engine JEEP CHEROKEE 2020 Owner handbook (in English)

187
F25B20 Amp Yellow –FT/RR Washer
F26 –30 Amp Pink Fuel Heater (Diesel)
(*)
F27 – – Not Used
F28 15 Amp Blue –Transmission Control Module (TCM/Shifter)
(*)
F29 – – Not Used
F30 10 Amp Red –Engine Control Module (ECM)/Electric Power
Steering (EPS)/Fuel Pump Relay Feed/Powertrain
Control Module (PCM)/Gas Particulate Filter (GPF) (*)
F31 – – Not Used
F32 – – Not Used
F33 – – Not Used
F34 – – Not Used
F35 – – Not Used
F36 – – Not Used
F37 – – Not Used
F38 –60 Amp Yellow Glow Plugs (Diesel)
(*)
F39 –40 Amp Green HVAC Blower Motor
(*)
F40 –20 Amp Blue Trailer Tow Park Light – If Equipped
F41 –50 Amp Red Voltage Stability Module (VSM) #1
(*)
Cavity Blade Fuse Cartridge Fuse Description
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IN CASE OF EMERGENCY
190
F6910 Amp Red –Transfer Case Switch (TSBM)/Active Grill Shutter
(AGS) – If Equipped With Gas Engine (*)
F70 5 Amp Tan –Intelligent Battery Sensor (IBS)
(*)
F71 – – Not Used
F72 10 Amp Red –Heated Mirrors (Gas) / PM Sensor (Diesel)
F73 –20 Amp Blue NOX Sensor #1 & #2 / Trailer Tow Backup (NAFTA
& Gas)(*)
F74 –30 Amp Pink Rear Defroster (EBL)

