVIATOR sensor

The air bags inflate and deflate
rapidly upon activation. After air bag
deployment, it is normal to notice a
smoke-like, powdery residue or
smell the burnt propellant. This may
consist of cornstarch, talcum
powder (to lubricate the bag) or
sodium compounds (e.g., baking
soda) that result from the
combustion process that inflates the
air bag. Small amounts of sodium
hydroxide may be present which
may irritate the skin and eyes, but
none of the residue is toxic.
While the system is designed to help
reduce serious injuries, contact with a deploying air bag may also cause
abrasions, swelling or temporary hearing loss. Because air bags must
inflate rapidly and with considerable force, there is the risk of death or
serious injuries such as fractures, facial and eye injuries or internal
injuries, particularly to occupants who are not properly restrained or are
otherwise out of position at the time of air bag deployment. Thus, it is
extremely important that occupants be properly restrained as far away
from the air bag module as possible while maintaining vehicle control.
Several air bag system components get hot after inflation. Do not
touch them after inflation.
If the air bag has deployed,the air bag will not function again
and must be replaced immediately.If the air bag is not
replaced, the unrepaired area will increase the risk of injury in a collision.
The SRS consists of:
²driver and passenger air bag modules (which include the inflators and
air bags),
²one or more impact and safing sensors and diagnostic monitor (RCM),
²a readiness light and tone
²the electrical wiring which connects the components.
The RCM (restraints control module) monitors its own internal circuits
and the supplemental air bag electrical system wiring (including the
impact sensors, the system wiring, the air bag system readiness light, the
air bag back up power and the air bag ignitors).
Seating and Safety Restraints
177

How does the Safety CanopyYsystem work?
The design and development of the
Safety Canopyysystem included
recommended testing procedures
that were developed by a group of
automotive safety experts known as
the Side Airbag Technical Working
Group. These recommended testing
procedures help reduce the risk of
injuries related to the deployment of
side airbags (including the Safety
Canopyy).
The Safety Canopyysystem
consists of the following:
²An inflatable nylon curtain with a
gas generator concealed behind
the headliner and above the doors
(one on each side of the vehicle).
²A headliner that will flex to open
above the side doors to allow Safety Canopyydeployment.
²The same warning light, electronic control and diagnostic unit as used
for the front airbags.
²Two side crash sensors mounted at the base of the B-pillar (one on
each side).
²Two side crash sensors located at the c-pillar behind the rear doors
(one on each side).
²Roll over sensor in the restraints control module (RCM).
The Safety Canopyysystem, in combination with seat belts, can help
reduce the risk of severe injuries in the event of a significant side impact
collision or rollover event.
Children 12 years old and under should always be properly restrained in
the second or third row seats (if equipped). The Safety Canopyywill
not interfere with children restrained using a properly installed child or
booster seat because it is designed to inflate downward from the
headliner above the doors along the side window openings.
The Safety Canopyysystem is designed to activate when the vehicle
sustains lateral deceleration sufficient to cause the side crash sensor to
close an electrical circuit that initiates Safety Canopyyinflation or when
a certain likelihood of a rollover event is detected by the rollover sensor.
Seating and Safety Restraints
179

Some drivers may notice a slight movement of the brake pedal when the
AdvanceTracyperforms a system self-check. During AdvanceTracy/Roll
Stabilty Control operation you may experience the following:
²A rumble or grinding noise
²A slight deceleration of the vehicle
²The AdvanceTracyindicator light will flash
²If your foot is on the brake pedal, you will feel a vibration in the
pedal.
²If the driving condition is severe and your foot is not on the brake, the
brake pedal will move to apply higher brake forces. You may also hear
a whoosh of air from under the instrument panel during this severe
condition.
All these conditions are normal during AdvanceTracy/Roll Stability
Control operation.
Do not alter or modify your vehicle's suspension or steering; the
resulting changes to the vehicle's handling can adversely affect
the AdvanceTracy/Roll Stability Control system. Also, do not
install a stereo loudspeaker near the rear console or either rear
seat. The speaker vibrations can adversely affect the
AdvanceTracy/Roll Stability Control sensors located in this area.
Note:Pressing the AdvanceTracybutton will disable AdvanceTracyand
Roll Stability Control.
Aggressive driving in any road conditions can cause you to lose
control of your vehicle increasing the risk of severe personal
injury or property damage. The occurrence of a AdvanceTracy/Roll
Stability Control event is an indication that at least some of the tires
have exceeded their ability to grip the road; this may lead to an
increased risk of loss of vehicle control, vehicle rollover, personal injury
and death. If you experience a severe road event, SLOW DOWN.
STEERING
To prevent damage to the power steering system, never hold the steering
wheel at its furthest turning points (until it stops) for more than a few
seconds when the engine is running.
It is also important to maintain a proper power steering fluid level in the
power steering fluid reservoir:
²Do not operate the vehicle with a low power steering pump fluid level
(below the MIN mark on the reservoir).
Driving
202

The system detects obstacles up to
2 meters (6 ft.) from the rear
bumper with a decreased coverage
area at the outer corners of the
bumper, (refer to the figures for
approximate zone coverage areas).
As you move closer to the obstacle,
the rate of the tone increases. When
the obstacle is less than 25.0 cm (10
in.) away, the tone will sound
continuously. If the system detects a
stationary or receding object further
than 25.0 cm (10 in.) from the side
of the vehicle, the tone will sound
for only three seconds. Once the
system detects an object
approaching, the tone will sound
again. If the Rear Park Assist
detects an object and the radio is
on, the radio volume will decrease
while the tone sounds. When the
tone stops sounding, or if the vehicle is shifted out of R (Reverse), the
radio will go back to the previously set volume level.
The system automatically turns on when the gear selector is placed in R
(Reverse) and the ignition is ON. A control in the message center allows
the driver to disable the system only when the ignition is ON, and the
gear selector is in R (Reverse). Refer toMessage centerin theDriver
Controlschapter for more information.
Keep the Rear Park Assist sensors (located on the rear
bumper/fascia) free from snow, ice and large accumulations of
dirt (do not clean the sensors with sharp objects). If the sensors
are covered, it will affect the accuracy of the system.
If your vehicle sustains damage to the rear bumper/fascia, leaving
it misaligned or bent, the sensing zone may be altered causing
inaccurate measurement of obstacles or false alarms.
Driving
210

The fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 30A Moonroof motor, Driver seat
switch
2 10A VAPS module, Memory seat
module, Body security module,
Tire Pressure Monitor System
(TPMS), Sunload/Autolamp sensor
(SecuriLockyLED)
3 20A Radio, Navigation
4 5A Front wiper module
5 15A Flasher relay (turn/hazards)
Roadside Emergencies
235

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
28 20A* Power point #2
29 60A** PJB
30 30A** Front wiper module
31 30A** Climate-controlled seats modules
32 30A** Passenger seat switch
33 30A** Auxiliary blower motor
34 20A** Right HID relay
35 20A** Left HID relay
36 40A** Blower motor
37 15A* A/C clutch relay, TXV,
Transmission, Speed control
38 15A* HEGO, VMV, Canister vent,
IMCC-LSRC, EGR module
39 15A* Injectors
40 15A* PTEC, Mass Air Flow (MAF)
sensor, Fuel pump relay
41 25A* Coil on plug, PTEC relay
42 10A* Right low beam (halogen)
43 10A* Left low beam (halogen)
44 2A* Heated PCV valve (w/DRL only)
45 2A* Brake Pressure Switch
46 20A* High beams/Fog lamps
47 Ð Horn relay
48 Ð Fuel pump relay
49 Ð High beam relay
50 Ð Fog lamp relay
51 Ð Not used
52 Ð A/C clutch relay
53 Ð Trailer tow right turn relay
54 Ð Trailer tow left turn relay
55 Ð Blower motor relay
Roadside Emergencies
240

CHANGING THE TIRES
If you get a flat tire while driving:
²do not brake heavily.
²gradually decrease the vehicle's speed.
²hold the steering wheel firmly.
²slowly move to a safe place on the side of the road.
The use of tire sealants may damage your tires. The use of tire
sealants may also damage your tire pressure monitoring system
(if equipped).
If your vehicle is equipped with a tire pressure monitoring
system, refer toTire Pressure Monitoring System (if
equipped)in theMaintenance and specificationssection for
important information. If the tire pressure monitor sensor becomes
damaged, it will no longer function.
Spare tire information
Your spare tire is not equipped with a tire pressure monitoring system
(TPMS) sensor. The tire pressure monitoring system indicator light will
illuminate when the spare is in use. To restore full functionality of the
monitoring system, all road wheels equipped with tire pressure
monitoring sensors must be mounted on the vehicle.
Have flat tires serviced by a dealer or qualified technician in order to
prevent damage to the TPMS sensor. Replace the spare tire with a road
tire as soon as possible.
If your vehicle is equipped with AWD, a spare tire of a different
diameter than the road tires should not be used. Such a tire
could make the vehicle difficult to control as well as result in damage
to driveline components.
Roadside Emergencies
243

Tire pressure monitoring system (TPMS)
When the tire pressure monitoring
system warning light is lit, one or
more of your tires is significantly
under-inflated. you should stop and
check your tires as soon as possible,
and inflate them to the proper pressure as indicated in the vehicle's tire
information placard. Driving on a significantly under-inflated tire causes
the tire to overheat and can lead to tire failure. Under-inflation also
reduces fuel efficiency and tire tread life, and may affect the vehicle's
handling and stopping ability. Each tire should be checked monthly, the
spare tire every six months. Tire pressure should be set when cold to the
recommended inflation pressure as specified in the vehicle placard and
owner's manual.
Note:This vehicle is equipped with a Tire Pressure Monitoring System
(TPMS) which monitors tire pressure in each pneumatic tire. The
pressure in each tire is dependent upon several factors, one of them
being the contained air temperature (temperature of the air inside the
tire). As the contained air temperature increases, the tire pressure also
increases. While driving in a normal manner, a typical passenger tire
inflation pressure may increase approximately 14 to 28 kPa (2 to 4 psi)
from a cold start situation. This increase in tire pressure is due to an
increase in the contained air temperature. Contained air temperature is
dependent upon several factors such as rate of tire rotation, tire
deflection, amount of braking, etc. In similar manner, the tire pressure
will decrease if the contained air temperature decreases. For example, if
the vehicle is stationary over night with the outside temperature
significantly lower than the daytime temperature, the tire pressure may
decrease approximately 20.7 kPa (3 psi) for a drop of 16.6É C (30É F) in
ambient temperature. This lower pressure value may be detected by the
TPMS as being significantly lower than the cold placard pressure, and
activate the TPMS warning for low tire pressure. If the low warning light
is on, visually check each tire to verify that no tire is flat. If one or more
tires are flat, repair of fix as necessary. If all tires appear to be inflated,
carefully drive the vehicle to the nearest location where air can be added
to the tires. Turn the ignition to the ªoffº position. Inflate all the tires to
the recommended cold pressure.
The system uses radio-frequency to monitor the tire pressure on all tires
excluding the spare tire. The sensors transmit the tire pressure readings
to the receiver module located in the vehicle. The receiver module then
electronically transmits the status to the message center. For more tire
warning information, refer to theMessage Centerin theDriver controls
chapter.
Maintenance and Specifications
299