2023 JEEP CHEROKEE sensor

168SAFETY
Driver And Passenger Front Air Bag
Features
The Advanced Front Air Bag system has multistage driver
and front passenger air bags. This system provides output
appropriate to the severity and type of collision as
determined by the Occupant Restraint Controller (ORC),
which may receive information from the front impact
sensors (if equipped) or other system components.
The first stage inflator is triggered immediately during an
impact that requires air bag deployment. A low energy
output is used in less severe collisions. A higher energy
output is used for more severe collisions.
This vehicle may be equipped with a driver and/or front
passenger seat belt buckle switch that detects whether
the driver or front passenger seat belt is buckled. The seat
belt buckle switch may adjust the inflation rate of the
Advanced Front Air Bags.
This vehicle may be equipped with driver and/or front
passenger seat track position sensors that may adjust the
inflation rate of the Advanced Front Air Bags based upon
seat position. This vehicle is equipped with a right front passenger
Occupant Classification System (“OCS”) that is designed
to provide Passenger Advanced Front Air Bag output
appropriate to the occupant’s seated weight input, as
determined by the OCS.
Front Air Bag Operation
Front Air Bags are designed to provide additional
protection by supplementing the seat belts. Front air bags
are not expected to reduce the risk of injury in rear, side,
or rollover collisions. The front air bags will not deploy in all
frontal collisions, including some that may produce
substantial vehicle damage — for example, some pole
collisions, truck underrides, and angle offset collisions.
On the other hand, depending on the type and location of
impact, front air bags may deploy in crashes with little
vehicle front-end damage but that produce a severe initial
deceleration.
Because air bag sensors measure vehicle deceleration
over time, vehicle speed and damage by themselves are
not good indicators of whether or not an air bag should
have deployed.
Seat belts are necessary for your protection in all
collisions, and also are needed to help keep you in
position, away from an inflating air bag.
When the Occupant Restraint Controller (ORC) detects a
collision requiring the front air bags, it signals the inflator
units. A large quantity of non-toxic gas is generated to
inflate the front air bags.
The steering wheel hub trim cover and the upper
passenger side of the instrument panel separate and fold
out of the way as the air bags inflate to their full size. The
front air bags fully inflate in less time than it takes to blink
your eyes. The front air bags then quickly deflate while
helping to restrain the driver and front passenger.

Never install a rear-facing child restraint in the front
seat of a vehicle. Only use a rear-facing child
restraint in the rear seat. If the vehicle does not have
a rear seat, do not transport a rear-facing child
restraint in that vehicle.WARNING!
WARNING!
No objects should be placed over or near the air bag
on the instrument panel or steering wheel because
any such objects could cause harm if the vehicle is in
a collision severe enough to cause the air bag to
inflate.
 Do not put anything on or around the air bag covers
or attempt to open them manually. You may damage
the air bags and you could be injured because the air
bags may no longer be functional. The protective
covers for the air bag cushions are designed to open
only when the air bags are inflating.
 Relying on the air bags alone could lead to more
severe injuries in a collision. The air bags work with
your seat belt to restrain you properly. In some colli -
sions, air bags won’t deploy at all. Always wear your
seat belts even though you have air bags.

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SAFETY169
Occupant Classification System (OCS) —
Front Passenger Seat
The Occupant Classification System (OCS) is part of a
Federally regulated safety system for this vehicle. It is
designed to provide Passenger Advanced Front Air Bag
output appropriate to the occupant’s seated weight, as
determined by the OCS.
The Occupant Classification System (OCS) consists of the
following:
Occupant Restraint Controller (ORC)
 Occupant Classification Module (OCM) and Sensor
located in the front passenger seat
 Air Bag Warning Light
Occupant Classification Module (OCM) And Sensor
The Occupant Classification Module (OCM) is located
underneath the front passenger seat. The Sensor is
located beneath the passenger seat cushion foam. Any
weight on the seat will be sensed by the Sensor. The OCM
uses input from the Sensor to determine the front
passenger’s most probable classification. The OCM
communicates this information to the ORC. The ORC may
reduce the inflation rate of the Passenger Advanced Front
Air Bag deployment based on occupant classification. In
order for the OCS to operate as designed, it is important
for the front passenger to be seated properly and properly
wearing the seat belt. The OCS will NOT prevent deployment of the Passenger
Advanced Front Air Bag. The OCS may reduce the inflation
rate of the Passenger Advanced Front Air Bag if the OCS
estimates that:

