1997 FORD AEROSTAR sensor

18
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If your engine overheats:
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1. Pull off the road as soon as it is safely
possible.
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2. Turn off the engine.
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3. Let the engine cool.DO NOT REMOVE
COOLANT SYSTEM FILL CAP UNTIL
THE ENGINE IS COOL.
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4. Check the coolant level following the
instructions on checking and adding coolant
to your engine. Refer toEngine coolantin the
Index. If you do not follow these
instructions, you or others could be injured.
[IS12325(ALL)01/96]
quarter page art:0020541-B
Engine coolant temperature gauge
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Speedometer
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The speedometer tells you how many miles
(kilometers) per hour your vehicle is moving.
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Your vehicle contains a speedometer which
receives its input from the Anti-Lock brake
sensor. The speedometer is also used to provide
a speed signal for correct operation of the
vehicle's Powertrain Control Module (PCM),
electronic transmission, and speed control (if so
equipped). Because of this, it is very
IMPORTANT to change the speedometer's
internal conversion constant if the size of the
tires on the vehicle is changed. Changing the
conversion constant to the proper value when
File:03cpisa.ex
Update:Fri Jun 7 14:23:36 1996

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half page art:0011063-A
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RWARNING
The air bag will inflate only once. The
system is designed to function on a
one-time-only basis. If the air bag is
inflated, THE AIR BAG WILL NOT
FUNCTION AGAIN AND MUST BE
REPLACED IMMEDIATELY. If the air
bag is not replaced, this will increase the
risk of injury in a subsequent collision.
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The Air Bag Supplemental Restraint System
consists of:
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driver and passenger air bag modules (which
include the inflators and air bags),
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one or more impact and safing sensors,
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a system diagnostic module,
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a readiness light and tone,
File:06cpssa.ex
Update:Thu Jun 13 08:56:07 1996

127
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and the electrical wiring which connects the
components.
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The diagnostic module monitors its own internal
circuits and the supplemental air bag electrical
system readiness (including the impact sensors),
the system wiring, the air bag system readiness
light, the air bag backup power and the air bag
igniters.
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Determining if System Is Operational
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The Air Bag Supplemental Restraint System uses
a readiness light and a tone to indicate the
condition of the system. The readiness light is in
the instrument cluster. When you turn the
ignition key to ON, this light will illuminate for
approximately six (6) seconds and then turn off.
This indicates that the system is operating
normally. NOTE: Routine maintenance of the air
bag system is not required.
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A problem with the system is indicated by one
or more of the following:
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the readiness light will either flash or stay lit,
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the readiness light will not light immediately
after ignition is turned on,
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a group of five beeps will be heard. The tone
pattern will repeat periodically until the
problem and light are repaired.
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If any of these things happen, even
intermittently, have the Air Bag Supplemental
Restraint System serviced at your Ford or
Lincoln-Mercury dealer immediately. Unless
serviced, the system may not function properly
in the event of a collision.
File:06cpssa.ex
Update:Thu Jun 13 08:56:07 1996

163
Driving
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Brakes
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Front Disc Brakes
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The front disc brakes are self-adjusting. They do
not require service other than periodic inspection
for pad wear.
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Rear Drum Brakes
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The rear drum brakes are self-adjusting.
Automatic adjustment occurs when the brakes
are applied while ªbacking up.º If normal
operation does not include much backing, adjust
the brakes when they seem ªlow,º using the
procedure underIf Brakes Do Not Grip Well or
Pedal is ªLowºin this chapter.
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Hydraulic Power Brakes
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The hydraulic brake system is made up of two
independent hydraulic circuits. One hydraulic
circuit supplies fluid to the front disc brakes and
the other hydraulic circuit supplies fluid to the
rear drum brakes. These two circuits are
supplied by a common hydraulic brake fluid
reservoir, with a fluid level sensor.
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The brake light in the instrument cluster will
light for low brake fluid in the common brake
fluid reservoir.
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RWARNING
An increase in pedal travel will result in
reduced braking capability. The brake
system should be checked immediately.
File:09cpgfa.ex
Update:Wed Jun 5 12:04:06 1996

169
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The PCM will automatically adjust transmission
operation to make up for varying conditions.
Several sensors located on the engine and
transmission such as throttle position, engine
speed, vehicle speed and transmission
temperature are used by the PCM to shift the
transmission into a higher or lower gear when
required for the best performance and fuel
economy. For example, you may notice that the
transmission will upshift to a higher gear more
quickly when the vehicle has not reached normal
operating temperature.
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The PCM also controls the transmission's Torque
Converter Clutch (TCC) to further raise vehicle
performance and fuel economy. The TCC will
engage when the transmission operating
temperature and other conditions determined by
the PCM have been met. Engagement of the
clutch may be noted as a decrease in engine
speed.
[GF10250(ALL)05/96]
To help in troubleshooting, the PCM continually
performs self-tests on the electronic control
system and, if any faults are detected, stores
them in memory. The Transmission Control
Indicator Light (TCIL) (O/D OFF), which is
located on the gearshift lever, may flash steadily
if a malfunction has been detected. If the TCIL is
flashing, contact your Ford dealer as soon as
possible. If this condition persists, damage to the
transmission could occur.
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Speed limiter
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All models are equipped with a Powertrain
Control Module (PCM) which limits the
maximum engine speed and thus road speed in
top gear. Vehicle operation is normal since the
controlled maximum speed is above posted
highway speeds in North America.
File:09cpgfa.ex
Update:Wed Jun 5 12:04:06 1996