ignition FORD EXPEDITION EL 2017 Repair Manual

PRINCIPLE OF OPERATION
WARNINGS
Vehicle modifications involvingbraking system, aftermarket roofracks, suspension, steering system,tire construction and wheel and tire sizemay change the handling characteristicsof your vehicle and may adversely affectthe performance of the electronic stabilitycontrol system. In addition, installing anystereo loudspeakers may interfere withand adversely affect the electronic stabilitycontrol system. Install any aftermarketstereo loudspeaker as far as possible fromthe front center console, the tunnel, andthe front seats in order to minimize the riskof interfering with the electronic stabilitycontrol sensors. Reducing theeffectiveness of the electronic stabilitycontrol system could lead to an increasedrisk of loss of vehicle control, vehiclerollover, personal injury and death.
Remember that even advancedtechnology cannot defy the laws ofphysics. It’s always possible to losecontrol of a vehicle due to inappropriatedriver input for the conditions. Aggressivedriving on any road condition can causeyou to lose control of your vehicleincreasing the risk of personal injury orproperty damage. Activation of theelectronic stability control system is anindication that at least some of the tireshave exceeded their ability to grip the road;this could reduce the operator’s ability tocontrol the vehicle potentially resulting ina loss of vehicle control, vehicle rollover,personal injury and death. If your electronicstability control system activates, SLOWDOWN.
The system automatically turns on eachtime you switch the ignition on.
If a fault occurs in either the stabilitycontrol or the traction control system, youmay experience the following conditions:
•The stability and traction control lightilluminates steadily.
•The stability control and tractioncontrol systems do not enhance yourvehicle's ability to maintain traction ofthe wheels.
If a driving condition activates either thestability control or the traction controlsystem you may experience the followingconditions:
•The stability and traction control lightflashes.
•Your vehicle slows down.
•Reduced engine power.
•A vibration in the brake pedal.
•The brake pedal is stiffer than usual.
•If the driving condition is severe andyour foot is not on the brake, the brakepedal may move as the system applieshigher brake force.
The stability control system has severalfeatures built into it to help you maintaincontrol of your vehicle:
Electronic Stability Control
The system enhances your vehicle’s abilityto prevent skids or lateral slides byapplying brakes to one or more of thewheels individually and, if necessary,reducing engine power.
Roll Stability Control
The system enhances your vehicle’s abilityto prevent rollovers by detecting yourvehicle’s roll motion and the rate at whichit changes by applying the brakes to oneor more wheels individually.
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Stability Control

PRINCIPLE OF OPERATION
WARNINGS
To help avoid personal injury, pleaseread and understand the limitationsof the system as contained in thissection. Sensing is only an aid for some(generally large and fixed) objects whenmoving on a flat surface at parking speeds.Certain objects with surfaces that absorbultrasonic waves, surrounding vehicle'sparking aid systems, traffic controlsystems, fluorescent lamps, inclementweather, air brakes, and external motorsand fans may also affect the function ofthe sensing system; this may includereduced performance or a false activation.
To help avoid personal injury, alwaysuse caution when in reverse (R) andwhen using the sensing system.
This system is not designed toprevent contact with small or movingobjects. The system is designed toprovide a warning to assist the driver indetecting large stationary objects to avoiddamaging your vehicle. The system maynot detect smaller objects, particularlythose close to the ground.
Certain add-on devices such as largetrailer hitches, bike or surfboard racksand any device that may block thenormal detection zone of the system, maycreate false beeps.
Note:Keep the sensors, located on thebumper or fascia, free from snow, ice andlarge accumulations of dirt. If the sensorsare covered, the system’s accuracy can beaffected. Do not clean the sensors withsharp objects.
Note:If your vehicle sustains damage tothe bumper or fascia, leaving it misalignedor bent, the sensing zone may be alteredcausing inaccurate measurement ofobstacles or false alarms.
Note:The sensing system cannot be turnedoff when a MyKey is present. See Principleof Operation (page 47).
Note:If you attach certain add-on devicessuch as a trailer or bike rack, the rear sensingsystem may detect that add-on device andtherefore provide warnings. It is suggestedthat you disable the rear sensing systemwhen you attach an add-on device to yourvehicle to prevent these warnings.
The sensing system warns the driver ofobstacles within a certain range of yourvehicle. The system turns on automaticallywhenever you switch the ignition on.
You can turn the system on oroff by pressing the parking aidbutton. If your vehicle does nothave a parking aid button, the system canbe switched off through the informationdisplay menu or from the pop-up messagethat appears once you shift thetransmission into reverse (R). See GeneralInformation (page 91).
If a fault is present in the system, a warningmessage appears in the informationdisplay. See Information Messages(page 102).
REAR PARKING AID (If Equipped)
The rear sensors are only active when thetransmission is in reverse (R). As yourvehicle moves closer to the obstacle, therate of the audible warning increases.When the obstacle is less than 12 in(30 cm) away, the warning soundscontinuously. If the system detects astationary or receding object farther than12 in (30 cm) from the corners of thebumper, the tone sounds for only threeseconds. Once the system detects anobject approaching, the warning soundsagain.
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Parking AidsE139213

