2012 FORD EXPLORER brake sensor

BLISMessages Action / Description
VEHICLE COMING
FROM LEFTDisplayed when the blind spot information
system with cross traffic alert (CTA) system is
operating and senses a vehicle. SeeBlind Spot
Information System (BLIS) with Cross
Traffic Alertin theDrivingchapter. VEHICLE COMING
FROM RIGHT
Brake System
MessagesAction / Description
BRAKE FLUID
LEVEL LOWIndicates the brake fluid level is low and the
brake system should be inspected immediately.
Refer toBrake fluidin theMaintenance and
Specificationschapter.
CHECK BRAKE
SYSTEMDisplayed when the brake system needs
servicing. If the warning stays on or continues
to come on, contact your authorized dealer as
soon as possible.
PARK BRAKE
ENGAGEDDisplayed when the parking brake is set, the
engine is running and the vehicle is driven
more than 3 mph (5 km/h). If the warning
stays on after the parking brake is released,
contact your authorized dealer as soon as
possible.
Collision Warning
System MessagesAction / Description
COLLISION WARN
NOT AVAILABLEDisplayed when there is a system malfunction
with the collision warning system. The system
will be disabled.
COLLISION
WARNING NOT
AVAILABLE
SENSOR BLOCKED
SEE MANUALDisplayed when the collision warning system
radar is blocked because of poor radar
visibility due to bad weather or ice/mud/water
in front of the radar. Driver can typically clean
the sensor to resolve.
Instrument Cluster
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Following a vehicle
WARNING:When following a vehicle in front of you, the vehicle
will not decelerate automatically to a stop, nor will the vehicle
always decelerate quickly enough to avoid a collision without driver
intervention. Always apply the brakes when necessary. Failing to do so
may result in a collision, serious injury or death.
When a vehicle ahead of you enters the same lane or a slower vehicle is
ahead in the same lane, the vehicle speed will adjust automatically to
maintain a preset gap distance. The distance setting is adjustable, refer
toSetting the gap distancein this section.
The lead vehicle graphic will be illuminated.
The vehicle will maintain a constant distance between the vehicle ahead
until:
•The vehicle in front of you accelerates to a speed above the set speed.
•The vehicle in front of you moves out of your lane or out of view.
•The vehicle speed falls below 16 mph (26 km/h).
•A new gap distance is set.
The vehicle brakes will be automatically applied to slow the vehicle to
maintain a safe distance between the vehicle in front. The maximum
braking which is applied by the ACC system is limited and can be
overridden by the driver applying the brakes.
If the ACC system predicts that its
maximum braking level will not be
sufficient, an audible warning will
sound while the ACC continues to
brake. This is accompanied by a
heads-up display; a red warning bar
illuminating on the windshield. The driver should takeimmediate
action.
Note:The brakes may emit a sound when they are being modulated by
the adaptive cruise control system.
WARNING:Adaptive cruise control only warns of vehicles
detected by the radar sensor. In some cases there may be no
warning or the warning may be delayed. The driver should always
apply the brakes when necessary. Failing to do so may result in a
collision, serious injury or death.
Driver Controls
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•There may be issues with the detection of vehicles in front when
driving into and coming out of a bend or curve in the road.
In these cases ACC may brake late or unexpectedly. The driver should
stay alert and intervene when necessary.
If the front end of the vehicle is hit or damaged, the radar sensing zone
may be altered causing missed or false vehicle detections. Check with
your authorized dealer to have the ACC radar checked for proper
coverage and operation.
ACC Not Available
Several conditions exist which can cause ACC to deactivate or prevent
ACC from activating when requested. These conditions include:
•The sensor is blocked, refer toBlocked sensorin this section.
•
Brake temperature is high, refer toHilly condition usagein this section.
•A failure has occurred in the ACC system or related system.
Driver Controls
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Hill start assist (HSA)
The hill start assist feature makes it easier to pull away when the vehicle
is on a slope without the need to use the parking brake. When the hill
start assist feature is active, the vehicle will remain stationary on the
slope for up to two seconds after you release the brake pedal. During
this time, you have time to move your foot from the brake to the
accelerator pedal and pull away. The brakes are released automatically
once the engine has developed sufficient drive to prevent the vehicle
from rolling down the slope. This is an advantage when pulling away on a
slope; for example from a car park ramp, traffic lights or when reversing
uphill into a parking space.
WARNING:The hill start assist feature does not replace the
parking brake. When you leave the vehicle, always apply the
parking brake and select first or reverse gear.
Using hill start assist
The hill start assist feature is activated automatically when the vehicle is
stopped on a slope greater than five degrees. The hill start assist feature
operates with the vehicle facing downhill if reverse gear is selected. The
hill start assist feature will not operate if the parking brake is activated.
WARNING:You must remain in the vehicle once you have
activated the hill start assist feature.
Activating hill start assist
1. Press the brake pedal to bring the vehicle to a complete standstill.
Keep the brake pedal pressed.
2. If the sensors detect that the vehicle is on a slope, the hill start assist
feature will be activated automatically.
3. When you remove your foot from the brake pedal, the vehicle will
remain on the slope without rolling away for approximately up to two
seconds. This hold time will automatically be extended if you are in the
process of driving off.
