Jeep Wrangler JK (2018 year). Instruction — part 22
Totally Integrated Power Module
The Totally Integrated Power Module is located in the
engine compartment near the battery. This center contains
cartridge fuses, mini fuses, and relays. A label that identi-
fies each component is printed on the inside of the cover.
Cavity
Cartridge Fuse
Mini Fuse
Description
J1
–
–
–
J2
30 Amp Pink
–
Transfer Case Module
J3
–
–
–
J4
25 Amp Clear
–
Driver Door Node
J5
25 Amp Clear
–
Passenger Door Node
J6
40 Amp Green
–
Anti-Lock Brake System (ABS) Pump/
Stability Control System
J7
30 Amp Pink
–
Anti-Lock Brake System (ABS) Valve/
Stability Control System
J8
–
–
–
Totally Integrated Power Module
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Cavity
Cartridge Fuse
Mini Fuse
Description
J9
40 Amp Green
–
PZEV Sec Motor/Flex Fuel – If Equipped
J10
30 Amp Pink
–
Headlamp Wash Relay/Manifold Tuning
Valve
J11
30 Amp Pink
–
Sway Bar
J12
–
–
–
J13
60 Amp Yellow
–
Ignition Off Draw (IOD) – Main
J14
40 Amp Green
–
Rear Defroster
J15
40 Amp Green
–
Front Blower
J17
40 Amp Green
–
Starter Solenoid
J18
20 Amp Blue
–
Powertrain Control Module (PCM) Trans
Range
J19
60 Amp Yellow
–
Radiator Fan
J20
30 Amp Pink
–
Front Wiper LO/HI
J21
20 Amp Blue
–
Front/Rear Washer
J22
–
–
Spare
M1
–
15 Amp Blue
Center High-Mounted Stop Light (CHMSL)/
Switch Stop Lamp Feed
M2
–
20 Amp Yellow
Relay Trailer Lighting (Stop lamp)
M3
–
20 Amp Yellow
Front/Rear Axle Locker Relay
M4
–
2 Amp Grey
Clock Spring
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IN CASE OF EMERGENCY
Cavity
Cartridge Fuse
Mini Fuse
Description
M5
–
25 Amp Clear
Power Inverter – If Equipped
M6
–
20 Amp Yellow
Power Outlet #1/Rain Sensor
M7
–
20 Amp Yellow
Power Outlet #2 (BATT/ACC SELECT)
M8
–
20 Amp Yellow
Front Heated Seat
M9
–
20 Amp Yellow
Rear Heated Seat – If Equipped
M10
–
15 Amp Blue
Ignition Off Draw – Vehicle Entertainment
System, Satellite Digital Audio Receiver
(SDARS), DVD, Hands-Free Module, RA-
DIO, Antenna, Universal Garage Door
Opener, Vanity Lamp
M11
–
10 Amp Red
(Ignition Off Draw) Climate Control System,
Underhood Lamp
M12
–
30 Amp Green
Amplifier
M13
–
20 Amp Yellow
Ignition Off Draw – Cabin Compartment
Node, Wireless Control Module, SIREN,
Multifunction Control Switch
M14
–
20 Amp Yellow
Trailer Tow (Export Only)
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Cavity
Cartridge Fuse
Mini Fuse
Description
M15
–
20 Amp Yellow
Climate Control System, Rear View Mirror,
Cabin Compartment Node, Transfer Case
Switch, Multi-Function Control Switch, Tire
Pressure Monitor, Glow Plug Module – Ex-
port Diesel Only
M16
–
10 Amp Red
Airbag Module
M17
–
15 Amp Blue
Left Tail/License/Park Lamp
M18
–
15 Amp Blue
Right Tail/Park/Run Lamp
M19
–
25 Amp Clear
Auto Shut Down (ASD #1 and #2)
M20
–
15 Amp Blue
Cabin Compartment Node Interior Light,
Switch Bank
M21
–
20 Amp Yellow
Auto Shut Down (ASD #3)
M22
–
10 Amp Red
Right Horn (HI/LOW)
M23
–
10 Amp Red
Left Horn (HI/LOW)
M24
–
25 Amp Clear
Rear Wiper
M25
–
20 Amp Yellow
Fuel Pump, Diesel Lift Pump – Export Only
M26
–
10 Amp Red
Power Window Switch, Driver Window
Switch
M27
–
10 Amp Red
Ignition Switch Feed, Wireless Module
M28
–
10 Amp Red
Powertrain Control Module
M29
–
10 Amp Red
Powertrain
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Cavity
Cartridge Fuse
Mini Fuse
Description
M30
–
15 Amp Blue
Wiper Motor Frt, J1962 Diagnostic Feed
M31
–
20 Amp Yellow
Backup Lamps
M32
–
10 Amp Red
Airbag Controller, TT EUROPE
M33
–
10 Amp Red
Powertrain Controller
M34
–
10 Amp Red
Park Assist, Climate Control System, Head-
lamp Wash, Compass
M35
–
10 Amp Red
Heated Mirrors
M36
–
20 Amp Yellow
Power Outlet
M37
–
10 Amp Red
Anti-Lock Brake System, Electronic Stability
Control, Stop Lamp Switch, Fuel Pump Re-
lay
M38
–
25 Amp Clear
Lock/Unlock Motors
CAUTION!