Changing the Set Speed
Note: If you accelerate by pressing theaccelerator pedal, the set speed will notchange. When you release the acceleratorpedal, your vehicle returns to the speed thatyou previously set.
•Press and release SET+ or SET-. Whenyou select km/h as the displaymeasurement in the Informationdisplay the set speed changes inapproximately 2 km/h increments.When you select mph as the displaymeasurement in the informationdisplay the set speed changes inapproximately 1 mph increments.
•Press the accelerator or brake pedaluntil you reach the desired speed. Pressand release SET +.
•Press and hold SET+ or SET-. Releasethe control when you reach the desiredspeed.
Canceling the Set Speed
Press and release CNCL or tap the brakepedal. The set speed does not erase.
Resuming the Set Speed
Press and release RSM.
Switching Cruise Control Off
Press and release OFF when the systemis in stand by mode or switch the ignitionoff.
Note:You erase the set speed when youswitch the system off.
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Cruise Control

When the blockage is removed, the systemcan be reset in two ways: 1) when at leasttwo objects are detected while driving, or2) turn the ignition key from on to off, then
back on. If the blockage is still present afterthe key cycle, the system senses again thatit is blocked after driving in traffic.
Reasons for messages being displayed
Clean the fascia area in front of the radaror remove the obstruction.The radar surface is dirty or obstructed
Drive normally in traffic for a few minutesto allow the radar to detect passingvehicles so it can clear the blocked state.
The radar surface is not dirty or obstructed
No action required. The system automatic-ally resets to an unblocked state once therainfall/snowfall rate decreases or stops.Do not use the Blind Spot InformationSystem or Cross Traffic Alert in theseconditions.
Heavy rainfall/snowfall interferes with theradar signals
System Limitations
The Blind Spot Information and CrossTraffic Alert systems do have theirlimitations; situations such as severeweather conditions or debris build-up onthe sensor area may limit vehicle detection.
The following are other situations that maylimit the Blind Spot Information System:
•Certain maneuvering of vehiclesentering and exiting the blind zone.
•Vehicles passing through the blind zoneat very fast rates.
•When several vehicles forming aconvoy pass through the blind zone.
The following are other situations that maylimit the Cross Traffic Alert:
•Adjacently parked vehicles or objectsobstructing the sensors.
•Approaching vehicles passing atspeeds greater than 15 mph (24 km/h).
•Driving in reverse faster than 3 mph(5 km/h).
•Backing out of an angled parking spot.
False Alerts
Note:If you connected a trailer to yourvehicle, the Blind Spot Information Systemmay detect the trailer causing a false alert.To avoid false alerts you may want to turnthe system off manually.
There may be certain instances wheneither the Blind Spot Information or CrossTraffic Alert systems illuminate the alertindicator with no vehicle in the coveragezone; this is known as a false alert. Someamount of false alerts are normal; they aretemporary and self-correct.
System Errors
If the system senses a problem with theleft or right sensor, the telltale willilluminate and a message will appear inthe information display. See InformationMessages (page 102).
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Driving Aids

