2014 MITSUBISHI LANCER EVOLUTION differential

S-AWC (Super-All Wheel Control)
Features and controls 5-71
5
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S-AWC is an integrated vehicle dynamics control system that helps enhance drivingperformance, cornering performance, and vehicle stability over a wide range of driving conditions through integrated management ofthe ACD, the AYC, the anti-lock braking sys- tem, and the active stability control (ASC).
Please read this section in conjunction with the following sections. ACD (Active center differential system)

P.5-71AYC (Active yaw control system)
 P.5-72
Anti-lock braking system
 P.5-74
Active stability control (ASC)
 P.5-76
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The ACD is a system
that improves accelera-
tion performance and straight-ahead stabilityby regulating the differential limiting action
CAUTION Always use tires of the same size, same type, and same brand, and which have no wear dif- ferences. Using tires that differ in size, type, brands or the degree of wear, will increase the differential oil temperature, resulting inpossible damage to the driving system. Fur- ther, the drive train will be subjected to excessive loading, possibly leading to oilleakage, component seizure, or other serious problems.
To w i n g
CAUTION Do not tow all-wheel dr
ive vehicles with the
front or rear wheels on the ground (Type A or Type B) as illustrated. This could result in damage to the drivetrain, or unstable towing. If you tow all-wheel drive vehicles, use TypeC or Type D equipment.
Jacking up all-wheel drive vehi- cles
WA R N I N G Do not start or run the engine while the vehicle is on the jack. The jack could slip out of position andresult in an accident.
S-AWC (Super-All Wheel Control)
CAUTION Do not over-rely on the S-AWC. Even the S- AWC cannot prevent the natural laws ofphysics from acting on the vehicle. This sys- tem, like any other system, has limits and cannot help you to maintain traction and con-trol of the vehicle in all circumstances. Reck- less driving can lead to accidents. It is the driver’s responsibility to drive carefully.This means taking into account the traffic, road and environmental conditions. Be sure to use tires that are the same speci- fied size, type, and brand, and have no differ- ence in the amount of wear for all fourwheels. Otherwise,
the S-AWC may not
work properly.
ACD (Active center differential system)
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S-AWC (Super-All Wheel Control) 5-72 Features and controls
5
and power drive distribution of the center dif- ferential.
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The AYC is a system, with a left-right differ-ential limiting function and yaw control func-tion, that enhances cornering performance and stability during
cornering by controlling
the left-right drive power difference of therear wheels, the braking force of all four wheels, and the vehicle yaw moment.
The left-right differential limiting function is a function that enhances driving performance and vehicle stability by preventing idle spin-ning of a wheel when driving on slippery road surfaces or when the road surfaces of the left and right wheels are different. The yaw control function is a function that enhances vehicle cornering performance by controlling the drive power difference of theleft and right wheels
and the braking force
when the vehicle does not turn in response to steering input, such as when the steeringwheel is turned quickly or when driving on slippery road surfaces.
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Select the control mode from the followingthree types to suit the driving conditions.
When the ignition switch is set to the “ON” position, operate the AWC switch to change the control mode.Each time the switch is pushed, the control mode changes in the order “TARMAC”

“GRAVEL”
 “SNOW”
 “TARMAC”.
NOTE
If the parking brake lever is pulled up while the vehicle is moving, the center differential is designed to switch to a free state conditionwhich will allow the rear wheel to lock eas- ier.
AYC (Active yaw control sys- tem)
CAUTION Control of the braking force does not enhance the stopping performance of the vehicle, therefore, pay careful attention to the safety of your surroundings when driv-ing.
Left-right differential limiting function Yaw control function S-AWC control mode
S-AWC control mode
Operation
TA R M A C
Normally, use this control mode. Use this mode for paved roads.
GRAVEL
Use this control mode when driving on somewhat slipperyroad surfaces, such as wet road surfaces and gravel roads.
SNOW
Use this control mode when driving on slippery road sur-faces, such as snow-covered roads.
