2002 FORD F150 ABS

Under engine misfire conditions, excessive exhaust temperatures
could damage the catalytic converter, the fuel system, interior
floor coverings or other vehicle components, possibly causing a fire.
Check fuel cap
Illuminates when the fuel cap is not
installed correctly. Check the fuel
cap for proper installation. When
the fuel filler cap is properly
re-installed, the light(s) will turn off
after a period of normal driving.
Continuing to operate the vehicle with the check fuel cap light on, can
activate theService Engine Soon/Check Enginewarning light.
It may take a long period of time for the system to detect an
improperly installed fuel filler cap.
For more information, refer toFuel filler capin theMaintenance and
specificationschapter.
Brake system warning
Illuminates if the parking brake is
engaged. Also momentarily
illuminates at start up to ensure the
circuit is functional. If the brake
warning lamp does not illuminate at
these times, or illuminates after releasing the parking brake, seek service
immediately. Refer toBrakesin theDrivingchapter for more
information.
Anti-lock brake system (ABS)
Momentarily illuminates at start up
to ensure the circuit is functional. If
the light does not illuminate,
remains on or continues to flash, the
ABS needs to be serviced (refer to
Brakesin theDrivingchapter for more information). With the ABS light
on, the ABS is disabled and normal braking is still functional.
!
BRAKE
ABS
Instrument Cluster
12

6. Align top and bottom ribs of
parking lamp assembly with
corresponding slots on front of
vehicle.
7. Push gently until parking lamp
assembly seats (you will hear a
snap).
8. Install screw on lamp assembly.
Replacing tail/brake/turn signal/backup lamp bulbs
The tail/brake/turn signal and
backup lamp bulbs are located in
the tail lamp assembly, one just
below the other. Follow the same
steps to replace either bulb:
1. If equipped, remove tail lamp
covers.
2. Open the liftgate to expose the
lamp assembly screws.
3. Remove the two bolts from the
tail lamp assembly.
4. Carefully pull the lamp assembly
from the tailgate pillar to disengage two hidden snap-in retainers. (Flare
side and Super Crewtail lamps are not equipped with snap-in retainers.)
5. Remove bulb socket from the lamp assembly by turning it
counterclockwise.
6. Pull bulb straight out of socket and press in the new bulb.
7. Install the bulb socket into the lamp assembly by turning clockwise.
8. Carefully install the tail lamp assembly on tailgate pillar snapping the
two snap-in retainers into place. (Flare side and Super Crewtail lamps do
not snap into place but have two tabs which fit into slots.)
9. Secure the tail lamp on the vehicle with two bolts.
Lights
73

AIR BAG SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
Your vehicle is equipped with a crash sensing and diagnostic module
which records information about the air bag and sensor systems. In the
event of a collision this module may save information related to the
collision including information about the air bag system and impact
severity. This information will assist Ford Motor Company in the
servicing vehicle and helping to better understand real world collisions
and further improve the safety of future vehicles.
Important supplemental restraint system (SRS) precautions
The supplemental restraint system
is designed to work with the safety
belt to help protect the driver and
right front passenger from certain
upper body injuries.
Air bags DO NOT inflate slowly or
gently and the risk of injury from a
deploying air bag is greatest close to
the trim covering the air bag
module.
All occupants of the vehicle, including the driver, should always
properly wear their safety belts, even when an air bag (SRS) is
provided.
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Seating and Safety Restraints
145

WARNING:Engine exhaust, some of its constituents, and
certain vehicle components contain or emit chemicals known to
the State of California to cause cancer and birth defects or other
reproductive harm. In addition, certain fluids contained in vehicles and
certain products of component wear contain or emit chemicals known
to the State of California to cause cancer and birth defects or other
reproductive harm.
Important ventilating information
If the engine is idling while the vehicle is stopped in an open area for
long periods of time, open the windows at least 2.5 cm (one inch).
Adjust the heating or air conditioning (if equipped) to bring in fresh air.
Improve vehicle ventilation by keeping all air inlet vents clear of snow,
leaves and other debris.
BRAKES
Your service brakes are self-adjusting. Refer to the scheduled
maintenance guide for scheduled maintenance.
Occasional brake noise is normal and often does not indicate a performance
concern with the vehicle's brake system. In normal operation, automotive
brake systems may emit occasional or intermittent squeal or groan noises
when the brakes are applied. Such noises are usually heard during the first
few brake applications in the morning; however, they may be heard at any
time while braking and can be aggravated by environmental conditions such
as cold, heat, moisture, road dust, salt or mud. If a ªmetal-to-metal,º
ªcontinuous grindingº or ªcontinuous squealº sound is present while braking,
the brake linings may be worn-out and should be inspected by a qualified
service technician.
Four-wheel anti-lock brake system (ABS)
This vehicle is equipped with an anti-lock braking system (ABS). A noise
from the hydraulic pump motor and pulsation in the pedal may be
observed during ABS braking events. Pedal pulsation coupled with noise
while braking under panic conditions or on loose gravel, bumps, wet or
snowy roads is normal and indicates proper functioning of the vehicle's
anti-lock brake system. If the vehicle has continuous vibration or shudder
in the steering wheel while braking, the vehicle should be inspected by a
qualified service technician.
Driving
170

