2015 JEEP WRANGLER fuel

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.
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.
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.
572 WHAT TO DO IN EMERGENCIES

MAINTAINING YOUR VEHICLE
CONTENTS
!ENGINE COMPARTMENT — 3.6L..........583
!ONBOARD DIAGNOSTIC SYSTEM — OBD II . . .584
▫Loose Fuel Filler Cap Message............584
!EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS..........................585
!REPLACEMENT PARTS..................586
!DEALER SERVICE......................586
!MAINTENANCE PROCEDURES...........587
▫Engine Oil..........................588
▫Engine Oil Filter......................591
▫Engine Air Cleaner Filter................591
▫Accessory Drive Belt Inspection...........595
▫Maintenance-Free Battery...............596
▫Air Conditioner Maintenance.............598
▫Body Lubrication.....................601
▫Windshield Wiper Blades...............602
▫Adding Washer Fluid..................608
▫Exhaust System......................609
▫Cooling System......................611
▫Brake System........................617
7

ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and automatic
transmission control systems. When these systems are
operating properly, your vehicle will provide excellent
performance and fuel economy, as well as engine emis-
sions well within current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light” (MIL). It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Al-
though your vehicle will usually be drivable and not
need towing, see your authorized dealer for service as
soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability.
The vehicle must be serviced before any emissions
tests can be performed.
•If the MIL is flashing while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Loose Fuel Filler Cap Message
After fuel is added, the vehicle diagnostic system can
determine if the fuel filler cap is possibly loose, improp-
erly installed, or damaged. A “gASCAP” message will be
displayed in the odometer. Tighten the gas cap until a
#clicking#sound is heard. This is an indication that the
gas cap is properly tightened. Press the odometer reset
button to turn the message off. If the problem persists,
584 MAINTAINING YOUR VEHICLE

Engine Oil Viscosity — 3.6L Engine
MOPAR® SAE 5W-20 engine oil approved to Chrysler
Material Standard MS-6395 such as Pennzoil®, Shell
Helix® or equivalent is recommended for all operating
temperatures. This engine oil improves low temperature
starting and vehicle fuel economy.
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine Com-
partment” illustration in this section.
NOTE:MOPAR® SAE 5W-30 engine oil approved to
Chrysler Material Standard MS-6395 such as Pennzoil®,
Shell Helix® or equivalent may be used when SAE 5W-20
engine oil meeting MS-6395 is not available.
Synthetic Engine Oils
You may use synthetic engine oils provided the recom-
mended oil quality requirements are met, and the recom-
mended maintenance intervals for oil and filter changes
are followed.
Materials Added To Engine Oil
The manufacturer strongly recommends against the addi-
tion of any additives (other than leak detection dyes) to the
engine oil. Engine oil is an engineered product and its
performance may be impaired by supplemental additives.
Disposing Of Used Engine Oil And Oil Filters
Care should be taken in disposing of used engine oil and
oil filters from your vehicle. Used oil and oil filters,
indiscriminately discarded, can present a problem to the
environment. Contact your authorized dealer, service sta-
tion or governmental agency for advice on how and where
used oil and oil filters can be safely discarded in your area.
590 MAINTAINING YOUR VEHICLE

WARNING!
•Exhaust gases can injure or kill. They contain
carbon monoxide (CO), which is colorless and
odorless. Breathing it can make you unconscious
and can eventually poison you. To avoid breathing
CO, refer to “Safety Tips/Exhaust Gas” in “Things
To Know Before Starting Your Vehicle” for further
information.
•A hot exhaust system can start a fire if you park
over materials that can burn. Such materials might
be grass or leaves coming into contact with your
exhaust system. Do not park or operate your ve-
hicle in areas where your exhaust system can con-
tact anything that can burn.
CAUTION!
•The catalytic converter requires the use of un-
leaded fuel only. Leaded gasoline will destroy the
effectiveness of the catalyst as an emissions control
device and may seriously reduce engine perfor-
mance and cause serious damage to the engine.
•Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition.
In the event of engine malfunction, particularly
involving engine misfire or other apparent loss of
performance, have your vehicle serviced promptly.
Continued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and
vehicle.
610 MAINTAINING YOUR VEHICLE

Cavity Cartridge FuseMini FuseDescription
J525 Amp Clear–Passenger Door Node
J640 Amp Green–Anti-Lock Brake System (ABS) Pump/
Stability Control System
J730 Amp Pink–Anti-Lock Brake System (ABS) Valve/
Stability Control System
J8–––
J940 Amp Green–PZEV Sec Motor/Flex Fuel
J1030 Amp Pink–Headlamp Wash Relay/Manifold Tuning
Valve
J1130 Amp Pink–Sway Bar
J1230 Amp Pink–Rear Blower Motor/Radiator Fan
J1360 Amp Yellow–Ignition Off Draw (IOD) – Main
J1440 Amp Green–Rear Defroster
J1540 Amp Green–Front Blower
J1740 Amp Green–Starter Solenoid
7
MAINTAINING YOUR VEHICLE 635

Cavity Cartridge FuseMini FuseDescription
M16–10 Amp RedAirbag Module
M17–15 Amp BlueLeft Tail/License/Park Lamp
M18–15 Amp BlueRight Tail/Park/Run Lamp
M19–25 Amp ClearAuto Shut Down (ASD #1 and #2)
M20–15 Amp Blue Cabin Compartment Node Interior Light,
Switch Bank
M21–20 Amp YellowAuto Shut Down (ASD #3)
M22–10 Amp RedRight Horn (HI/LOW)
M23–10 Amp RedLeft Horn (HI/LOW)
M24–25 Amp ClearRear 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 RedPowertrain Control Module
638 MAINTAINING YOUR VEHICLE

Cavity Cartridge FuseMini FuseDescription
M29–10 Amp RedPowertrain
M30–15 Amp Blue Wiper Motor Frt, J1962 Diagnostic Feed
M31–20 Amp YellowBackup Lamps
M32–10 Amp RedAirbag Controller, TT EUROPE
M33–10 Amp RedPowertrain Controller
M34–10 Amp Red Park Assist, Climate Control System, Head-
lamp Wash, Compass
M35–10 Amp RedHeated Mirrors
M36–20 Amp YellowPower Outlet
M37–10 Amp RedAnti-Lock Brake System, Electronic Stability
Control, Stop Lamp Switch, Fuel Pump Relay
M38–25 Amp ClearLock/Unlock Motors
7
MAINTAINING YOUR VEHICLE 639