1997 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS check engine light

12 % [IS04000( M)01/96]Safety Belt Warning Light
[IS04500( M)01/96]
The warning light reminds you to fasten your
safety belt. Each time the ignition is turned to
ON, the warning light comes on for four to
eight seconds to remind you to fasten your
safety belt.
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[IS04600( ALL)01/96]
one inch art:0020046-B
Safety belt warning light symbol
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[IS04700( ALL)01/96]
Check Engine Warning Light
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[IS04800( ALL)01/96]
The Powertrain On-Board Diagnostic II (OBD II)
system consists of the hardware and software
necessary to monitor the operation of the
powertrain. The OBD II system is designed to
check the function of the vehicle's powertrain
control system during normal operation. If an
emission problem is detected, the Check Engine
Warning Light (in the cluster) is turned on.
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[IS04900( ALL)01/96]
one inch art:0020048-A
Check engine warning light symbol
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Update:Fri Dec 13 11:17:22 1996

13
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[IS05000( ALL)01/96]
Modification or additions to the vehicle may
cause incorrect operation of the OBD II system.
Additions such as burglar alarms, cellular
phones, and CB radios must be carefully
installed. Do not install these devices by tapping
into or running wires close to powertrain control
system wires or components.
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[IS05100( ALL)01/96]
The light comes on briefly when you turn the
ignition key toON, but it should turn off when
the engine starts. If the light does not come on
when you turn the ignition toONor if it comes
on and stays on when you are driving, have
your vehicle serviced as soon as possible. This
indicates a possible problem with one of the
vehicle's emission control systems. You do not
need to have your vehicle towed in.
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[IS05200( ALL)01/96]
If the light turns on and off at one (1) second
intervals while you are driving the vehicle, it
means that the engine is misfiring. If this
condition persists, damage could occur to the
engine or catalytic convertor. Have your vehicle
serviced at the first opportunity. You do not
need to have your vehicle towed in.
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[IS05300( ALL)01/96]
If the light turns on and off on rare occasions
while you are driving, it means that a
malfunction occurred and the condition corrected
itself.
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[IS05500( ALL)01/96]
An example of a condition which corrects itself
occurs when an engine running out of fuel
begins to misfire. In this case, the Check Engine
Warning Light may turn on and will then set a
Diagnostic Trouble Code indicating that the
engine was misfiring while the last of the fuel
was being consumed. After refueling, the Check
Engine Warning Light will turn off after the
vehicle has completed three consecutive warm
File:03ltism.ex
Update:Fri Dec 13 11:17:22 1996

14up cycles without a misfire condition occurring.
A warm up cycle consists of engine start from a
cold condition (engine at ambient temperature)
and running until the engine reaches normal
operating temperature.
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[IS05600( ALL)01/96]
On the fourth engine start up, the Check Engine
Warning Light will turn off as soon as the
engine begins to crank. It is not necessary to
have the engine serviced.
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[IS05700( ALL)01/96]
Under certain conditions, the Check Engine
Warning Light may come on if the fuel cap is
not properly installed. If the Check Engine
Warning Light comes on and you suspect that
the fuel cap is not properly installed, pull off the
road as soon as it is safely possible and turn off
the engine. Remove and replace the fuel cap,
making sure it is properly seated.
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[IS05800( ALL)01/96]
After completing the three consecutive warm up
cycles and on the fourth engine start up, the
Check Engine Warning Light should turn off. If
the light does not go off after the fourth engine
restart, have your vehicle serviced by your
dealer or a qualified technician.
%*
[IS05900( ALL)01/96]
Charging System Light
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[IS06000( ALL)01/96]
This light, shown as a battery symbol on your
cluster, indicates that your battery is not being
charged and that you need to have the electrical
system checked.
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[IS06100( ALL)01/96]
one inch art:0020777-A
Charging system light
File:03ltism.ex
Update:Fri Dec 13 11:17:22 1996

15
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[IS06200( ALL)01/96]
This light comes on every time you turn the
ignition to the ON or START position (engine
off). The light should go off when the engine
starts and the alternator begins to charge.
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[IS06300(B FM)01/96]
If the light stays on or comes on when the
engine is running, have the electrical system
checked as soon as possible.
%*
[IS07100( ALL)01/96]
Battery Voltage Gauge (Voltmeter)
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[IS07200( ALL)01/96]
This gauge shows you the battery voltage when
the ignition key is in the ON position.
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[IS07300( ALL)01/96]
If you are running electrical accessories (when
the engine is off, or idling at a low speed), the
pointer may move toward the lower end of the
normal band. If it stays outside the normal band
area, have your vehicle's electrical system
checked as soon as it is safely possible.
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[IS07400( ALL)01/96]
If the battery is operating under cold weather
conditions, the pointer may indicate in the upper
range of the NORMAL band while the battery is
charging. If you are running electrical accessories
with the engine off or idling at a low speed, or
the battery is not fully charged, the pointer may
move toward the lower end of the NORMAL
band.
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[IS07500( ALL)01/96]
If it stays outside the NORMAL band, have your
vehicle's electrical system checked as soon as it
is safely possible.
[IS07700( E M)01/96]
quarter page art:0020863-B
Battery voltage gauge
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Update:Fri Dec 13 11:17:22 1996