Switching the System Off and On
One or both systems can be switched offtemporarily by using the informationdisplay control; See InformationDisplays (page 91). . When you switch offthe Blind Spot Information System, youwill not receive alerts and the informationdisplay will display a system off message.The yellow alert indicator in the outsidemirror will also flash twice. The systemswitches back on whenever you switch theignition on.
You can also have the Blind SpotInformation System switched offpermanently at an authorized dealer. Onceswitched off permanently, the system canonly be switched back on at an authorizeddealer.
STEERING
Electric Power Steering
WARNINGS
The electric power steering systemhas diagnostic checks thatcontinuously monitor the system. Ifa fault is detected, a message displays inthe information display. Stop your vehicleas soon as it is safe to do so. Switch theignition off. After at least 10 seconds,switch the ignition on and watch theinformation display for a steering systemwarning message. If a steering systemwarning message returns, have the systemchecked by an authorized dealer.
If the system detects an error, youmay not feel a difference in thesteering, however a serious conditionmay exist. Obtain immediate service froman authorized dealer, failure to do so mayresult in loss of steering control.
Your vehicle has an electric power steeringsystem. There is no fluid reservoir. Nomaintenance is required.
If your vehicle loses electrical power whileyou are driving, electric power steeringassistance is lost. The steering system stilloperates and you can steer your vehiclemanually. Manually steering your vehiclerequires more effort.
Extreme continuous steering may increasethe effort required for you to steer yourvehicle. This increased effort preventsoverheating and permanent damage tothe steering system. You do not lose theability to steer your vehicle manually.Typical steering and driving maneuversallow the system to cool and return tonormal operation.
Steering Tips
If the steering wanders or pulls, check for:
•Correct tire pressures.
•Uneven tire wear.
•Loose or worn suspensioncomponents.
•Loose or worn steering components.
•Improper vehicle alignment.
Note:A high crown in the road or highcrosswinds may also make the steeringseem to wander or pull.
Adaptive Learning
The electronic power steering systemadaptive learning helps correct roadirregularities and improves overall handlingand steering feel. It communicates withthe brake system to help operateadvanced stability control and accidentavoidance systems. Additionally, wheneverthe battery is disconnected or a newbattery installed, you must drive yourvehicle a short distance before the systemrelearns the strategy and reactivates allsystems.
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Driving Aids

The controller shows gain setting, outputbar graph, and trailer connectivity statusin the information display. They appear inthe information display as follows:
•Trailer Brake Controller Gain (withouttrailer connected): Shows the currentgain setting during a given ignition cycleand when adjusting the gain. This alsodisplays if you use the manual controllever or make gain adjustments withno trailer connected.
•Trailer Brake Controller Gain Output:Displays when you push your vehicle'sbrake pedal, or upon use of the manualcontrol. Bar indicators illuminate in theinformation display to indicate theamount of power going to the trailerbrakes relative to the brake pedal ormanual control input. One bar indicatesthe least amount of output; six barsindicate maximum output.
•Trailer Connected: Displays when thesystem senses a correct trailer wiringconnection (a trailer with electric trailerbrakes) during a given ignition cycle.
•Trailer Disconnected: Displays,accompanied by a single audible time,when the system senses a trailerconnection and then a disconnection,either intentional or unintentional,during a given ignition cycle. It alsodisplays if a truck or trailer-wiring faultoccurs causing the trailer to appeardisconnected. This message can alsodisplay if you use the manual controllever without a trailer connected. Afterdisconnecting the trailer connector,press the brake pedal forapproximately five seconds to allowthe system to detect and update thetrailer status.
B: Manual control lever: Slide the controllever to the left to turn on the trailer'selectric brakes independent of the towvehicle's. See the following Procedure foradjusting gain section for instructions onproper use of this feature. If you use themanual control while the brake is alsoapplied, the greater of the two inputsdetermines the power sent to the trailerbrakes.
•Stop lamps: Using the manual controllever illuminates both the trailer brakelamps and your vehicle brake lampsexcept the center high-mount stoplamp, if you make the proper electricalconnection to the trailer. Pressing yourvehicle brake pedal also illuminatesboth trailer and vehicle brake lamps.
Procedure for Adjusting Gain
Note:Only perform this procedure in atraffic-free environment at speeds ofapproximately 20-25 mph (30-40 km/h).
The gain setting sets the trailer brakecontroller for the specific towing condition.You should change the setting as towingconditions change. Changes to towingconditions include trailer load, vehicle load,road conditions and weather.
The gain should be set to provide themaximum trailer braking assistance whilemaking sure the trailer wheels do not lockwhen using the brakes. Locked trailerwheels may lead to trailer instability.
1.Make sure the trailer brakes are in goodworking condition, functioning normallyand properly adjusted. See your trailerdealer if necessary.
2. Hook up the trailer and make theelectrical connections according to thetrailer manufacturer's instructions.
3. When you plug in a trailer with electricor electric-over-hydraulic brakes, amessage confirming connectionappears in the information display.
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Towing