• When installing the Integrated Power Module cover,
it is important to ensure the cover is properly posi-
tioned and fully latched. Failure to do so may allow
water to get into the Integrated Power Module, and
possibly result in an electrical system failure.
(Continued)
CAUTION! (Continued)
• When replacing a blown fuse, it is important to use
only a fuse having the correct amperage rating. The
use of a fuse with a rating other than indicated may
result in a dangerous electrical system overload. If a
properly rated fuse continues to blow, it indicates a
problem in the circuit that must be corrected.
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JACKING AND TIRE CHANGING
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
operating 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.
Jack Location
The jack and lug wrench are located in the rear storage
compartment.
NOTE:
Turn the black plastic wing nut counterclockwise to
loosen the jack from the storage bin.
Jack Storage
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IN CASE OF EMERGENCY
Spare Tire Removal
To remove the spare tire from the carrier, remove the tire
cover, if equipped, and remove the lug nuts with the lug
wrench turning them counterclockwise.
NOTE:
If you have added aftermarket accessories to the
spare tire mounted carrier, it cannot exceed a gross weight
of 85 lbs (38.5 kg) including the weight of the spare tire.
Preparations For Jacking
1. Park on a firm, level surface. Avoid ice or slippery areas.
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.
2. Turn on the Hazard Warning flasher.
3. Apply the parking brake.
4. Shift the automatic transmission into PARK, or a manual
transmission into REVERSE.
5. Turn the ignition to LOCK.
6. Block both the front and rear of the wheel diagonally
opposite the jacking position. For example, if the right
front wheel is being changed, block the left rear wheel.
NOTE:
Passengers should not remain in the
vehicle when the vehicle is being jacked.
Plastic Wing Nut Location
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Jacking Instructions
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.
• Block the wheel diagonally opposite the wheel to be
raised.
• Set 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 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.
• Only use the jack in the positions indicated and for
lifting this vehicle during a tire change.
• If working on or near a roadway, be extremely
careful of motor traffic.
(Continued)
WARNING! (Continued)
• To assure that spare tires, flat or inflated, are securely
stowed, spares must be stowed with the valve stem
facing the ground.
CAUTION!
Do not attempt to raise the vehicle by jacking on
locations other than those indicated.
Jack Warning Label
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IN CASE OF EMERGENCY
1. Remove the spare tire, jack and tools from the stored
location.
2. Loosen (but do not remove) the wheel lug nuts by
turning them to the left one turn while the wheel is still
on the ground.
3. Assemble the jack and jacking tools. Connect the jack
handle driver to the extension, then to the lug wrench.
4. Operate the jack from the front or the rear of the vehicle.
Place the jack under the axle tube, as shown. Do not
raise the vehicle until you are sure the jack is fully
engaged.
5. Raise the vehicle by turning the jack screw clockwise.
Raise the vehicle only until the tire just clears the surface
and enough clearance is obtained to install the spare tire.
Minimum tire lift provides maximum stability.
WARNING!
Raising the vehicle higher than necessary can make the
vehicle less stable. It could slip off the jack and hurt
someone near it. Raise the vehicle only enough to
remove the tire.
Front Jacking Location
Rear Jacking Location
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6. Remove the lug nuts and wheel.
7. Position the spare wheel/tire on the vehicle and install
the lug nuts with the cone-shaped end toward the
wheel. Lightly tighten the lug nuts clockwise.
WARNING!
To avoid the risk of forcing the vehicle off the jack, do
not tighten the wheel nuts fully until the vehicle has
been lowered. Failure to follow this warning may
result in serious injury.
8. Lower the vehicle by turning the jack screw to the left,
and remove the jack.
9. Finish tightening the lug nuts. Push down on the
wrench while tightening for increased leverage. Alter-
nate nuts until each nut has been tightened twice. Refer
to “Torque Specifications” in “Technical Specifications”
for correct lug nut torque.
10. Remove the jack assembly and wheel blocks.
11. Secure the tire, jack, and tools in their proper locations.
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.
Road Tire Installation
1. Mount the road tire on the axle.
2. Install the remaining lug nuts with the cone shaped end
of the nut toward the wheel. Lightly tighten the lug
nuts.
WARNING!
To avoid the risk of forcing the vehicle off the jack, do
not tighten the wheel nuts fully until the vehicle has
been lowered. Failure to follow this warning may
result in serious injury.
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IN CASE OF EMERGENCY
3. Lower the vehicle to the ground by turning the jack
handle counterclockwise.
4. Finish tightening the lug nuts. Push down on the
wrench while at the end of the handle for increased
leverage. Tighten the lug nuts in a star pattern until each
nut has been tightened twice. For the correct lug nut
torque refer to “Torque Specifications” in “Technical
Specifications”. If in doubt about the correct tightness,
have them checked with a torque wrench by your
authorized dealer or service station.
