ignition FORD BRONCO 2023 Repair Manual

For longer, trouble-free operation, keep thetop of the battery clean and dry and thebattery cables tightly fastened to thebattery terminals. If any corrosion ispresent on the battery or terminals, removethe cables from the terminals and cleanwith a wire brush. You can neutralize theacid with a solution of baking soda andwater.
We recommend that you disconnect thenegative battery cable terminal from thebattery if you plan to store your vehicle foran extended period.
Note:If you only disconnect the negativebattery cable terminal, make sure it isisolated or placed away from the batteryterminal to avoid unintended connection orarcing.
If you disconnect or replace the batteryand your vehicle has an automatictransmission, it must relearn its adaptivestrategy. Because of this, the transmissionmay shift firmly when first driven. This isnormal operation while the transmissionfully updates its operation to optimumshift feel.
Removing the Battery
1.Apply the parking brake and switch theignition off.
2.Switch all electrical equipment off, forexample lights and radio.
3.Wait a minimum of two minutes beforedisconnecting the battery.
Note:The engine management system hasa power hold function and remains poweredfor a period of time after you switch theignition off. This is to allow diagnostic andadaptive tables to be stored. Disconnectingthe battery without waiting can causedamage not covered by the vehicleWarranty.
4.Disconnect and isolate the negativebattery cable terminal.
5.Disconnect and isolate the positivebattery cable terminal.
6.Remove the battery securing clamp.
7.Remove the battery.
If you disconnect or replace the vehiclebattery, you must reset the followingfeatures:
•Window bounce-back. See WindowBounce-Back (page 114).
•Clock Settings.
•Pre-set radio stations.
Replacing the Battery
Note:Before reconnecting the battery,make sure the ignition remains switched off.
You must replace the battery with one ofexactly the same specification.
To install, reverse the removal procedure.
Note:Make sure that you correctly installthe battery terminal covers, battery coverand battery cable terminals.
RESETTING THE BATTERYSENSOR
When you install a new battery, reset thebattery sensor by doing the following:
1.Switch the ignition on, and leave theengine off.
Note:Complete Steps 2 and 3 within 10seconds.
2.Flash the high beam headlamps fivetimes, ending with the high beams off.
3.Press and release the brake pedal threetimes.
The battery warning lamp flashes threetimes to confirm that the reset issuccessful.
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DetailsMessage
The battery management system determines that the 12Vbattery is at a low state of charge. Start the engine to chargethe battery or charge the battery using an aftermarket batterycharger. Always use the vehicle ground point when connectingthe negative cable of the external battery charger. See JumpStarting the Vehicle (page 330). This message clears onceyou restart your vehicle and the battery state of charge hasrecovered. Do not switch on the ignition when a batterycharger is in use to charge the battery.
Battery State of ChargeLow
The battery management system determines that the batteryis at a low state of charge. Turn the ignition off as soon aspossible to protect the battery. This message will clear oncethe vehicle has been started and the battery state of chargehas recovered. Turning off unnecessary electrical loads willallow faster battery state-of-charge recovery.
Turn Power Off To SaveBattery
Displayed when the battery management system detects anextended low-voltage condition. Various vehicle features willbe disabled to help preserve the battery. Turn off as many ofthe electrical loads as soon as possible to improve systemvoltage. If the system voltage has recovered, the disabledfeatures will operate again as normal.
Electrical Power SaverActive Some FeaturesTurned Off See Manual
ADJUSTING THE HEADLAMPS
Vertical Aim Adjustment
The headlamps on your vehicle areproperly aimed at the assembly plant. Ifyour vehicle has been in an accident,contact an authorized dealer to have yourvehicle headlamps checked for properalignment.
Headlamp Aiming Target
8 ft (2.4 m).A
Center height of lamp to ground.B
25 ft (7.6 m).C
Horizontal reference line.D
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12.Use the door handle as the upper lifthandle.
13.With the help of another person, liftthe door vertically to separate it fromthe vehicle.
Note:Use caution when removing the doorsas they are heavy.
Note:Store the doors out of the elementsto prevent damage.
14.To remove additional doors, repeatSteps 4–13.
15.Return the hex tool to the tool pouchand secure it in the vehicle.
16.Return mirrors to the driving position.
Note:When you remove the doors, the rearseat occupant alert no longer functions.
Note:When you remove the doors or whenyou have tube doors installed on the vehicle,a warning message related to the electricalsystem appears on the instrument clusterdisplay with each ignition cycle. Themessage no longer displays when all factorydoors are re-installed. If the messagepersists after you install all factory doors,check the wiring connectors on all the doorsto confirm that you properly connectedthem.