•Your vehicle's brake system and thetrailer brake system workindependently of each other. Changingthe gain setting on the controller doesnot affect the operation of yourvehicle's brakes whether you attach atrailer or not.
•When you switch the engine off, thecontroller output is disabled and thedisplay and module shut down. Thecontroller module and display turn onwhen you switch the ignition on.
•The trailer brake controller is only afactory-installed or dealer-installeditem. Ford is not responsible forwarranty or performance of thecontroller due to misuse or customerinstallation.
Trailer Lamps
WARNING
Never connect any trailer lamp wiringto the vehicle's tail lamp wiring; thismay damage the electrical systemresulting in fire. Contact your authorizeddealer as soon as possible for assistancein proper trailer tow wiring installation.Additional electrical equipment may berequired.
Trailer lamps are required on most towedvehicles. Make sure all running lights, brakelights, turn signals and hazard lights areworking.
Before Towing a Trailer
Practice turning, stopping and backing upto get the feel of your vehicle-trailercombination before starting on a trip.When turning, make wider turns so thetrailer wheels clear curbs and otherobstacles.
When Towing a Trailer
•Do not drive faster than 70 mph (113km/h) during the first 500 miles (800kilometers).
•Do not make full-throttle starts.
•Check your hitch, electrical connectionsand trailer wheel lug nuts thoroughlyafter you have traveled 50 miles (80kilometers).
•When stopped in congested or heavytraffic during hot weather, place thegearshift in position P to aid engine andtransmission cooling and to help A/Cperformance.
•Turn off the speed control with heavyloads or in hilly terrain. The speedcontrol may turn off automaticallywhen you are towing on long, steepgrades.
•Shift to a lower gear when driving downa long or steep hill. Do not apply thebrakes continuously, as they mayoverheat and become less effective.
•If your transmission is equipped with aGrade Assist or Tow/Haul feature, usethis feature when towing. This providesengine braking and helps eliminateexcessive transmission shifting foroptimum fuel economy andtransmission cooling.
•If your vehicle is equipped withAdvanceTrac with RSC, this systemmay turn on during typical corneringmaneuvers with a heavily loaded trailer.This is normal. Turning the corner at aslower speed while towing may reducethis tendency.
•If you are towing a trailer frequently inhot weather, hilly conditions, at thegross combined weight rating (or anycombination of these factors), considerrefilling your rear axle with syntheticgear lubricant (if the axle is not alreadyfilled with it). See Capacities andSpecifications (page 304).
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Towing

Before using recovery hooks:
•Make sure all attaching points aresecure and capable of withstandingthe applied load.
•Never use chains, cables or tow strapswith metal hook ends.
•Only use recovery straps that have aminimum breaking strength two tothree times the gross vehicle weight ofthe stuck vehicle.
•Make sure the recovery strap is in goodcondition and free of visible cuts, tearsor damage.
•Use a damper device such as a tarp,heavy blanket or piece of carpetdraped over the recovery strap to helpabsorb the energy in the event thestrap breaks.
•Make sure the stuck vehicle is notloaded heavier than its gross vehicleweight rating specified on thecertification label.
•Always align the tow vehicle and stuckvehicle in a straight line (within 10degrees).
•Keep bystanders to the sides of thevehicle, at a distance of at least twicethe length of the recovery strap. Thishelps avoid injury from the hazard of arecovery hook or strap breaking, or avehicle lurching into their path.
TOWING THE VEHICLE ON
FOUR WHEELS
WARNING
If your vehicle has a steering wheellock make sure the ignition is in theaccessory or on position when beingtowed.
Emergency Towing
If your vehicle becomes inoperable(without access to wheel dollies,car-hauling trailer, or flatbed transportvehicle), it can be flat-towed (all wheelson the ground, regardless of the powertrainand transmission configuration) under thefollowing conditions:
•Your vehicle is facing forward fortowing in a forward direction.
•Place the transmission in position N. Ifyou cannot move the transmission intoN, you may need to override it. SeeTransmission (page 159).
•Maximum speed is 35 mph (56 km/h).
•Maximum distance is 50 mi (80 km).
Recreational Towing
Note:Put your climate control system inrecirculated air mode to prevent exhaustfumes from entering your vehicle. SeeClimate Control (page 112).
Follow these guidelines if you have a needfor recreational towing, for example towingyour vehicle behind a motorhome. Theseguidelines prevent damage to yourtransmission.
Two Wheel Drive Vehicles
You cannot tow a two wheel drive vehiclewith any wheels on the ground as vehicleor transmission damage may occur. Youmust tow your vehicle with all four wheelsoff the ground, for example when using acar-hauling trailer.
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Towing