S-AWC control mode switch
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S-AWC (Super-All Wheel Control)
Features and controls 5-73
5
The currently selected control mode is dis- played on the multi-information display. In addition, when the control mode is changed, the selected mode appears on theinterrupt display screen of the information screen in the multi-information display. The control mode display will appear on theinformation screen for a few seconds, and then the original screen will return.
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The S-AWC operation status can be displayedon the information screen in the multi-infor- mation display.To display the status, press the multi-informa- tion meter switch to change the information screen.Refer to “Information screen (when the igni- tion switch is “ON”)” on page 5-97.
The S-AWC operation status is displayed.
NOTE
 The control mode can be changed while the vehicle is moving.  The selected control mode is stored in mem- ory even if the engine is stopped. However, if a battery terminal is discon-nected, the control mode stored in memory will be erased and the control mode will be set to the “TARMAC” mode.
S-AWC control mode display Example: “TARMAC” mode is selected.ç
CAUTION The S-AWC control mode display may flash under aggressive driving conditions. At this time, S-AWC control is temporarily suspended in order to protect the S-AWCdevice, but this will not affect normal driv- ing. After the vehicle is driven for a while, if theS-AWC control mode display remains on, the S-AWC control will start operating again.
S-AWC operation display
Display example AYC operation display The amount of the yaw moment added by AYC is displayed as a bar graph.A, D- Clockwise yaw moment about the
vehicle’s center of gravity
B, C- Counterclockwise yaw moment
about the vehicle’s center of gravity
ACD operation display The strength of the differential limiting action (center differential) of the ACD is displayed in section E of the meter as a bar graph.
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Anti-lock braking system
Features and controls 5-75
5
 When the anti-lock braking system is in use, you may feel the brake pedal pulsa- tion and the vibrations of the vehicle body and steering wheel. It may also feel as ifthe pedal resists being pressed. In this situation, simply hold the brake pedal down firmly. Do not pump thebrake, which will result in reduced braking performance.  An operation noise is emitted from the engine compartment or feel a shock fromthe brake pedal when start driving imme- diately after starting the engine. These are normal sound or operation that the anti-lock braking system makes when per- forming a self-check. It does not indicate a malfunction. The anti-lock braking system can be used after the vehicle has reached a speed over approximately 6 mph (10 km/h). It stopsworking when the vehicle slows below approximately 3 mph (5 km/h).
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Warning light Warning display If there is a malfunction in the system, the anti-lock braking system warning light willcome on and the warning display will appear on the information screen in the multi-infor- mation display.Under normal conditions,
the anti-lock brak-
ing system warning light only comes on when the ignition switch is turned to the “ON”position and goes off a few seconds later.
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Avoid hard braking and high-speed driving. Stop the vehicle in a safe place. Test the system by restarting the engine anddriving at a speed of about 12 mph (20 km/h) or higher. If the warning light / display then remain offduring driving, there is no abnormal condi- tion.
CAUTION The anti-lock braking system cannot prevent accidents. It is your responsibility to take safety precautions and to drive carefully.  To prevent failure of the anti-lock braking system, be sure all 4 wheels and tires are the same size and the same type.
 Do not install any aftermarket limited-slip differential (LSD) on yo
ur vehicle. The anti-
lock braking system may stop functioning properly.
Anti-lock braking system warn- ing light / display
CAUTION
CAUTION Any of the following indicates that the anti- lock braking system is not functioning and only the standard brak
e system is working.
(The standard brake system is functioning normally.) If this happens, take your vehicleto an authorized Mitsubishi Motors dealer or a repair facility of your choice.• When the ignition switch is in the “ON”position, the warning light does not come on or it remains on and does not go off.• The warning light comes on while driving.• The warning display appears while driving.
If the warning light / display comes on while driving If only the anti-lock braking sys- tem warning light / display comes on
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Active stability control (ASC) Features and controls 5-77
5
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On slippery surfaces, the traction control function prevents the drive wheels from spin-ning excessive, thus helping the vehicle to start moving from a stopped condition. It also provides sufficient driving force and steeringperformance as the vehicle turns while press- ing the acceleration pedal.
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The skid control function is designed to help the driver maintain control of the vehicle onslippery roads or during rapid steering
maneuvers. It works by controlling the engine output and the brake on each wheel.