F75 20 Amp Yellow –Cigar Lighter – If Equipped
F76 20 Amp Yellow –Rear Differential Module (RDM) - If Equipped
(*)
F77 10 Amp Red –Hands Free Module, Brake Pedal Switch
(*)
F78 10 Amp Red –Diagnostic Port / Digital TV / TBM
(*)
F79 10 Amp Red –Integrated Center Stack (ICS)/Electric Park Brake
(EPB) SW/CD Module/Steering Control Module (SCCM)/HVAC/Instrument Panel Cluster (IPC) (*)
F80 20 Amp Yellow – Radio
CavityBlade Fuse Cartridge Fuse Description
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191
F81– –Customer Selectable Location For F91 Power
Outlet Feed(*)
F82 5 Amp Tan –Cybersecurity Gateway Module
(*)
F83 –20 Amp Blue
30 Amp Pink Engine Controller Module (Gas)
SCU Module (Diesel) (*)
F84 –30 Amp Pink Electric Park Brake (EPB) – Left
(*)
F85 15 Amp Blue –Heated Steering Wheel (CSWM)
F86 20 Amp Yellow – Horns
F87 – – Not Used
F88 10 Amp Red –Seat Belt Reminder (SBR)/Smart Camera
(*)
F89 15 Amp Blue –Auto Headlamp Leveling - If Equipped- Headlamp
F90 – – Not Used
F91 20 Amp Yellow –Power Outlet Rear – If Equipped / Customer
Selectable(*)
F92 – – Not Used
F93 –40 Amp Green Brake System Module (BSM) – Pump Motor
(*)
F94 –30 Amp Pink Electric Park Brake (EPB) – Right
(*)
Cavity Blade Fuse Cartridge Fuse Description
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IN CASE OF EMERGENCY
194
JACKING AND TIRE
CHANGING Jack Location/Spare Tire Stowage
The jack, wheel chocks, and spare tire are
stowed under the load floor behind the rear
seat.
1. Open the liftgate.
2. Lift the load floor handle, then lift accesscover to locate jack and tools.
Load Floor Handle
3. Remove the hook from the stowed posi -
tion on the back side of the load floor and
place the hook over the top body flange
and weather seal. This will hold the load
floor up while obtaining the jack and
spare tire.
4. Remove the fastener securing the jack and spare tire. Jack And Spare Tire Fastener
5. Remove the chocks.
6. Remove the scissors jack and wheel bolt wrench from the spare wheel as an
assembly. Turn the jack screw to the left
to loosen the wheel bolt wrench, and
remove the wrench from the jack
assembly.
Jack And Tool Assembly
WARNING!
Do not attempt to change a tire on the
side of the vehicle close to moving
traffic. Pull far enough off the road to
avoid the danger of being hit when oper -
ating the jack or changing the wheel.
Being under a jacked-up vehicle is
dangerous. The vehicle could slip off the
jack and fall on you. You could be
crushed. Never put any part of your body
under a vehicle that is on a jack. If you
need to get under a raised vehicle, take
it to a service center where it can be
raised on a lift.
Never start or run the engine while the
vehicle is on a jack.
The jack is designed to be used as a tool
for changing tires only. The jack should
not be used to lift the vehicle for service
purposes. The vehicle should be jacked
on a firm level surface only. Avoid ice or
slippery areas.
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195(Continued)
NOTE:
The jack handle attaches to the side of the
jack with two attachment points. When the
jack is partially expanded, the tension
between the two attachment points holds the
jack handle in place.
7. Remove the spare tire.
Preparations For Jacking
1. Park the vehicle on a firm level surface asfar from the edge of the roadway as
possible. Avoid icy or slippery areas. 2. Turn on the Hazard Warning flasher.
3. Apply the parking brake.
4. Place the gear selector into PARK (P)
(automatic transmission) or REVERSE
(R) (manual transmission).
5. Turn the ignition OFF.
6. Chock both the front and rear of the wheel diagonally opposite of the jacking
position. For example, if changing the
right front tire, chock the left rear wheel.
Wheel Chocks NOTE:
Passengers should not remain in the vehicle
when the vehicle is being raised or lifted.
Jacking Instructions
WARNING!
A loose tire or jack thrown forward in a
collision or hard stop could endanger the
occupants of the vehicle. Always stow the
jack parts and the spare tire in the places
provided. Have the deflated (flat) tire
repaired or replaced immediately.
WARNING!
Do not attempt to change a tire on the side
of the vehicle close to moving traffic. Pull
far enough off the road to avoid being hit
when operating the jack or changing the
wheel.
WARNING!
Carefully follow these tire changing
warnings to help prevent personal injury or
damage to your vehicle:
Always park on a firm, level surface as
far from the edge of the roadway as
possible before raising the vehicle.
Turn on the Hazard Warning flasher.
Chock the wheel diagonally opposite the
wheel to be raised.
Apply the parking brake firmly and set an
automatic transmission in PARK; a
manual transmission in REVERSE.
Never start or run the engine with the
vehicle on a jack.
Do not let anyone sit in the vehicle when
it is on a jack.
Do not get under the vehicle when it is
on a jack. If you need to get under a
raised vehicle, take it to a service center
where it can be raised on a lift.
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IN CASE OF EMERGENCY
202
Jack Usage Precautions
To complete the Use and Maintenance
Handbook to which this supplement is
attached, given below are some instructions
on the proper use of the jack.MaintenanceMake sure grime does not build up on the
“worm screw.”
Keep the “worm screw” lubricated.
Never modify the jack.
Conditions Of Non-Use:
Temperatures below −40°F (-40°C).
On sandy or muddy ground.
On uneven ground.
On steep roads.
In extreme weather conditions: thunder -
storms, typhoons, hurricanes, blizzards,
storms, etc.
NOTE:
The jack requires no adjustment.
The jack cannot be repaired, and in the
event of a fault, it must be replaced by
another genuine one.
No tool other than its cranking device may
be fitted on the jack.
WARNING!
When using the crank, make sure it turns
freely without the risk of scraping hands
against the ground.
Even the moving parts of the jack, the
“worm screw” and joints can cause
injuries: avoid contact with them. Clean it
thoroughly if dirtied with grease.
CAUTION!
The jack is a tool designed exclusively for
changing a wheel, in case of a puncture or
damage to a tire of the vehicle on which it
is fitted or on vehicles of the same model.
Any other use, e.g. to jack up other vehicle
models or different things, is strictly
prohibited. Never use it to carry out
maintenance or repairs under the vehicle
or to change summer/winter wheels and
vice versa. Never go under the raised
vehicle. If any work under the vehicle is
necessary, contact an authorized dealer.
Incorrect placing of the jack can cause the
vehicle to drop: use it only in the positions
indicated. Do not use the jack for loads
higher than that specified on the label.
Never start the engine with vehicle raised.
If the vehicle is raised more than
necessary, everything can become more
unstable, with the risk of the vehicle
dropping violently. Therefore raise the
vehicle only as much as necessary for the
wheel/spare.
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IN CASE OF EMERGENCY
206
3. Place the transmission in PARK (P) (autotransmission) or in Gear (manual trans -
mission) and place the ignition in the
OFF position.
4. Apply the parking brake.
(B) Setting Up To Use Tire Service Kit:
1. Push in the Mode Select Knob and turn to the Sealant Mode position.
2. Uncoil the Sealant Hose and then remove the cap from the fitting at the end of the
hose.
3. Place the Tire Service Kit flat on the ground next to the deflated tire.
4. Remove the cap from the valve stem and then screw the fitting at the end of the
Sealant Hose onto the valve stem.
5. Uncoil the Power Plug and insert the plug into the vehicle’s 12 Volt power outlet.
NOTE:
Do not remove foreign objects (e.g., screws
or nails) from the tire.
(C) Injecting Tire Service Kit Sealant Into
The Deflated Tire:
Always start the engine before turning ON
the Tire Service Kit.
NOTE:
Manual transmission vehicles must have the
parking brake engaged and the gear selector
in NEUTRAL.
After pushing the Power Button, the
sealant (white fluid) will flow from the
Sealant Bottle through the Sealant Hose
and into the tire.
NOTE:
Sealant may leak out through the puncture in
the tire. If the sealant (white fluid) does not flow within
0 – 10 seconds through the Sealant Hose:
1. Push the Power Button to turn Off the
Tire Service Kit. Disconnect the Sealant
Hose from the valve stem. Make sure the
valve stem is free of debris. Reconnect
the Sealant Hose to the valve stem.
Check that the Mode Select Knob is in
the Sealant Mode position and not Air
Mode. Push the Power Button to turn On
the Tire Service Kit.

