1997 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS warning light

9
Instrumentation
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[IS00600( ALL)01/96]
The instrument panel (dashboard) on your
vehicle is divided into several different sections.
The illustrations on the following pages show
the major parts of the instrument panel that are
described in this chapter. Some items shown
may not be on all vehicles.
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[IS00800( E M)01/96]
In your vehicle, the warning lights and gauges
are grouped together on the instrument panel.
We call this grouping a cluster. Your vehicle has
a mechanical cluster.
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11
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The Mechanical Cluster
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The following warning lights and gauges are on
the mechanical cluster. All of the warning lights
and gauges alert you to possible problems with
your vehicle. Some of the lights listed are
optional. The following sections detail what each
of these indicators means.
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[IS02600( ALL)01/96]
Brake System Warning Light
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[IS02700(B M)01/96]
The warning light for the brakes can show two
things Ð that the parking brake is not fully
released, or that the brake fluid level is low in
the master cylinder reservoir. If the fluid level is
low, the brake system should be checked by
your dealer or a qualified service technician.
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[IS02900( ALL)01/96]
This light comes on when you turn the ignition
key to START to verify that the indicator bulb is
working. If the light stays on or comes on after
you have released the parking brake fully, have
the hydraulic brake system serviced.
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[IS03000( ALL)01/96]
RWARNING
The BRAKE light indicates that the brakes
may not be working properly. Have the
brakes checked immediately.
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[IS03100( ALL)01/96]
one inch art:0020044-A
Brake warning light symbols
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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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Check Engine Warning Light
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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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13
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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
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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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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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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.
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[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
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23
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Ignition
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Understanding the Positions of the Ignition
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quarter page art:0020004-B
The positions of the key in the ignition lock cylinder.
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ON allows you to test your vehicle's warning
lights (except the brake system warning light) to
make sure they work before you start the
engine. The key returns to the ON position once
the engine is started and remains in this position
while the engine runs.
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[CF24140( ALL)01/96]
START cranks the engine. Release the key once
the engine starts so that you do not damage the
starter. The key should return to ON when you
release it. The START position also allows you
to test the brake warning light.
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OFF allows you to shut off the engine and all
accessories without locking the steering wheel or
the automatic transmission gearshift lever.
[CF24170( E M)01/96]
LOCK locks the steering wheel. It also locks the
gearshift.
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RWARNING
Always set the parking brake fully and
make sure the gearshift is latched in P
(Park). Turn off the ignition whenever you
leave your vehicle.
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Do not try to clean the windshield when the
washer fluid container is empty or activate the
washers at any time for more than 15 seconds
continuously. This could damage the washer
pump system.
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[CF29600( ALL)01/96]
RWARNING
Always warm up the windshield with the
defroster before you use the washer fluid.
In freezing weather, the washer solution
may freeze on the windshield and obscure
your vision.
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Hazard Flasher
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The hazard flasher is used to alert other drivers
to hazardous situations.
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The flashers will continue to flash with the brake
pedal depressed.
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The flashers work whether your vehicle is
running or not. The flashers work for up to two
hours when the battery is fully charged and in
good condition without draining the battery
excessively. If the flashers run for longer than
two hours or if the battery is not fully charged,
the battery can be drained.
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To use the hazard flasher:
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1. Push in the flasher button; it will pop out
and the lamps will begin to flash.
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2. To stop the flashers, push in the flasher
button again.
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NOTE: The flasher button will be sticking up
slightly higher when on than when off.
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32
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NOTE: If your speed increases above your set
speed while driving inj(Overdrive)
on a downhill grade, you may want to
depress the transmission control switch
located on the shift lever to turn off
overdrive to reduce vehicle speed.
Speed control cannot reduce the vehicle
speed if it goes above your set speed
on a downhill grade. For the best fuel
economy during normal driving
conditions, leave the shift select inj
(Overdrive), or resume as soon as
practical.
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[CF33400( ALL)01/96]
RWARNING
Do not use the speed control in heavy
traffic or on roads that are winding,
slippery, or unpaved.
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[CF33500( ALL)01/96]
In mountainous areas, at higher elevations, or
when pulling a trailer, the speed control may
not be able to maintain the preset speed with
the transmission inj(Overdrive).
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[CF33800( ALL)01/96]
RWARNING
Do not shift the transmission into N
(Neutral) with the speed control on.
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To maintain a preset speed under the above
conditions, with electronically controlled
transmissions Ð press the Transmission Control
Switch. The indicator light will turn on and
illuminate the word ªOFF.º This will cancel
ªOverdriveº. You can press the Transmission
Control Switch on or off at any speed. For the
best fuel economy during normal driving
conditions, press the Transmission Control
Switch to turn off the light. This allows
overdrive operation. After the vehicle has been
stopped and the engine has been restarted, the
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Update:Thu Dec 12 13:31:05 1996