The front passenger seat is unoccupied or has very
light objects on it; or
 The front passenger seat is occupied by a small
passenger, including a child; or
 The front passenger seat is occupied by a rear-facing
child restraint; or
 The front passenger is not properly seated or his or her
weight is taken off of the seat for a period of time.
* It is possible for a child to be classified as an adult, allowing
a full-power Passenger Advanced Front Air Bag deployment.
Never allow children to ride in the front passenger seat and
never install a child restraint system, including a rear-facing
child restraint, in the front passenger seat.
The OCS determines the front passenger’s most probable
classification. The OCS estimates the seated weight on the
front passenger seat and where that weight is located. The
OCS communicates the classification status to the ORC.
The ORC uses the classification to determine whether the
Passenger Advanced Front Air Bag inflation rate should be
adjusted.
Front Passenger Seat
Occupant Status Front Passenger Air Bag
Output
Rear-facing child restraint Reduced-power
deployment
Child, including a child in a forward-facing child
restraint or booster seat* Reduced-power
deployment OR Full-power deployment
Properly seated adult Full-power deployment OR
reduced-power deployment
Unoccupied seat Reduced-power
deployment
WARNING!
 Never place a rear-facing child restraint in front of an
air bag. A deploying passenger front air bag can
cause death or serious injury to a child 12 years or
younger, including a child in a rear-facing child
restraint.
 Never install a rear-facing child restraint in the front
seat of a vehicle. Only use a rear-facing child
restraint in the rear seat. If the vehicle does not have
a rear seat, do not transport a rear-facing child
restraint in that vehicle.
 Children 12 years or younger should always ride
buckled up in the rear seat of a vehicle with a rear
seat.
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SAFETY173
Supplemental Side Air Bag Inflatable Curtains (SABICs)
This vehicle is equipped with Supplemental Side Air Bag
Inflatable Curtains (SABICs).
Supplemental Side Air Bag Inflatable Curtains (SABICs)
are located above the side windows. The trim covering the
SABICs is labeled “SRS AIRBAG” or “AIRBAG.”

Supplemental Side Air Bag Inflatable Curtain (SABIC)
Label Location

SABICs may help reduce the risk of head and other injuries
to front and rear seat outboard occupants in certain side
impacts, in addition to the injury reduction potential
provided by the seat belts and body structure.
The SABIC deploys downward, covering the side windows.
An inflating SABIC pushes the outside edge of the
headliner out of the way and covers the window. The
SABICs inflate with enough force to injure occupants if
they are not belted and seated properly, or if items are
positioned in the area where the SABICs inflate. Children
are at an even greater risk of injury from a deploying air
bag. The SABICs may help reduce the risk of partial or complete
ejection of vehicle occupants through side windows in
certain side impact events.
Side Impacts
The Side Air Bags are designed to activate in certain side
impacts. The Occupant Restraint Controller (ORC)
determines whether the deployment of the Side Air Bags
in a particular impact event is appropriate, based on the
severity and type of collision. The side impact sensors aid
the ORC in determining the appropriate response to
impact events. The system is calibrated to deploy the Side
Air Bags on the impact side of the vehicle during impacts
that require Side Air Bag occupant protection. In side
impacts, the Side Air Bags deploy independently; a left
side impact deploys the left Side Air Bags only and a
right-side impact deploys the right Side Air Bags only.
Vehicle damage by itself is not a good indicator of whether
or not Side Air Bags should have deployed.
The Side Air Bags will not deploy in all side collisions,
including some collisions at certain angles, or some side
collisions that do not impact the area of the passenger
compartment. The Side Air Bags may deploy during angled
or offset frontal collisions where the front air bags deploy.
Side Air Bags are a supplement to the seat belt restraint
system. Side Air Bags deploy in less time than it takes to
blink your eyes.
WARNING!

