Ford Low Cab Forward (Ford year). Manual — part 4

WARNING LIGHTS AND CHIMES

Warning lights and gauges can alert you to a vehicle condition that may
become serious enough to cause expensive repairs. A warning light may
illuminate when a problem exists with one of your vehicle’s functions.
Many lights will illuminate when you start your vehicle to make sure the
bulb works. If any light remains on after starting the vehicle, have the
respective system inspected immediately.

Note: The instrument cluster will self-test when the ignition is turned
on. During this self-test you may hear an audio buzz and/or the gauges
will sweep. This is normal operation

Stop engine: If this red warning
light illuminates while driving, a
high coolant temperature/low
coolant level, low engine oil pressure or high diesel particulate filter soot
loading may exist. An audible tone will also sound when this light is
illuminated. Safely pull off the road as soon as possible and stop the
engine. Continuing to drive while this light is illuminated may result in
extensive engine damage. Contact your dealership or authorized service
center as soon as possible.

Instrument Cluster

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Check engine: If this yellow
warning light illuminates while
driving, a problem in the electronic
engine controls has been detected or the Diesel Particulate Filter (DPF)
needs a parked regeneration (refer to Diesel Particulate Filter [DPF] in
the Maintenance and Specifications chapter for more information).
Contact your dealership or authorized service center as soon as possible.

Service Engine Soon: This yellow
warning light will illuminate to
display any emissions-related issues.
Contact your dealership or
authorized service center as soon as possible.

Wait to start: With the key in the
ON position, this yellow light will
illuminate if the glow plug heat is
necessary as a starting aid. Wait
until the light goes off before starting. The light should always illuminate
briefly, when the ignition key is in the ON position. Refer to Starting the
engine and Cold weather operation in the Driving chapter. After the
engine starts, the light should remain off. The light should always
illuminate at least momentarily when the engine is cold and the ignition
is turned to ON. If it does not illuminate, the glow plug system should be
checked and repaired promptly to avoid difficulty in cold starting.

To reduce the risk of death or personal injury and the potential
for damage to the engine, do not use volatile starting aids such

as ether, propane or gasoline in the air intake system. The glow plugs
will ignite any of the vapors.

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Water in fuel: During refueling, it
is possible for water-contaminated
diesel fuel to be pumped into your
tank. Your vehicle fuel system is
equipped with a fuel filter/water separator to remove water from the
fuel. The yellow WATER IN FUEL light will illuminate when the fuel
filter/water separator has a significant quantity of water in it.

If the light illuminates when the engine is running, stop the vehicle as
soon as safely possible, shut off the engine, then drain the fuel
filter/water separator. Refer to Fuel filter/water separator in the
Maintenance and Specifications section for the drain procedure.
Allowing water to stay in the system could result in extensive damage to,
or failure of, the fuel injection system.

Do not drain water separator while engine is running. Fuel may
ignite if separator is drained while engine is running or vehicle is

moving.

Brake fluid: This red light
illuminates when the brake fluid is
low. An audible tone will also sound
when this light is illuminated. Check the brake master cylinder reservoir
to make sure the fluid level is OK, add if necessary (refer to Brake fluid
in the Maintenance and Specifications chapter for proper checking and
adding procedure). If the level is OK, but the light stays illuminated, do
not drive the vehicle as loss of braking ability may occur. Have the
vehicle towed to your local dealership or authorized service center.

Driving a vehicle with the brake fluid warning light on is
dangerous. A significant decrease in braking performance may

occur. It will take you longer to stop the vehicle. Have the vehicle
checked by your dealer immediately.

Parking brake warning: This red
light illuminates when the parking
brake is engaged.

Instrument Cluster

20

Anti-lock brake system: This
yellow light momentarily illuminates
when the ignition is in the ON
position. If the light stays
illuminated or continues to flash, a
malfunction has been detected; have the system serviced immediately.
Normal braking is still functional unless the brake fluid warning light also
is illuminated. If the ABS light is not functioning, the trip odometer
display will show “No ABS Ind”.

Check trans: This yellow light
momentarily illuminates when the
ignition is in the ON position. If this
light stays illuminated, a problem
has been detected and the shift pattern may be in default operation
(starts in 5th gear). Operating limitations may be placed on the
transmission upshifting and downshifting patterns. Have the system
serviced immediately as transmission damage may occur.

Safety belt: This red light
illuminates to remind you to fasten
your safety belt. A chime will sound
for approximately two seconds to
remind you to fasten your safety
belt.

Diesel Particulate Filter (DPF):
Illuminates if the soot level in the
DPF has reached to a level where it
requires cleaning or service.

Trans temp: This red light
momentarily illuminates when the
ignition is in the ON position. This
light will stay illuminated when the transmission temperature is too high.
An audible tone will also sound when this light is illuminated. Normal
transmission fluid operating temperature is 70°F–248°F (21°C–120°C ).
Fluid temperatures above 275°F (135°C) can cause transmission fluid to
break down and result in internal component damage. Have the system
serviced immediately.

ABS

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