engine JEEP COMPASS 2010 1.G Service Manual

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, adjust both
inside and outside mirrors, and fasten your seat belts.
WARNING!
Never leave children alone in a vehicle. Leaving
unattended children in a vehicle is dangerous for a
number of reasons. A child or others could be seri-
ously or fatally injured. Do not leave the key in the
ignition. A child could operate power windows,
other controls, or move the vehicle.
Manual Transaxle – If Equipped
Before starting the engine fully apply the parking brake,
press the clutch pedal to the floor, and place the shift
lever in NEUTRAL.NOTE:
•The engine will not start unless the clutch pedal is
pressed to the floor.
•If the key will not turn and the steering wheel is
locked, rotate the wheel in either direction to relieve
pressure on the locking mechanism and then turn the
key.
Automatic Transaxle – If Equipped
The shift lever must be in the PARK or NEUTRAL
position before you can start the engine. Apply the brakes
before shifting to any driving gear.
NOTE:
You must press the brake pedal before shifting
out of PARK.
Tip Start
NOTE: Normal starting of either a cold or a warm
engine is obtained without pumping or pressing the
accelerator pedal.
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Do notpress the accelerator. Turn the ignition switch to
the START position and release it as soon as the starter
engages. The starter motor will continue to run, and it
will disengage automatically when the engine is running.
If the engine fails to start, the starter will disengage
automatically in 10 seconds. If this occurs, turn the
ignition switch to the LOCK position, wait 10 to 15 sec-
onds, then repeat the “Normal Starting” procedure.
Normal Starting
Normal starting of either a cold or a warm engine does
not require pumping or pressing the accelerator pedal.
Simply turn the ignition switch to the START position
and release when the engine starts. If the engine fails to
start within 15 seconds, turn the ignition switch to the
OFF position, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
WARNING!
Do not attempt to push or tow your vehicle to get it
started. Vehicles equipped with an automatic trans-
axle cannot be started this way. Unburned fuel could
enter the catalytic converter and once the engine has
started, ignite and damage the converter and vehicle.
If the vehicle has a discharged battery, booster cables
may be used to obtain a start from another vehicle.
This type of start can be dangerous if done improp-
erly, so follow the procedure carefully. Refer to
“Jump Starting” in “What To Do In Emergencies” for
further information.
Extreme Cold Weather (Below 20°F Or29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (avail-
able from your authorized dealer) is recommended.
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If Engine Fails to Start
If the engine fails to start after you have followed the
“Normal Starting” and “Extreme Cold Weather” proce-
dures, it may be flooded. Push the accelerator pedal all
the way to the floor and hold it there. Crank the engine
for no more than 15 seconds. This should clear any excess
fuel in case the engine is flooded. Leave the ignition key
in the ON position, release the accelerator pedal and
repeat the “Normal Starting” procedure.
WARNING!
Never pour fuel or other flammable liquid into the
throttle body air inlet opening in an attempt to start
the vehicle. This could result in flash fire causing
serious personal injury.
CAUTION!
To prevent damage to the starter, do not crank the
engine for more than 15 seconds at a time. Wait 10 to
15 seconds before trying again.
After Starting
The idle speed will automatically decrease as the engine
warms up.
ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms engine coolant and
permits quicker starts in cold weather. Connect the cord
to a standard 110-115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
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Use each gear in numerical order, do not skip a gear. Be
sure the transaxle is in first gear, (not third), when
starting from a standing position. Damage to the clutch
can result from starting in third gear.
For most city driving, you will find it easier to use only
the lower gears. For steady highway driving with light
accelerations, fifth gear is recommended.
Never drive with your foot resting on the clutch pedal,
and never try to hold the vehicle on a hill with the clutch
pedal partially engaged. This will cause abnormal wear
on the clutch.
Never shift into REVERSE until the vehicle has come to a
complete stop.
NOTE:During cold weather, until the transaxle lubri-
cant is warm, you may experience slightly higher shift
efforts. This is normal and not harmful to the transaxle.Recommended Shift Speeds
To use your manual transaxle for optimal fuel economy,
it should be upshifted as listed in the following table.
Manual Transaxle Recommended Shift Speeds
Units in mph (km/h)
Engine Size Accel-
eration Rate 1to2 2to3 3to4 4to5
All En- gines Accel 14 (23) 23 (37) 29 (47) 45 (72)
Cruise 12 (19) 18 (29) 25 (40) 32 (52)
Downshifting
Proper downshifting will improve fuel economy and
prolong engine life.
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CAUTION!
If you skip more than one gear while downshifting
or downshift at too high a vehicle speed, you could
damage the engine, transmission, or clutch.
To maintain a safe speed and prolong brake life, shift
down to second or first gear when descending a steep
grade.
When turning a corner or driving up a steep grade,
downshift early so that the engine will not be
overburdened.
AUTOMATIC TRANSAXLE — IF EQUIPPED
NOTE: The Continuously Variable Automatic Transaxle
(CVT) changes ratios in a continuous manner. This may
sometimes “feel” as if it is slipping, but this is normal and
does not harm anything.
CAUTION!
Damage to the transaxle may occur if the following
precautions are not observed:
•Shift into PARK only after the vehicle has come to
a complete stop.
•Shift into or out of REVERSE only after the
vehicle has come to a complete stop and the engine
is at idle speed.
•Do not shift from REVERSE, PARK, or NEUTRAL
into any forward gear when the engine is above
idle speed.
•Before shifting into any gear, make sure your foot
is firmly on the brake pedal.
NOTE: You MUST press and hold the brake pedal down
while shifting out of PARK.
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WARNING!
