odometer JEEP WRANGLER 2012 JK / 3.G User Guide

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 drivability. 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
clickingsound 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,
514 MAINTAINING YOUR VEHICLE

MAINTENANCE SCHEDULE
The Scheduled Maintenance services listed in this
manual must be done at the times or mileages specified
to protect your vehicle warranty and ensure the best
vehicle performance and reliability. More frequent main-
tenance may be needed for vehicles in severe operating
conditions, such as dusty areas and very short trip
driving. Inspection and service should also be done
anytime a malfunction is suspected.
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
On Electronic Vehicle Information Center (EVIC)
equipped vehicles, “Oil Change Required” will be dis-
played in the EVIC and a single chime will sound,
indicating that an oil change is necessary.On Non-EVIC equipped vehicles, “Change Oil” will flash
in the instrument cluster odometer and a single chime
will sound, indicating that an oil change is necessary.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that ser-
vice is required for your vehicle. Operating conditions
such as frequent short-trips, trailer tow, extremely hot or
cold ambient temperatures, and E85 fuel usage will
influence when the “Change Oil” message is displayed.
Depending on operating conditions, the message may
appear as early as 3,500 miles (5 630 km) since last reset.
Have your vehicle serviced as soon as possible, within
the next 500 miles (805 km).
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NOTE:
•The oil change indicator message will not monitor the
time since the last oil change. Change your vehicle’s
oil if it has been six months since your last oil change,
even if the oil change indicator message is NOT
illuminated.
•Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
•Under no circumstances should oil change intervals
exceed 8,000 miles (13 000 km) or six months, which-
ever comes first.
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a
scheduled oil change is performed by someone other
than your authorized dealer, the message can be reset by
referring to the steps described under “Electronic Vehicle
Information Center (EVIC)/Oil Change Required” in “Understanding Your Instrument Panel” or under “In-
strument Cluster Description/Odometer/Trip Odom-
eter” in “Understanding Your Instrument Panel” for
further information.
At Each Stop For Fuel
•Check the engine oil level about five minutes after a
fully warmed engine is shut off. Checking the oil level
while the vehicle is on level ground will improve the
accuracy of the oil level reading. Add oil only when
the level is at or below the ADD or MIN mark.
•Check the windshield washer solvent and add if
required.
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8,000 Miles (13,000 km) or
6 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
8,000 miles (13 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
16,000 Miles (26,000 km) or 12 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before
16,000 miles (26 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the
engine air cleaner filter; replace if necessary.
❏ Replace the air conditioning filter.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect exhaust system. Perform the first inspection at 16,000 miles (26 000 km) or
12 months.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for
damage, wear, improper looseness or end play; replace if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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24,000 Miles (39,000 km) or
18 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
24,000 miles (39 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
❏ Inspect the CV joints.
❏ Inspect exhaust system.
❏ Inspect the front and rear axle fluid.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
32,000 Miles (52,000 km) or 24 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before
32,000 miles (52 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Inspect the transfer case fluid.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for
damage, wear, improper looseness or end play; replace if necessary.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer
towing, snow plowing, heavy loading, taxi, police, 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).
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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40,000 Miles (65,000 km) or
30 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
40,000 miles (65 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
48,000 Miles (78,000 km) or 36 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before
48,000 miles (78 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the
engine air cleaner filter; replace if necessary.
❏ Replace the air conditioning filter.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the CV joints.
❏ Inspect exhaust system.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for
damage, wear, improper looseness or end play; replace if necessary.
❏ Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet,
off-road or frequent trailer towing.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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56,000 Miles (91,000 km) or
42 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
56,000 miles (91 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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64,000 Miles (104,000 km) or 48 Months Maintenance Service Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before 64,000 miles (104 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ Replace the engine air cleaner filter.
❏ Replace the air conditioning filter.
❏ Adjust parking brake on vehicles equipped with four-wheel disc brakes.
❏ Inspect the brake linings; replace if necessary.
❏ Change the automatic transmission fluid and filter if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
❏ Change the manual transmission fluid if using your vehicle for any of the following: trailer towing, snow plowing, heavy loading, taxi, police,
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).
❏ Change the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play;
replace if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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72,000 Miles (117,000 km) or
54 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
72,000 miles (117 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
❏ Inspect the CV joints.
❏ Inspect exhaust system.
❏ Inspect the front and rear axle fluid.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
80,000 Miles (130,000 km) or 60 Months Maintenance Service
Schedule
❏Change the engine oil and engine oil filter.
❏ Rotate the tires, rotate at the first sign of irregular wear, even if it occurs before
80,000 miles (130 000 km).
❏ Inspect all door latches for presence of grease, reapply if necessary.
❏ If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the
engine air cleaner filter; replace if necessary.
❏ Replace the air conditioning filter.
❏ Flush and replace the engine coolant at 60 months or 104,000 miles (169 000 km) whichever
comes first.
❏ Inspect the brake linings, replace if necessary.
❏ Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for
damage, wear, improper looseness or end play; replace if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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88,000 Miles (143,000 km) or
66 Months Maintenance
Service Schedule
❏Change the engine oil and engine oil
filter.
❏ Rotate the tires, rotate at the first sign of
irregular wear, even if it occurs before
88,000 miles (143 000 km).
❏ Inspect all door latches for presence of
grease, reapply if necessary.
Odometer Reading Date
Repair Order #Dealer Code
Signature, Authorized Service Center
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