Four Wheel Drive Vehicles
You can only tow a four wheel drive vehiclewith all wheels on the ground by placingthe transfer case in its neutral position andengaging the four-wheel-down towingfeature. Perform the steps outlined in thefollowing section after positioning yourvehicle behind the tow vehicle and properlysecuring them together.
Four-wheel-down Towing
Note:Make sure you properly secure yourvehicle to the tow vehicle.
Entering Four-wheel-down Towing
1. Put the ignition in the on position, butdo not start the engine. If your vehiclehas an ignition key, turn the key to on.If your vehicle has intelligent access,press the engine START/STOP buttontwice without pressing the brake pedal.
2. Press and hold the brake pedal.
3. Rotate the four-wheel drive switch to2H.
4. Shift the transmission to position N.
5. Rotate the four-wheel drive switchfrom 2H to 4L and back to 2H fivetimes within seven seconds.
Note:If completed successfully, theinformation display shows NEUTRAL TOWLEAVE IN N or NEUTRAL TOW ENABLEDLEAVE TRANSMISSION IN NEUTRAL.This indicates that your vehicle is safe totow with all wheels on the ground.
Note:If you do not see the message in thedisplay, you must perform the procedureagain from the beginning.
Note:You may hear an audible noise as thetransfer case shifts into its neutral position.This is normal.
6. Leave the transmission in position Nand turn the ignition as far as it will gotoward the off position (it will not turnfully off when the transmission is inposition N). If your vehicle has anignition key, you must leave the key inthe ignition while towing. To lock andunlock your vehicle, use the keylessentry keypad or extra set of keys. If yourvehicle has intelligent access, press theengine START/STOP button oncewithout pressing the brake pedal. Youdo not need to leave your keys in thevehicle. You can lock and unlock yourvehicle as you normally do.
7. Release the brake pedal.
WARNINGS
Do not disconnect the battery duringrecreational towing. Doing so willprevent the transfer case fromshifting properly and may cause the vehicleto roll even if the transmission is in P(Park).
Shifting the transfer case to itsneutral position for recreationaltowing may cause the vehicle to beable to roll even if the transmission is in P(Park). The driver or others could beinjured. Make sure the foot brake isdepressed and the vehicle is in a secureand safe position while the transfer caseis being shifted to its neutral position.
Failing to put the transfer case in itsneutral position will damage vehiclecomponents.
Note:You can check four-wheel-downtowing status at any time by opening thedriver's door or turning the ignition to theaccessory or on position and verifying theNEUTRAL TOW ENABLED messagedisplays in the cluster.
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Towing

Exiting Four-wheel-down Towing
To exit four-wheel-down towing and returnthe transfer case to its 2H position:
1.With your vehicle still properly securedto the tow vehicle, put the ignition inthe on position, but do not start theengine. If your vehicle has an ignitionkey, turn the key to on. If your vehiclehas intelligent access, press the engineSTART/STOP button twice withoutpressing the brake pedal.
2. Press and hold the brake pedal.
3.Shift the transmission out of N and intoany gear.
4. Release the brake pedal.
Note:If completed successfully, theinstrument cluster displays 4X2, andNEUTRAL TOW DISABLED.
Note:If the indicator light and message donot display, you must perform the procedureagain from the beginning.
Note:You may hear an audible noise as thetransfer case shifts out of its neutralposition. This is normal.
Note:If SHIFT DELAY PULL FORWARDdisplays in the instrument cluster, transfercase gear tooth blockage is present. See theinstructions after this section.
5. Apply the parking brake, and thendisconnect the vehicle from the towvehicle.
6. Release the parking brake, start theengine, and shift the transmission toposition D to make sure the transfercase is out of position N.
7. If the transfer case does notsuccessfully shift out of position N, setthe parking brake until you can haveyour vehicle serviced.
Resolving the SHIFT DELAY PULLFORWARD Message
If the instrument cluster displays SHIFTDELAY PULL FORWARD perform thefollowing:
1. Press and hold the brake pedal.
2. Put the transmission into position N,and then start the engine.
3. With the engine running, shift thetransmission to position D and let thevehicle roll forward, up to 3 feet (1meter). You may hear an audible noiseas the transfer case shifts out of itsneutral position. This is normal.
4. Make sure the instrument clusterdisplays NEUTRAL TOW DISABLED.
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Towing