Installing the Doors
WARNING: Vehicle needs to beturned off before reconnecting doors toverify all electrical connections havebeen properly connected. Failure tofollow these instructions may affectsafety system performance, includingsafety canopy and front seat mountedside airbags, during a crash or rollover.
1.Switch your vehicle off.
2.Fold the mirrors toward the front of thevehicle before installing the front doors.
3.Inspect and clean debris from thebodyside and door hinges.
4.If you are using a storage bag, unzip itfar enough to allow access to thehinges.
5.Locate the fender and door protectorsin the tool pouch. Install one over thefender edge near the upper door hingeand the other on the door edge nearthe bottom door hinge.
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11.Hand start the hinge bolts to theupper and lower door hinges.
12.Use the hex tool to tighten the bolts.
Note:We recommend that you use a torquewrench to tighten the bolts to the required22 lb.ft (30 Nm) specification.
13.If using a storage bag, remove it fromthe door.
14.Open the harness connector door.
15.Insert the door harness into theconnector.
16.Open and close the installed door afew times to make sure you alignedit properly and that it operatesnormally.
17.To install additional doors, repeatSteps 3–16.
18.Close the doors and switch theignition on. Check for any warningmessages.
19.Return the mirrors to the drivingposition.
REMOVING AND INSTALLING THEDOORS - VEHICLES WITH: TUBEDOORS (If Equipped)
WARNING: Tube doors are foroff-road use only. Tube doors are notdesigned like factory doors. Occupantprotection, door system performance,and safety system performance,including safety canopy and front seatmounted side airbags, may be affectedduring a crash or rollover.
WARNING: Always keep hands,feet and other body parts inside thevehicle at all times.
Installing the Doors
1.If not already removed, remove thefactory doors. See Removing andInstalling the Doors (page 376).
Note:When you remove the doors, the rearseat occupant alert no longer functions.
2.Switch your vehicle off.
3.Fold the mirrors completely toward thefront of your vehicle before installingthe front doors.
4.Inspect and clean debris from thebodyside and door hinges.
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1.Loosen the upper and lower hingemounting bolts.
2.Add or remove shims as necessary toattain proper latch alignment, startwith no shims.
3.Tighten the upper and lower hingemounting bolts, but do not apply finaltorque.
4.Disengage the latch from the strikerand confirm proper alignment.
5.Tighten the upper and lower hingemounting bolts to 41 lb.ft (55 Nm).
Removing the Doors
WARNING: Removal of doors foroff-road use only. Removing the doorsfrom the vehicle will affect protectionprovided by the doors and may affectsafety system performance, includingsafety canopy and front seat mountedside airbags, during a crash or rollover.
1.Switch your vehicle off.
2.Fold the mirrors completely toward thefront of your vehicle before removingthe front doors.
3.Fully open the door you are removing.
4.Use the provided hex tool to loosenand remove the lower hinge bolt.
5.Loosen and remove the upper hingebolt.
Note:You can store the hinge bolts in thetool pouch zipped pocket, if needed.
6.Lift the door vertically to separate itfrom the vehicle.
Note:Use caution when removing the doorsas they are heavy.
Note:Store the doors in a secure area.
Note:Store the doors out of the elementsto prevent damage.
7.To remove additional doors, repeatSteps 3-6.
8.Return the hex tool to the tool kit andsecure the tool kit in the vehicle’scenter console.
9.Return the mirrors to the drivingposition.
Note:When you remove the doors, the rearseat occupant alert no longer functions.
Note:When you remove the doors or whenyou have tube doors installed on the vehicle,a warning message related to the electricalsystem appears on the instrument clusterdisplay with each ignition cycle. Themessage no longer displays when all factorydoors are re-installed. If the messagepersists after you install all factory doors,check the wiring connectors on all the doorsto confirm that you properly connectedthem.
Cleaning the Tube Doors
We recommend that you wash the tubedoors with mild soap and rinse with astandard pressure water hose. Whilerinsing, avoid spraying water directly ontothe latch mechanism. Dry with a microfibercloth or leave to air dry.
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If you intend on parking your vehicle for anextended period after cleaning the wheelswith a wheel cleaner, drive your vehicle fora few minutes before parking your vehicle.This reduces the risk of corrosion of thebrake discs, brake pads and linings.
Do not clean the wheels when they are hot.
Note: Some car washes could damagewheel rims and covers.
Note: Using non-recommended cleaners,harsh cleaning products, chrome wheelcleaners or abrasive materials coulddamage wheel rims and covers.
CLEANING THE ENGINECOMPARTMENT
Use a vacuum cleaner to remove debrisfrom the screen area below windshield.