5. After 25 miles (40 km), check the lug nut torque with a
torque wrench to ensure that all lug nuts are properly
seated against the wheel.
JUMP STARTING
If your vehicle has a discharged battery, it can be jump
started using a set of jumper cables and a battery in another
vehicle, or by using a portable battery booster pack. Jump
starting can be dangerous if done improperly, so please
follow the procedures in this section carefully.
WARNING!
Do not attempt jump starting if the battery is frozen. It
could rupture or explode and cause personal injury.
CAUTION!
Do not use a portable battery booster pack or any other
booster source with a system voltage greater than 12
Volts or damage to the battery, starter motor, alternator
or electrical system may occur.
NOTE:
When using a portable battery booster pack, follow
the manufacturer’s operating instructions and precautions.
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Preparations For Jump Start
The battery in your vehicle is located in the right rear of the
engine compartment, behind the Power Distribution Cen-
ter.
1 — Positive Battery Post
2 — Negative Battery Post
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.
1. Apply the parking brake, shift the automatic transmis-
sion into PARK (manual transmission in NEUTRAL)
and turn the ignition to LOCK.
2. Turn off the heater, radio, and all unnecessary electrical
accessories.
3. If using another vehicle to jump start the battery, park
the vehicle within the jumper cables reach, set the
parking brake and make sure the ignition is OFF.
Battery Posts
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IN CASE OF EMERGENCY
WARNING!
Do not allow vehicles to touch each other as this could
establish a ground connection and personal injury
could result.
Jump Starting Procedure
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.
NOTE:
Make sure at all times that unused ends of jumper
cables are not contacting each other or either vehicle while
making connections.
Connecting The Jumper Cables
1. Connect the positive (+) end of the jumper cable to the
remote 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.
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.
5. Start the engine in the vehicle that has the booster
battery, let the engine idle a few minutes, and then start
the engine in the vehicle with the discharged battery.
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351
CAUTION!
Do not run the booster vehicle engine above 2000 rpm
since it provides no charging benefit, wastes fuel and
can damage booster vehicle engine.
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 negative (-) 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 positive (+) jumper
cable from the remote positive (+) post of the discharged
vehicle.
5. Reinstall the protective cover over the remote positive
(+)
post of the discharged vehicle.
If frequent jump starting is required to start your vehicle
you should have the battery and charging system tested at
an authorized dealer.
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.
IF YOUR ENGINE OVERHEATS
In any of the following situations, you can reduce the
potential for overheating by taking the appropriate action.
• On the highways — slow down.
• In city traffic — while stopped, shift transmission into
NEUTRAL, but do not increase engine idle speed.
CAUTION!
Driving with a hot cooling system could damage your
vehicle. If the temperature gauge reads HOT (H), pull
(Continued)
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IN CASE OF EMERGENCY
CAUTION! (Continued)
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 HOT
(H), and you hear continuous chimes, turn the engine
off immediately and call for service.
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.
• You can also turn the temperature control to maximum
heat, the mode control to floor and the blower control to
high. This allows the heater core to act as a supplement
to the radiator and aids in removing heat from the
engine cooling system.
WARNING!
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If you
see or hear steam coming from under the hood, do not
(Continued)
WARNING! (Continued)
open the hood until the radiator has had time to cool.
Never try to open a cooling system pressure cap when
the radiator or coolant bottle is hot.
GEAR SELECTOR OVERRIDE
If a malfunction occurs and the gear selector cannot be
moved out of the PARK position, you can use the following
procedure to temporarily move the gear selector:
1. Turn the engine OFF.
2. Firmly apply the parking brake.
3. Using a small screwdriver or similar tool, remove the
gear selector override access cover (located to the right
of the gear selector).
4. Turn the ignition to the ACC or ON/RUN position, but
do not start the engine.
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5. Press and maintain firm pressure on the brake pedal.
6. Insert the screwdriver or similar tool into the access
port, and push and hold the override release lever
down.
7. Move the gear selector to the NEUTRAL position.
8. The vehicle may then be started in NEUTRAL.
9. Reinstall the gear selector override access cover.
FREEING A STUCK VEHICLE
If your vehicle becomes stuck in mud, sand or snow, it can
often be moved using a rocking motion. Turn the steering
wheel right and left to clear the area around the front
wheels. Then, shift back and forth between DRIVE and
REVERSE (with automatic transmission) or SECOND
GEAR and REVERSE (with manual transmission), while
gently pressing the accelerator. Use the least amount of
accelerator pedal pressure that will maintain the rocking
motion, without spinning the wheels or racing the engine.
CAUTION!
Racing the engine or spinning the wheels may lead to
transmission overheating and failure. Allow the en-
gine to idle with the transmission in NEUTRAL for at
least one minute after every five rocking-motion
cycles. This will minimize overheating and reduce the
risk of clutch or transmission failure during prolonged
efforts to free a stuck vehicle.
Gear Selector Override Access Cover
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IN CASE OF EMERGENCY
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