It is dangerous to move the shift lever out of PARK or
NEUTRAL if the engine speed is higher than idle
speed. If your foot is not firmly on the brake pedal,
the vehicle could accelerate quickly forward or in
reverse. You could lose control of the vehicle and hit
someone or something. Only shift into gear when the
engine is idling normally and when your right foot is
firmly on the brake pedal.
Brake/Transmission Interlock System
This vehicle is equipped with a Brake Transmission Shift
Interlock System (BTSI) that holds the shift lever in the
PARK position when the ignition switch is in the LOCK
position. To move the shift lever out of the PARK
position, the ignition switch must be turned to the ON or
START position (engine running or not) and the brake
pedal must be pressed.NOTE:
If a malfunction occurs, the transaxle will not
shift out of PARK. Battery power is required to release the
brake/transmission interlock system. There is a remov-
able plug in the right side of the shift lever housing that
allows you to insert your finger to override the system.
The key must be in the ignition and in the ON position to
use the override lever. If this occurs obtain service as
soon as possible.
Automatic Transaxle Ignition Interlock System
This system prevents the key from being removed unless
the shift lever is in PARK. It also prevents shifting out of
PARK unless the key is in the ON position, and the brake
pedal is pressed.
NOTE: If a malfunction occurs, the system will trap the
key in the ignition cylinder to warn you that this safety
feature is inoperable. The engine can be started and
stopped, but the key cannot be removed, until you obtain
service.5
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Gear Ranges
DO NOT race the engine when shifting from PARK or
NEUTRAL positions into another gear range.
PARK
This range supplements the parking brake by locking the
transmission. The engine can be started in this range.
Never use PARK while the vehicle is in motion. Apply
the parking brake when leaving the vehicle in this range.
Always apply the parking brake first, and then place the
shift lever in the PARK position.
WARNING!
Unintended movement of a vehicle could injure
those in and near the vehicle. As with all vehicles,
you should never exit a vehicle while the engine is
running. Before exiting a vehicle, you should always
shift the vehicle into PARK, remove the key from the
ignition, and apply the parking brake. Once the key
is removed from the ignition, the shift lever is locked
in the PARK position, securing the vehicle against
unwanted movement. Furthermore, you should never
leave unattended children inside a vehicle.
The following indicators should be used to ensure that
you have engaged the shift lever into the PARK position:
•When shifting into PARK, firmly move the shift lever
all the way forward until it stops.
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•Look at the shift indicator window on the shift lever
bezel to ensure it is in the PARK position.
•You must press the brake pedal to move the shift lever
out of the PARK position.
CAUTION!
Before moving the shift lever out of PARK, you must
turn the ignition from LOCK to ON so the steering
wheel and shift lever are released. Otherwise, dam-
age to the steering column or shift lever could result.
You must also press the brake pedal.
REVERSE
This range is for moving the vehicle rearward. Use this
range only after the vehicle has come to a complete stop.
NEUTRAL
This range is used when the vehicle is standing for
prolonged periods with the engine running. The engine
may be started in this range. Set the parking brake if you
must leave the vehicle.
DRIVE
This range is used for most city and highway driving.
AUTOSTICK— IF EQUIPPED
AutoStickis a driver-interactive transmission that offers
six manual ratio changes to provide you with more
control. AutoStick allows you to maximize engine brak-
ing, eliminate undesirable upshifts and downshifts, and
improve overall vehicle performance. This system can
also provide you with more control during passing, city
driving, cold slippery conditions, mountain driving,
trailer towing, and many other situations. Automatic ratio
changes upward will only occur to protect the Continu-
ously Variable Automatic Transaxle (CVT) and/or the5
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engine from overspeed. Changes down will only happen
at minimum engine speed to prevent stalling.
Operation
NOTE:AutoStick is not functional until the CVT
warms up in cold weather.
AutoStick operation is activated in the DRIVE position
by moving the shift lever side-to-side. Moving the shift
lever to the (+) side will activate AutoStick and shift up
to the next higher manual ratio, unless you are already
operating in or near Overdrive, in which case sixth gear
ratio will be selected. In like manner, moving the shift
lever to (-) will activate AutoStick and shift to the next
lower manual ratio. After AutoStick is activated, the
manual ratio selected is displayed in the transmission
ratio display and tipping the shift lever to the (+) or (-)
direction will cause an upshift or downshift by one ratio. AutoStick
is deactivated:
•By holding the shift lever to (+) momentarily
•When the shift lever is shifted out of DRIVE
•When in sixth position, touching the shift lever to the
right
•When heavy Anti-Lock Brake System (ABS) applica-
tion is detected
General Information
•
If a ratio other than first is selected and the vehicle is
brought to a stop, the transaxle control logic will
automatically select the first gear ratio.
•If a low range is selected and the engine accelerates to
the rev limit, the transaxle will automatically select the
next higher ratio.
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•If a downshift would cause the engine to overspeed,
that shift will not occur until it is safe for the engine.
However. the CVT will stay in the manually selected
ratio.
•If the system detects powertrain overheating, the
transmission will revert to the automatic shift mode
and remain in that mode until the powertrain cools off.
•If the system detects a problem, it will disable the
AutoStickmode and the transmission will return to
the automatic mode until the problem is corrected.
FOUR-WHEEL DRIVE OPERATION — IF
EQUIPPED
This feature provides full time, on-demand, four–wheel
drive (4WD). Where one or more wheels have wheel spin or if addi-
tional traction is needed in sand, deep snow, or loose
traction surfaces, activate the “4WD LOCK” switch by
pulling up once and releasing. This locks the center
coupling allowing more torque to be sent to the rear
wheels. The “4WD Indicator Light” will come on in the
Four-Wheel Drive Switch
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