2. Connect the Power Plug to a different 12 Volt power outlet in your vehicle or another
vehicle, if available. Make sure the engine is
running before turning ON the Tire Service
Kit.

3. The Sealant Bottle may be empty due to previous use. Call for assistance.
NOTE:
If the Mode Select Knob is on Air Mode and
the pump is operating, air will dispense from
the Air Pump Hose only, not the Sealant
Hose.
If the sealant (white fluid) does flow through the
Sealant Hose: 1. Continue to operate the pump until
sealant is no longer flowing through the
hose (typically takes 30 - 70 seconds). As the sealant flows through the Sealant
Hose, the Pressure Gauge can read as
high as 70 psi (4.8 Bar). The Pressure
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IN CASE OF EMERGENCY
210
(Continued)
Preparations For Jump Start
The battery in your vehicle is located in the
front of the engine compartment, behind the
left headlight assembly.Positive Battery Post NOTE:
Never use a fast battery charger to start the
engine, as this could damage the electronic
systems of your vehicle, particularly the igni
-
tion and engine fuel supply control units.
1. Apply the parking brake, shift the auto -
matic transmission into PARK (manual
transmission in NEUTRAL) and turn the
ignition OFF.
2. Turn off the heater, radio, and all unnec -
essary electrical accessories.
3. If using another vehicle to jump start the battery, park the vehicle within the
jumper cables reach, apply the parking
brake and make sure the ignition is OFF.
Jump Starting Procedure
WARNING!
Take care to avoid the radiator cooling
fan whenever the hood is raised. It can
start anytime the ignition switch is ON.
You can be injured by moving fan blades.
Remove any metal jewelry such as rings,
watch bands and bracelets that could
make an inadvertent electrical contact.
You could be seriously injured.
Batteries contain sulfuric acid that can
burn your skin or eyes and generate
hydrogen gas which is flammable and
explosive. Keep open flames or sparks
away from the battery.
WARNING! (Continued) WARNING!