Do not mount equipment, or stack luggage or other
cargo up high enough to block the deployment of the
SABICs. The trim covering above the side windows
where the SABIC and its deployment path are located
should remain free from any obstructions.
 In order for the SABICs to work as intended, do not
install any accessory items in your vehicle which
could alter the roof. Do not add an aftermarket
sunroof to your vehicle. Do not add roof racks that
require permanent attachments (bolts or screws) for
installation on the vehicle roof. Do not drill into the
roof of the vehicle for any reason.
WARNING!
Occupants, including children, who are up against or
very close to Side Air Bags can be seriously injured or
killed. Occupants, including children, should never
lean on or sleep against the door, side windows, or
area where the side air bags inflate, even if they are
in an infant or child restraint.
 Seat belts (and child restraints where appropriate)
are necessary for your protection in all collisions.
They also help keep you in position, away from an
inflating Side Air Bag. To get the best protection from
the Side Air Bags, occupants must wear their seat
belts properly and sit upright with their backs against
the seats. Children must be properly restrained in a
child restraint or booster seat that is appropriate for
the size of the child.
6

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174SAFETY
NOTE:Air bag covers may not be obvious in the interior trim, but
they will open during air bag deployment.
Rollover Events
Side Air Bags and seat belt pretensioners are designed to
activate in certain rollover events. The Occupant Restraint
Controller (ORC) determines whether deployment in a
particular rollover event is appropriate, based on the
severity and type of collision. Vehicle damage by itself is
not a good indicator of whether or not Side Air Bags and
seat belt pretensioners should have deployed.
The Side Air Bags and seat belt pretensioners will not
deploy in all rollover events. The rollover sensing system
determines if a rollover event may be in progress and
whether deployment is appropriate. In the event the
vehicle experiences a rollover or near rollover event, and deployment is appropriate, the rollover sensing system will
deploy the side air bags and seat belt pretensioners on
both sides of the vehicle.
The SABICs may help reduce the risk of partial or complete
ejection of vehicle occupants through side windows in
certain rollover or side impact events.
Air Bag System Components
NOTE:The Occupant Restraint Controller (ORC) monitors the
internal circuits and interconnecting wiring associated
with electrical Air Bag System Components listed below:

Occupant Restraint Controller (ORC)
 Air Bag Warning Light
 Steering Wheel and Column
 Instrument Panel
 Knee Impact Bolsters
 Driver and Front Passenger Air Bags
 Seat Belt Buckle Switch
 Supplemental Side Air Bags
 Supplemental Knee Air Bags
 Front and Side Impact Sensors
 Seat Belt Pretensioners
 Seat Track Position Sensors
 Occupant Classification System
If A Deployment Occurs
The front air bags are designed to deflate immediately
after deployment.
NOTE:Front and/or side air bags will not deploy in all collisions.
This does not mean something is wrong with the air bag
system.
If you do have a collision which deploys the air bags, any
or all of the following may occur:
The air bag material may sometimes cause abrasions
and/or skin reddening to the occupants as the air bags
deploy and unfold. The abrasions are similar to friction
rope burns or those you might get sliding along a carpet
or gymnasium floor. They are not caused by contact
with chemicals. They are not permanent and normally
heal quickly. However, if you haven’t healed signifi -
cantly within a few days, or if you have any blistering,
see your doctor immediately.
 As the air bags deflate, you may see some smoke-like
particles. The particles are a normal by-product of the
process that generates the non-toxic gas used for air
bag inflation. These airborne particles may irritate the
skin, eyes, nose, or throat. If you have skin or eye irrita -
tion, rinse the area with cool water. For nose or throat
irritation, move to fresh air. If the irritation continues,
see your doctor. If these particles settle on your
clothing, follow the garment manufacturer’s instruc -
tions for cleaning.
Do not drive your vehicle after the air bags have deployed.
If you are involved in another collision, the air bags will not
be in place to protect you.
WARNING!
 Side Air Bags need room to inflate. Do not lean
against the door or window. Sit upright in the center
of the seat.
 Being too close to the Side Air Bags during deploy -
ment could cause you to be severely injured or killed.
 Relying on the Side Air Bags alone could lead to more
severe injuries in a collision. The Side Air Bags work
with your seat belt to restrain you properly. In some
collisions, Side Air Bags won’t deploy at all. Always
wear your seat belt even though you have Side Air
Bags.

