JEEP WRANGLER 2012 JK / 3.G User Guide
Manufacturer: JEEP, Model Year: 2012, Model line: WRANGLER, Model: JEEP WRANGLER 2012 JK / 3.GPages: 124, PDF Size: 5.48 MB
Page 101 of 124

OPENING THE HOOD
• Release the two hood latches
located on the left and right side
of the hood.
• Raise the hood and locate the
safety latch, in the middle of the
hood opening.
• Push the latch to the left side of
the vehicle, to open the hood. You
mayhavetopushdownslightly
on the hood before pushing the
safety latch.
• Insert the support rod into the slot
on the hood.
• To close the hood, remove the
support rod and place it in the
retaining clip, then lower the hood
slowly.
• Secure both of the hood latches.
WARNING!
Be sure the hood is fully latched before driving your vehicle. If the
hood is not fully latched, it could open when the vehicle is in motion
and block your vision. Failure to follow this warning could result in
serious injury or death.
MAINTAINING YOUR VEHICLE
99
Page 102 of 124

ENGINE COMPARTMENT3.6L Engine
MAINTAINING YOUR VEHICLE
100
Page 103 of 124

FLUIDS AND CAPACITIES
ComponentFluid, Lubricant, or
Genuine PartCapacities
Engine Coolant 3.6L MOPAR® Antifreeze/
Coolant 5
Year/100,000 Mile
Formula HOAT (Hybrid
Organic Additive
Technology) or
equivalent.10.5 Quarts (9.9 Liters)
Includes coolant
recovery bottle filled to
MAX level.
Engine Oil with filter
3.6LUse API Certified SAE
5W-30 Engine Oil,
meeting the
requirements of
Chrysler Material
Standard MS-6395.
Refer to your engine oil
filler cap for correct
SAE grade.6 quarts (5.7 Liters)
Engine Oil Filter 3.6L MOPAR® Engine Oil
Filter or equivalent.—
Spark Plug 3.6L RER8ZWYCB4 (Gap
0.043 in [1.1 mm])—
Automatic Transmission MOPAR® ATF+4®
Automatic Transmission
Fluid or equivalent
licensed ATF+4®
product.—
Manual Transmission MOPAR® Manual
Transmission Lubricant
or equivalent (meeting
the requirements of
Chrysler Material
Standard MS-9224).—
Transfer Case MOPAR® ATF+4®
Automatic Transmission
Fluid or equivalent
licensed ATF+4®
product.—
Axle differential (front) MOPAR® Gear & Axle
Lubricant (SAE
80W-90) (API GL-5) or
equivalent.—
MAINTAINING YOUR VEHICLE
101
Page 104 of 124

ComponentFluid, Lubricant, or
Genuine PartCapacities
Axle differential (rear)
226 RBI (Model 44)-
MOPAR® Gear & Axle
Lubricant (SAE
80W-90) (API GL-5) or
equivalent. For trailer
towing, use MOPAR®
Synthetic Gear & Axle
Lubricant (SAE
75W-140) or equivalent.
Models equipped with
Trac-Lok™ require an
additive.—
Brake Master Cylinder MOPAR® DOT 3 Brake
Fluid, SAE J1703 should
be used. If DOT 3, SAE
J1703 brake fluid is not
available, then DOT 4 is
acceptable. Use only
recommended brake
fluids.—
Power Steering
ReservoirMOPAR® Power
Steering Fluid +4,
MOPAR® ATF+4®
Automatic Transmission
Fluid or equivalent
licensed ATF+4®
product.—
Fuel Selection 2 Door 87 Octane 18.6 Gallons (70 Liters)
(Approximate)
Fuel Selection 4 Door 87 Octane 22.5 Gallons (85 Liters)
(Approximate)
MAINTAINING YOUR VEHICLE
102
Page 105 of 124

MAINTENANCE CHART
Miles:
8,000 16,000 24,000 32,000 40,000 48,000 56,000 64,000 72,000 80,000 88,000 96,000 104,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78
Or Kilometers:
13,000 26,000 39,000 52,000 65,000 78,000 91,000 104,000 117,000 130,000 143,000 156,000 169,000
Change the engine oil and engine oil filter.XXXXXXXXXXXXX
Rotate the tires, rotate at the first sign of ir-
regular wear, even if it occurs before scheduled
maintenance.XXXXXXXXXXXXX
If using your vehicle for any of the following:
dusty or off-road conditions. Inspect the en-
gine air cleaner filter; replace if necessary.XXX
Inspect the brake linings; replace if necessary.XXXXXX
InspecttheCVjoints. XXXX
Inspecttheexhaustsystem. XXXXX
Replace the engine air cleaner filter. X X X
Replace the air conditioning filter. X X X X X X
Inspect the transfer case fluid. X
Change the transfer case fluid if using your ve-
hicle for police, taxi, fleet, or frequent trailer
towing.XX
Inspect the front and rear axle fluid. Change if
using your vehicle for police, taxi, fleet, off-
road or frequent trailer towing.XXXX
Adjust the parking brake on vehicles equipped
with four wheel disc brakes.XXX
Change the automatic transmission fluid and
filter if using your vehicle for any of the follow-
ing: police, taxi, fleet or frequent trailer towing.X
MAINTAINING YOUR VEHICLE
103
Page 106 of 124