46
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[GF01500( ALL)01/96]
The brake light in the instrument cluster will
light for low brake fluid in the common brake
fluid reservoir.
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[GF01550( ALL)01/96]
RWARNING
An increase in pedal travel will result in
reduced braking capability. The brake
system should be checked immediately.
[GF01600( E M)01/96]
Hydraulic Brake Booster System
(Hydro Boost)
[GF01650( E M)01/96]
The Hydro Boost system receives its source of
power from the power steering system pump.
%*
[GF02900(BE M)01/96]
If Brakes Do Not Grip Well or Pedal is
ªLowº
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[GF03050( ALL)01/96]
If during normal operation the brake pedal
seems ªlowº, it may indicate the need for a
brake system inspection and/or service. You
should have your brakes checked as soon as
possible.
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[GF03100( ALL)01/96]
Occasional brake squeal during light to moderate
stops does not affect the function of the brake
system and is normal. However, if the squeal
becomes annoyingly loud or increases
significantly in frequency of occurrence, return
the vehicle to your dealer for inspection.
%*
[GF03400( ALL)01/96]
Stopping Distances
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[GF03450( ALL)01/96]
Stopping distances vary with different loads and
driving conditions. Use caution when
encountering new conditions and acquaint
yourself with vehicle performance. Take full
advantage of engine braking power when
slowing down.
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Update:Fri Dec 13 11:22:54 1996

75 [GF24330( M)01/96]
NOTE: If the transmission is submerged in
water, the fluid should be checked and
changed, if necessary.
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[GF24340( ALL)01/96]
NOTE: All rear axle lube quantities must be
replaced every 100,000 miles
(160,000 km) or if the axle has been
submerged in water. Otherwise, the
lube should not be checked or changed
unless a leak is suspected or repair
required.
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[GF24350( ALL)01/96]
Rocking the vehicle
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[GF24370( ALL)01/96]
If your vehicle gets stuck (for example, in mud
or snow), you may rock it out of the spot. Shift
in a steady rhythm between forward and reverse
gears. Allow the transmission to fully engage,
then press lightly on the accelerator. Do not rock
the vehicle for more than a few minutes. This
may overheat the engine and transmission,
causing damage to both. In addition, other
vehicle systems and components may also be
damaged.
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[GF24380( ALL)01/96]
RWARNING
Do not spin the wheels at over 35 mph
(55 km/h). The tires may fail and injure a
passenger or bystander.
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Update:Fri Dec 13 11:22:54 1996

78
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[ER00250( ALL)01/96]
RWARNING
If you see or smell fuel, do not reset the
switch or try to start your vehicle. Have
all the passengers get out of the vehicle
and call the local fire department or a
towing service.
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[ER00252( ALL)01/96]
If your engine cranks but does not start after a
collision or substantial jolt:
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[ER00255( ALL)01/96]
1. Turn the ignition key to the OFF position.
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[ER00260( ALL)01/96]
2. Check under the vehicle for leaking fuel.
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[ER00265( ALL)01/96]
3. If you do not see or smell fuel, push the red
reset button down. If the button is already
set, you may have a different mechanical
problem.
[ER00275( M)01/96]
4. Turn the ignition key to RUN for a few
seconds, then turn it OFF. (Do not start the
engine.)
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[ER00280( ALL)01/96]
5. Check under the vehicle again for leaking
fuel.If you see or smell fuel, do not start
your vehicle again.If you do not see or
smell fuel, you can try to start your vehicle
again.
[ER00285( ALL)01/96]
6. Check all vehicle warning lights before
driving your vehicle.
[ER00295( M)01/96]
quarter page art:0020107-A
Reset button for fuel pump shut-off switch
File:10lterm.ex
Update:Fri Dec 13 11:23:45 1996

94
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[ER21000( ALL)01/96]
4. Check all battery terminals and remove any
excessive corrosion before you attach the
jumper cables.
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[ER21100( ALL)01/96]
5. Turn on the heater fan in both vehicles.
Turning on the fan helps protect the
electrical system from voltage surges. Turn
off all other switches and lights in both
vehicles to prevent possible damage to either
vehicle's electrical systems.
%*
[ER21200( ALL)01/96]
Connecting the jumper cables
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[ER21300( ALL)01/96]
1. Connect one end of the first jumper cable to
the positive (+) terminal of the discharged
battery. (You can connect either jumper cable
to the positive (+) terminal, as long as you
use the same cable for both positive
terminals.) Most jumper cables have a red
cable and a black cable. The red cable is
generally used for the positive terminals and
the black for the negative ones.
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[ER21500( ALL)01/96]
2. Connect the other end of the first cable to
the positive (+) terminal of the booster
battery.
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[ER21600( ALL)01/96]
3. Connect one end of the second cable to the
negative (S) terminal of the booster battery
Ð NOT to the discharged battery.
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[ER21700( ALL)01/96]
4. Connect the other end of the second cable to
a good metallic surface on the engine or
frame of the disabled vehicle.
File:10lterm.ex
Update:Fri Dec 13 11:23:45 1996