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230SERVICING AND MAINTENANCE
F4320 Amp Yellow –Fuel Pump Motor
F44 –30 Amp Pink Trailer Tow Receptacle *
F45 –30 Amp Pink Passenger Door Module (PDM) *
F46 –25 Amp Clear Sunroof Control Module *
F47 ––Not Used
F48 –30 Amp Pink Driver Door Module *
F49 –30 Amp Pink Power Inverter (115 Volt/220 Volt A/C) *
F50 –30 Amp Pink Power Liftgate Module *
F51 ––Not Used
F52 –30 Amp Pink Front Wipers
F53 –30 Amp Pink Brake System Module (BSM) - ECU And Valves
F54 –30 Amp Pink Body Control Module (BCM) Feed 3
F55 10 Amp Red –Blind Spot Sensors*/Rearview Camera*/ Rear Heated Seat Switch *
F56 15 Amp Blue –Ignition Node Module (IGNM) / KIN / RF Hub / Electric Steering Column Lock (ESCL) /USB Port
F57 20 Amp Yellow –Trailer Tow Left Stop/Turn Lights *
F58 10 Amp Red –Occupant Classification Module/VSM/ESCL/TT Mod
F59 –30 Amp Pink Drivetrain Control Module (DTCM) *
F60 20 Amp Yellow –Power Outlet – Center Console
F61 20 Amp Yellow –Trailer Tow Right Stop/Turn Lights *
F62 20 Amp Yellow –Windshield De-Icer *
F63 20 Amp Yellow –Front Heated/Ventilated Seats *
F64 20 Amp Yellow –Rear Heated Seats *
Cavity
Blade Fuse Cartridge Fuse Description
* If Equipped

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SERVICING AND MAINTENANCE231
F6510 Amp Red –In Vehicle Temperature Sensor*/Humidity Sensor*/Driver Assist System Module (DASM)*/
Park Assist (PAM) *
F66 15 Amp Blue –HVAC (ECC)/Instrument Panel Cluster (IPC)/Gateway Module
F67 ––Not Used
F68 ––Not Used
F69 10 Amp Red –Transfer Case Switch (TSBM)/Active Grill Shutter (AGS) *
F70 5 Amp Tan –Intelligent Battery Sensor (IBS)
F71 ––Not Used
F72 10 Amp Red –Heated Mirrors * / PM Sensor *
F73 –20 Amp Blue NOX Sensors*/ Trailer Tow Backup *
F74 –30 Amp Pink Rear Defroster (EBL)
F75 20 Amp Yellow –Cigar Lighter *
F76 20 Amp Yellow –Rear Differential Module (RDM) 4WD *
F77 10 Amp Red –Hands Free Release */ Brake Pedal Switch *
F78 10 Amp Red –DTV / TBM / OBD Port
F79 10 Amp Red –Integrated Center Stack (ICS) / HVAC /Electric Park Brake (EPB) SW Steering Control Mod
(SCCM) /Instrument Panel Cluster (IPC)
F80 20 Amp Yellow –Radio
F81 ––Not Used
F82 5 Amp Tan –Gateway Module
F83 –20 Amp Blue Engine Controller Module (ECM)*
30 Amp Pink SCU Module *
F84 –30 Amp Pink Electric Park Brake (EPB) – Left
Cavity
Blade Fuse Cartridge Fuse Description
* If Equipped
8