4. Drive off in the normal manner. The brakes will be released
automatically.
WARNING:If the engine is revved excessively, or if a
malfunction is detected when the hill start assist feature is
active, the hill start assist feature will be deactivated.
Driving
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Operation
The radar sensor detects vehicles
ahead that are moving in the same
direction as your vehicle.
If the radar detects that your
vehicle is rapidly closing in on
another vehicle, a red warning light
will illuminate and an audible
warning chime will sound.
After that, if the risk of collision
further increases after the warning
light, the brake support prepares
the brake system for rapid braking.
This may be apparent to the driver.
However, the system will not
automatically activate the brakes.
The vehicle will not stop unless the driver presses the brake pedal. If the
brake pedal is pressed then braking is implemented with full brake
function, even if the force on the brake pedal is light.
The collision warning system is active at speeds above approximately
5 mph (8 km/h).
Collision warning system limitations
Due to the nature of radar technology, there may be certain instances
where vehicles will not provide a collision warning. These include:
•Stationary or slow moving vehicles below 6 mph (10 km/h).
•Pedestrians or objects in the roadway.
•Oncoming vehicles in the same lane.
•Severe weather conditions (see also blocked sensor section).
•Debris build-up on the grille near the headlamps (see block sensor
section).
•Small distance to vehicle ahead.
•Steering wheel and pedal movements are large (very active driving
style).
•High interior temperatures, which may deactivate the illumination or
the warning lamps until the interior temperature reduces (audible
warning will alert the driver).
In addition, sun load and sunglasses may reduce the visibility of the
warning lamps. Therefore, it is recommended to keep the audible
warning on.
Driving
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If the front end of the vehicle is hit or damaged, the radar sensing zone
may be altered causing missed or false collision warnings. Check with
your authorized dealer to have your collision warning radar checked for
proper coverage and operation.
WARNING:The collision warning system’s brake support can
only help reduce the speed at which a collision occurs if the
driver applies the vehicle’s brakes. The brake pedal must be pressed
just like any typical braking situation.
Blocked sensor
If a message regarding a blocked
sensor is displayed, the radar signals
from the sensor, located behind a
fascia cover near the driver side of
the lower grille, have been
obstructed. When the radar signals
are obstructed, a vehicle ahead
cannot be detected and the collision
warning system will not function.
The following table lists possible
causes and actions for this message being displayed.
Cause Action
The surface of the radar in the
grille is dirty or obstructed in
some wayClean the grille surface in front of
the radar or remove the object
causing the obstruction
The surface of the radar in the
grille is clean but the message
remains in the displayWait a short time. It may take
several minutes for the radar to
detect that it is no longer
obstructed
Heavy rain, spray, snow, or fog is
interfering with the radar signalsThe collision warning system is
temporarily disabled. Collision
warning should automatically
reactivate a short time after the
weather conditions improve.
Swirling water, or snow or ice on
the surface of the road may
interfere with the radar signalsThe collision warning system is
temporarily disabled. Collision
warning should automatically
reactivate a short time after the
weather conditions improve.
Driving
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
9 10A 4” Radio display, Power liftgate
logic, Electronic finish panel,
SYNCBase Module
10 10A Run/accessory relay (wipers, rear
washer), Rain sensor
11 10A Instrument cluster, Heads-up
display
12 15A Interior courtesy lamps (overhead
console, 2nd row, cargo), Puddle
lamps, Console bin LED,
Backlighting
13 15A Right turn lamps, Right trailer tow
(TT) turn/stop lamps
14 15A Left turn lamps, Left TT turn/stop
lamps
15 15A Reverse lamps, Stop lamps,
High-mounted stop lamp
16 10A Low beam headlamps (right)
17 10A Low beam headlamps (left)
18 10A Keypad illumination, Brake shift
interlock (BSI), Start button run
indicator, Passive anti-theft
system (PATS), Powertrain
control module (PCM) wake-up,
Rear seat power enable
19 20A Memory seat power
20 20A Locks
21 10A Intelligent access (IA), Keypad
22 20A Horn relay
23 15A Steering wheel control module,
IA, Headlamp switch
24 15A Datalink connector, Steering
wheel control module
Roadside Emergencies
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
25 15A Liftgate release
26 5A Radio frequency module
27 20A IA module
28 15A Ignition switch, Push button start
29 20A Radio, 8” SYNCMulti-function
display screen, SYNCmodule,
Global positioning system module
30 15A Front park lamps
31 5A Trailer tow brake controller
32 15A 110V AC power point, Power
folding mirror, Power mirrors,
One touch up/down front
windows, Door lock illumination
33 10A Occupant classification sensor
34 10A Blind spot monitor, Rearview
camera, Reverse sensing system
35 5A Heads-up display, Climate control
humidity sensor, Terrain
management system, Hill descent
switch, Headlamp switch IGN
sense
36 10A Not used (spare)
37 10A Restraints control module
38 10A Auto-dimming rear view mirror,
Moon roof
39 15A High beam headlamps
40 10A Rear park lamps, License plate
lamps
41 7.5A Overdrive cancel, Tow/haul
42 5A Not used (spare)
43 10A Not used (spare)
44 10A Not used (spare)
Roadside Emergencies
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