Miles:
8,000 16,000 24,000 32,000 40,000 48,000 56,000 64,000 72,000 80,000 88,000 96,000 104,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78
Or Kilometers:
13,000 26,000 39,000 52,000 65,000 78,000 91,000 104,000 117,000 130,000 143,000 156,000 169,000
Change the manual transmission fluid if using
your vehicle for any of the following: trailer
towing, snow plowing, heavy loading, taxi, po-
lice, delivery service (commercial service), off-
road, desert operation or more than 50% of
your driving is at sustained high speeds during
hot weather, above 90°F (32 °C).XXX
Inspect front suspension, tie rod ends, and
boot seals; replace if necessary.XXXXXX
Replace the ignition cables.X
Replace the spark plugs.X
Inspect and replace PCV valve if necessary.X
Inspect all door latches for presence of grease
- reapply as necessary.XXXXXXXXXXXXX
Flush and replace the engine coolant at
60 months or 104,000 miles (169,000 km)
whichever comes first.X
Flush and replace the engine coolant at
104,000 miles (169,000 km) or 60 months
whichever comes first.X• Refer to the Owner's Manual on the DVD for complete maintenance schedule.
MAINTAINING YOUR VEHICLE
104
Page 107 of 124

Maintenance Record
Odometer Date Signature, Authorized Service Center
8,000 Miles
(13,000 km) or
6 Months
16,000 Miles
(26,000 km)
or 12 Months
24,000 Miles
(39,000 km)
or 18 Months
32,000 Miles
(52,000 km)
or 24 Months
40,000 Miles
(65,000 km)
or 30 Months
48,000 Miles
(78,000 km)
or 36 Months
56,000 Miles
(91,000 km) or
42 Months
64,000 Miles
(104,000 km)
or 48 Months
72,000 Miles
(117,000 km)
or 54 Months
80,000 Miles
(130,000 km)
or 60 Months
88,000 Miles
(143,000 km)
or 66 Months
96,000 Miles
(156,000 km)
or 72 Months
104,000 Miles
(169,000 km)
or 78 Months
MAINTAINING YOUR VEHICLE
105
Page 108 of 124

FUSES
Integrated Power Module (fuses)
MAINTAINING YOUR VEHICLE
106
Page 109 of 124

• The Integrated Power Module is located in the engine compartment near
the battery. This center contains cartridge fuses, mini-fuses and relays.
CavityCartridge
FuseMini Fuse Description
J1 — —
J2 30 Amp Pink Transfer Case Module
J3 — —
J4 25 Amp
NaturalDriver Door Node
J5 25 Amp
NaturalPassenger Door Node
J6 40 Amp
GreenAnti-Lock Brake System (ABS)
Pump Feed/ESP
J7 30 Amp Pink Anti-Lock Brake System (ABS)
Valve Feed/ESP
J8 — —
J9 40 Amp
GreenPZEV Sec Motor Feed/Flex Fuel
J10 30 Amp Pink Headlamp Wash Relay/Manifold
Tuning Valve
J11 30 Amp Pink Sway Bar
J12 30 Amp Pink Rear Blower Motor/Radiator Fan
J13 60 Amp
YellowIgnition Off Draw (IOD) — Main
J14 40 Amp
GreenEBL (Rear Window Defogger)
J15 40 Amp
GreenFront Blower
J17 40 Amp
GreenStarter Solenoid
J18 20 Amp Blue Powertrain Control Module
(PCM) Trans Range
J19 60 Amp
YellowRadiator 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
YellowRelay Trailer Lighting (Stop)
M3 20 Amp
YellowFrt/Rear Axle Locker Relay
M4 — —
M5 25 Amp
NaturalPower Inverter - If Equipped
MAINTAINING YOUR VEHICLE
107
Page 110 of 124

CavityCartridge
FuseMini Fuse Description
M6 20 Amp
YellowPower Outlet #1/Rain Sensor
M7 20 Amp
YellowPower Outlet #2 (BATT/ACC
SELECT)
M8 20 Amp
YellowFront Heated Seat
M9 20 Amp
YellowRear Heated Seat (If Equipped)
M10 15 Amp Blue Ignition Off Draw — Vehicle
Entertainment System
(IOD-VES), Satellite Digital
Audio Receiver (SDARS), DVD,
Hands-Free Module (HFM),
RADIO, Antenna (ANT),
Universal Garage Door Opener
(UGDO), Vanity Lamp (VANITY
LP)
M11 10 Amp Red (Ignition Off Draw) IOD-HVAC/
ATC, MW SENSR, Underhood
Lamp (UH LMP)
M12 30 Amp Green Amplifier (AMP)
M13 20 Amp
YellowIgnition Off Draw— Cabin
Compartment Node (IOD-CCN),
Wireless Control Module (WCM),
SIREN, Multifunction Control
Switch (MULTIFCTN SW)
M14 20 Amp
YellowTrailer Tow (Export Only)
M15 20 Amp
YellowCOL MOD, IR SNS, Heater
Ventilation, Air Conditioning/
Automatic Temperature Control
(HVAC/ATC), Rear View Mirror
(RR VW MIR), Cabin
Compartment Node (CCN),
Transfer Case Switch (T-CASE
SW), RUN/ST, Multi-Function
Control Switch (MULTIFTCN
SW), Tire Pressure Monitor
(TPM), Glow Plug Module (GLW
PLG MOD) — Export Diesel Only
M16 10 Amp Red Occupant Restraint Controller
(ORC)
M17 15 Amp Blue Left Tail/License/Park Lamp
(LT-TAIL/LIC/PRK LMP)
M18 15 Amp Blue Right Tail/Park/Run Lamp
(RT-TAIL/PRK/RUN LMP)
MAINTAINING YOUR VEHICLE
108