Note:If you are not familiar with the partsaround the engine do not wash the enginecompartment. Avoid frequent enginewashes.
When washing the engine compartment:
•Never wash or rinse the engine while itis hot or running.
•Never wash or rinse any ignition coil,spark plug wire or spark plug well.
•Cover the battery, power distributionbox, and air filter assembly to preventwater damage.
Note:If your vehicle has an engine coverremove the cover before application ofshampoo and degreaser.
•Spray an approved engine shampooand degreaser on all parts that requirecleaning and rinse with water.
CLEANING THE CONVERTIBLETOP
Remove lint with a lint roller or vacuumwith a soft bristle brush.
Wash with an approved high qualityconvertible top cleaner and protectant.
Note:Do not use stiff bristle brushes,abrasive materials or household cleaningproducts.
Note:High pressure water may cause waterleaks and possible seal damage to theconvertible top.
Cleaning the Soft Top Windows
We recommend that you only clean thesoft top windows in the following way:
1.Use only a microfiber cloth, cold orlukewarm water, and a mild soap andwater solution to clean the soft topwindows in a circular motion.
2.Rinse thoroughly with cold water, thenwipe with a soft, damp cloth.
3.Use a small amount of soft top windowcleaner or equivalent to remove finescratches and to improve visibility andprovide UV protection to help preventyellowing.
4.For additional information andassistance, we recommend that youcontact an authorized dealer.
Note:Test any cleaner on an inconspicuousarea before applying broadly.
Note:Do not use hot water or anythingstronger than mild soap on the soft topwindow.
Note:Do not use solvents such as alcoholor harsh cleaning agents on the soft topwindow.
Note:Do not use a scraper or de-icingchemicals to remove frost, snow, or ice. Usewarm water only.
Note:Do not paste stickers, gummed labelsor any tape on the soft top window surface.
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ENGINE SPECIFICATIONS - 2.3L ECOBOOST™
SpecificationEngine
10.0:1Compression ratio.
138 in³ (2,261 cm³)Displacement.
1-3-4-2Firing order.
Coil on plugIgnition system.
0.028 in (0.7 mm) - 0.031 in (0.8 mm)Spark plug gap.
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ENGINE SPECIFICATIONS - 2.7L ECOBOOST™
SpecificationEngine
10.0:1Compression ratio.
165 in³ (2,700 cm³)Displacement.
1-4-2-5-3-6Firing order.
Coil on plugIgnition system.
0.028 in (0.7 mm) - 0.031 in (0.8 mm)Spark plug gap.
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ENGINE SPECIFICATIONS - 3.0L ECOBOOST™
SpecificationEngine
10.5:1Compression ratio.
180 in³ (2,956 cm³)Displacement.
1-4-2-5-3-6Firing order.
Coil on plugIgnition system.
0.028 in (0.7 mm) - 0.031 in (0.8 mm)Spark plug gap.
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WHAT ARE THE AUXILIARY
SWITCHES
The auxiliary switchboard on the overheadconsole makes aftermarket customizationeasier with six prewired switchesconnected to the power distribution box.Each circuit is individually fused forconnection of electrical accessories.
For maximum vehicle performance, keepthe following information in mind whenadding accessories or equipment to yourvehicle:
•When adding accessories, equipment,passengers and luggage to yourvehicle, do not exceed the total weightcapacity of the vehicle or of the frontor rear axle (GVWR or GAWR asindicated on the safety compliancecertification label). Ask an authorizeddealer for specific weight information.
•It is your responsibility to ensure thatany equipment you have fittedcomplies with applicable locallegislation.
•An authorized dealer needs to installmobile communication systems.Improper installation may harm theoperation of your vehicle, particularlyif the manufacturer did not design themobile communication systemspecifically for automotive use.
•If you or an authorized dealer add anyelectrical or electronic accessories orcomponents not produced by us toyour vehicle, you may adversely affectbattery performance and durability. Inaddition, you may also adversely affectthe performance of the other electricalsystems in the vehicle.
LOCATING THE AUXILIARY
SWITCHES
The switches are labeled AUX 1 throughAUX 6. They only operate when the ignitionis in the on position or in the off positionwhen Delay Accessory is active, whetherthe engine is running or not. Werecommend that you leave the enginerunning to maintain battery charge whenusing the switches for an extended time orwhen using higher current drawaccessories. When a switch is turned on,the indicator light on the switch illuminatesand the circuit provides power to thedevice wired to that switch.
LOCATING THE AUXILIARY
SWITCH WIRING
There are six powered circuits and fivenon-powered circuits.
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