Do not allow vehicles to touch each other as
this could establish a ground connection and
personal injury could result.

WARNING!
Failure to follow this jump starting
procedure could result in personal injury or
property damage due to battery explosion.
CAUTION!
Failure to follow these procedures could
result in damage to the charging system of
the booster vehicle or the discharged
vehicle.
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211
Connecting The Jumper Cables
1. Connect the positive (+) end of the
jumper cable to the positive (+) post of
the discharged vehicle.

2. Connect the opposite end of the positive (+)
jumper cable to the positive (+) post of the
booster battery.

3. Connect the negative (-) end of the
jumper cable to the negative (-) post of
the booster battery.
4. Connect the opposite end of the negative (-) jumper cable to a good engine ground
(exposed metal part of the discharged
vehicle’s engine) away from the battery
and the fuel injection system. 5. Start the engine in the vehicle that has
the booster battery, let the engine idle for
a few minutes, and then start the engine
in the vehicle with the discharged
battery.
6. Once the engine is started, remove the jumper cables in the reverse sequence.
Disconnecting The Jumper Cables
1. Disconnect the negative (-) end of the
jumper cable from the engine ground of
the vehicle with the discharged battery.
2. Disconnect the opposite end of the nega -
tive (-) jumper cable from the negative (-)
post of the booster battery.
3. Disconnect the positive (+) end of the
jumper cable from the positive (+) post of
the booster battery. 4. Disconnect the opposite end of the posi
-
tive (+) jumper cable from the positive
(+) post of the vehicle with the
discharged battery.
If frequent jump starting is required to start
your vehicle, you should have the battery and
charging system inspected at an authorized
dealer.
WARNING!
Do not connect the jumper cable to the
negative (-) post of the discharged battery.
The resulting electrical spark could cause
the battery to explode and could result in
personal injury. Only use the specific
ground point, do not use any other
exposed metal parts.
CAUTION!
Accessories plugged into the vehicle power
outlets draw power from the vehicle’s
battery, even when not in use (i.e., cellular
devices, etc.). Eventually, if plugged in
long enough without engine operation, the
vehicle’s battery will discharge sufficiently
to degrade battery life and/or prevent the
engine from starting.
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IN CASE OF EMERGENCY
212

REFUELING IN EMERGENCY —
IF EQUIPPED

The fuel filling procedure in case of emer-
gency is described in the “Emergency Gas
Can Refueling”. Refer to “Refueling The
Vehicle” in “Starting And Operating” for
further information.
The vehicle is equipped with a refueling
funnel. If refueling is necessary, while using
an approved gas can, please insert the refu -
eling funnel into the filler neck opening.
Refueling Funnel Inserting Funnel
IF YOUR ENGINE
OVERHEATS
In any of the following situations, you can
reduce the potential for overheating your
engine by taking the appropriate action.
On the highways — slow down.
In city traffic — while stopped, place the
transmission in NEUTRAL, but do not
increase engine idle speed.
NOTE:
There are steps that you can take to slow
down an impending overheat condition:
If your Air Conditioner (A/C) is on, turn it
off. The A/C system adds heat to the
engine cooling system and turning the A/C
off can help remove this heat.
CAUTION!
Driving with a hot cooling system could
damage your vehicle. If the temperature
gauge reads “H,” pull over and stop the
vehicle. Idle the vehicle with the air
conditioner turned off until the pointer
drops back into the normal range. If the
pointer remains on the “H” and you hear
continuous chimes, turn the engine off
immediately and call for service.
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