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232SERVICING AND MAINTENANCE
* 30 Amp mini fuse is substituted for 25 Amp Circuit Breaker.F85
15 Amp Blue –(CSWM) Heated Steering Wheel *
F86 20 Amp Yellow –Horn
F87 ––Not Used
F88 10 Amp Red –Seat Belt Reminder (SBR)*/Smart Camera *
F89 10 Amp Red –Auto/Manual Headlight Leveling*
F90 ––Not Used
F91 20 Amp Yellow –Power Outlet (Rear Seats Customer Selectable) *
F92 ––Not Used
F93 –40 Amp Green Brake System Module (BSM) – Pump Motor
F94 –30 Amp Pink Electric Park Brake (EPB) – Right
F95 10 Amp Red –Sunroof Module */ Rain Sensor Module (LRSM) */ ECMM /Passenger Window SW/ Power
Outlet Console/ Illumination / DTV
F96 10 Amp Red –Airbag
F97 10 Amp Red –Airbag
F98 25 Amp Clear –Audio Amplifier / ANC *
F99 ––Not Used
F100 ––Not Used
Circuit Breakers
CB1 25 AmpPower Seat (Driver)
CB2 25 AmpPower Seat (Pass)
CB3 25 AmpPower Window
Cavity
Blade Fuse Cartridge Fuse Description
* If Equipped

23_KL_OM_EN_USC_t.book Page 232

242SERVICING AND MAINTENANCE
Example: If garage temperature = 68°F (20°C) and the
outside temperature = 32°F (0°C) then the cold tire
inflation pressure should be increased by 3 psi (21 kPa),
which equals 1 psi (7 kPa) for every 12°F (7°C) for this
outside temperature condition.
Tire pressure may increase from 2 to 6 psi (13 to 40 kPa)
during operation. DO NOT reduce this normal pressure
build up or your tire pressure will be too low.
Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe speeds and
within posted speed limits. Where speed limits or
conditions are such that the vehicle can be driven at high
speeds, maintaining correct tire inflation pressure is very
important. Increased tire pressure and reduced vehicle
loading may be required for high-speed vehicle operation.
Refer to an authorized tire dealer or original equipment
vehicle dealer for recommended safe operating speeds,
loading and cold tire inflation pressures.
Radial Ply Tires
Tire Repair
If your tire becomes damaged, it may be repaired if it
meets the following criteria:
The tire has not been driven on when flat.
 The damage is only on the tread section of your tire
(sidewall damage is not repairable).
 The puncture is no greater than ¼ of an inch (6 mm).
Consult an authorized tire dealer for tire repairs and
additional information.
Damaged Run Flat tires, or Run Flat tires that have
experienced a loss of pressure should be replaced
immediately with another Run Flat tire of identical size and
service description (Load Index and Speed Symbol).
Replace the tire pressure sensor as well as it is not
designed to be reused.
Run Flat Tires — If Equipped
Run Flat tires allow you the capability to drive 50 miles
(80 km) at 50 mph (80 km/h) after a rapid loss of inflation
pressure. This rapid loss of inflation is referred to as the
Run Flat mode. A Run Flat mode occurs when the tire
inflation pressure is of/or below 14 psi (96 kPa). Once a Run Flat tire reaches the Run Flat mode it has limited
driving capabilities and needs to be replaced immediately.
A Run Flat tire is not repairable. When a Run Flat tire is
changed after being driven under a Run Flat mode 14 psi
(96 kPa) condition, please replace the TPMS sensor as it
is not designed to be reused.
NOTE:TPMS sensor must be replaced after driving the vehicle on
a flat tire condition.
It is not recommended driving a vehicle loaded at full
capacity or to tow a trailer while a tire is in the Run Flat
mode.
See the Tire Pressure Monitoring System section for more
information
Úpage 155.
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not
spin your vehicle's wheels above 30 mph (48 km/h) or for
longer than 30 seconds continuously without stopping.
WARNING!
High speed driving with your vehicle under maximum
load is dangerous. The added strain on your tires could
cause them to fail. You could have a serious collision.
Do not drive a vehicle loaded to the maximum capacity
at continuous speeds above 75 mph (120 km/h).
WARNING!
Combining radial ply tires with other types of tires on
your vehicle will cause your vehicle to handle poorly.
The instability could cause a collision. Always use radial
ply tires in sets of four. Never combine them with other
types of tires.
WARNING!

Fast spinning tires can be dangerous. Forces generated
by excessive wheel speeds may cause tire damage or
failure. A tire could explode and injure someone. Do not
spin your vehicle's wheels faster than 30 mph (48 km/h)
for more than 30 seconds continuously when you are
stuck, and do not let anyone near a spinning wheel, no
matter what the speed.

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