The ABS operates by detecting the
onset of wheel lockup during brake
applications and compensates for
this tendency. The wheels are
prevented from locking even when
the brakes are firmly applied. The
accompanying illustration depicts
the advantage of an ABS equipped
vehicle (on bottom) to a non-ABS
equipped vehicle (on top) during hard braking with loss of front braking
traction.
Using ABS
²In an emergency or when maximum efficiency from the four-wheel
ABS is required, apply continuous force on the brake. The four wheel
ABS will be activated immediately, thus allowing you to retain full
steering control of your vehicle and, providing there is sufficient
space, will enable you to avoid obstacles and bring the vehicle to a
controlled stop.
²The anti-lock system does not decrease the time necessary to apply
the brakes or always reduce stopping distance. Always leave enough
room between your vehicle and the vehicle in front of you to stop.
²We recommend that you familiarize yourself with this braking
technique. However, avoid taking any unnecessary risks.
ABS warning lampABS
TheABSwarning lamp in the instrument cluster momentarily illuminates
when the ignition is turned to the ON position. If the light does not
illuminate momentarily at start up, remains on or continues to flash, the
ABS needs to be serviced.
With the ABS light on, the anti-lock
brake system is disabled and normal
braking is still effective unless the
brake warning light also remains
illuminated with parking brake
released. (If your brake warning lamp illuminates, have your vehicle
serviced immediately.)
!
BRAKE
Driving
171

Descend a hill in the same gear you
would use to climb up the hill to
avoid excessive brake application
and brake overheating. Do not
descend in neutral, disengage
overdrive or manually shift to a
lower gear. When descending a
steep hill, avoid sudden hard
braking as you could lose control.
When you brake hard, the front
wheels can't turn and if they aren't
turning, you won't be able to steer.
The front wheels have to be turning in order to steer the vehicle. Rapid
pumping of the brake pedal will help you slow the vehicle and still
maintain steering control.
If your vehicle has anti-lock brakes, apply the brakes steadily. Do not
ªpumpº the brakes.
Driving on snow and ice
4WD vehicles have advantages over 2WD vehicles in snow and ice but
can skid like any other vehicle.
Should you start to slide while driving on snowy or icy roads, turn the
steering wheel in the direction of the slide until you regain control.
Avoid sudden applications of power and quick changes of direction on
snow and ice. Apply the accelerator slowly and steadily when starting
from a full stop.
Avoid sudden braking as well. Although a 4WD vehicle may accelerate
better than a two-wheel drive vehicle in snow and ice, it won't stop any
faster, because as in other vehicles, braking occurs at all four wheels. Do
not become overconfident as to road conditions.
Make sure you allow sufficient distance between you and other vehicles for
stopping as well as drive slower than usual and consider using one of the
lower gears. In emergency stopping situations, avoid locking of the wheels.
Use a ªsqueezeº technique, push on the brake pedal with a steadily increasing
force which allows the wheels to brake yet continue to roll so that you may
steer in the direction you want to travel. If you lock the wheels, release the
brake pedal and repeat the squeeze technique. If your vehicle is equipped
with a Four Wheel Anti-Lock Brake System (ABS), apply the brake steadily.
Do not ªpumpº the brakes. Refer to theBrakessection of this chapter for
additional information on the operation of the anti-lock brake system.
Driving
194

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
5 15A Speed Control Module, Reverse
Lamp, Climate Mode Switch,
Daytime Running Lamp Relay,
Digital Transmission Range (DTR)
Sensor
6 5A Cluster, Brake Shift Interlock
Solenoid, GEM Module
7 Ð Not Used
8 5A Radio, Remote Entry Module,
GEM Module, In-vehicle
entertainment system (SuperCrew
only)
9 Ð Not Used
10 Ð Not Used
11 30A Front Washer Pump Relay, Wiper
Run/Park Relay, Wiper Hi/LO
Relay, Windshield Wiper Motor
12 Ð Not Used
13 20A Stop Lamp Switch (Lamps),
Turn/Hazard Flasher
14 15A Battery Saver Relay, Interior
Lamp Relay
15 5A Stop Lamp Switch, (Speed
Control, Brake Shift Interlock),
GEM Module, RABS Module
16 20A Headlamps (Hi Beams), Cluster
(Hi Beam Indicator)
17 Ð Not Used
18 5A Instrument Illumination (Dimmer
Switch Power)
19 Ð Not Used
20 5A Audio, GEM Module, Powertrain
Control Module (PCM),
Transmission Range Sensor
Roadside Emergencies
215

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
21 15A Digital Transmission Range (DTR)
Sensor, Clutch Switch, Starter
Relay, I/P fuse 20
22 10A Air Bag Module, Passenger Airbag
Deactivation Module
23 10A Trailer Tow Battery Charge Relay,
Turn/Hazard Flasher, 4x4
Solenoids, 4x4 Relays, Overhead
Console, 4 Wheel Anti-Lock Brake
System (4WABS) Module, EC
Mirror, Heated Seats
24 10A Function Selector Switch
Assembly
25 Ð Not Used
26 10A Right Side Low Beam Headlamp
27 5A Foglamp Relay and Foglamp
Indicator, Main Light Switch
(upstream)
28 10A Left Side Low Beam Headlamp
29 5A Autolamp Module, Transmission
Overdrive Control Switch, Central
Security Module,Belt Minder
30 30A Passive Anti Theft Transceiver,
Cluster, Ignition Coils, Powertrain
Control Module Relay, Coil on
Plugs, Radio Noise Capacitor, ECC
Diode
31 Ð Not Used
Relay 1 Ð Interior Lamp Relay
Relay 2 Ð Battery Saver Relay
Relay 3 Ð Not Used
Relay 4 Ð One Touch Down Window Relay
Relay 5 Ð ACC Delay Relay
Roadside Emergencies
216