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When the ignition switch is turned to the “ON” position, the ASC automatically turns ON. If the ASC OFF switch is pressed to turn OFF the ASC, the display in the meter comes on. Press the switch again to turn ON the ASC.
CAUTION Do not over-rely on the ASC. Even the ASC cannot prevent the natural laws of physics from acting on the vehicl
e. This system, like
any other system, has limits and cannot help you to maintain traction and control of thevehicle in all circumstances. Reckless driv- ing can lead to accidents. It is the driver’s responsibility to drive carefully. This meanstaking into account the traffic, road and envi- ronmental conditions. Be sure to use the same specified type and size of tire on all four wheels. Otherwise, the ASC may not work properly. Do not install any aftermarket limited-slip differential (LSD) on your vehicle. The ASCmay stop functioning properly.NOTE
 An operation noise may be emitted from the engine compartment in the following situa-tions. The sound is associated with checking the operations of the ASC. At this time, you may feel a shock from the brake pedal if youdepress it. These do not indicate a malfunc- tion. • When the ignition switch is set to the “ON” position. • When the vehicle is driven for a while after the engine is turned on.
 When the ASC is activated, you may feel a vibration in the vehicle body or hear a whin- ing sound from the engine compartment. This indicates that the system is operating normally. It does not indicate a malfunction.  When the anti-lock braking system warning light is illuminated, the ASC is not active.
Traction control function
CAUTION When driving a vehicle on a snowy or icy road, be sure to install snow tires and drivethe vehicle at moderate speeds.
Skid control function
NOTE
NOTE
 The skid control function operates at speeds of about 9 mph (15 km/h) or higher.
ASC OFF switch
CAUTION For safety reasons, press the ASC OFF switch when the vehicle is stopped.
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Limited-slip differential
Features and controls 5-79
5
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A limited-slip differential is applied for front wheel differential. The features of this lim- ited-slip differential are described below: Just as with a conventional differential, the wheel on one side is allowed to turn at a dif-ferent speed from the wheel on the other side when the vehicle is cornering. The difference between the limited-slip differential and aconventional differential is that if the wheel on one side of the vehicle loses traction, a greater amount of torque is applied to thewheel on the other side to improve traction.
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Overuse of the brake can cause poor brakeresponse and premature wear of the brakepads. When driving down a long or steep hill, use engine braking by downshifting.
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Your vehicle is equipped with power brakes for more braking force with minimal brake pedal effort.Your brakes are designe
d to operate at full
capacity, even if the power assist is lost. If the power assist is lost, the effort needed topress the brake pedal is greater. If you lose the power assist for some reason, the brakes will still work. If the power brake unit or either of the two brake hydraulic systems stops working prop-
CAUTION The system may be malfunctioning. Park your vehicle in a safe place and stop the engine. Restart the engine again and check whether the display/indicator goes out. If they go out, there is no abnormal condition.If they do not go out or appear frequently, it is not necessary to stop the vehicle immedi- ately, but you should have your vehicleinspected by an authorized Mitsubishi Motors dealer or a repair facility of your choice as soon as possible.
Limited-slip differential
NOTE
 Even if there is a difference in the amount of traction the wheels can get, if both of them are spinning, the limited-slip differential will not be effective.CAUTION Never start the engine while one of the front or rear wheels is jacked up and the other in contact with the ground; doing so may cause the vehicle to jump forward. Continuously attempting to extract the vehi- cle from snow, mud, etc. while using highengine rpm may damage the limited-slip dif- ferential. Using a compact spare wheel will adversely affect the limited-slip differential; replace the compact spare wheel with a standard sizewheel as soon as possible.
Service brake Brake pedal
WA R N I N G Do not leave any objects near the brake pedal or let a floor mat slide under it; doing so could prevent the full pedal stroke that would be necessary in an emergency. Make sure that the pedal canbe operated freely at all times. Make sure the floor mat is securely held in place.CAUTION It is important not to drive the vehicle with your foot resting on the brake pedal when braking is not required. This practice can result in very high brake temperatures, pre-mature pad wear, and possible damage to the brakes.
Power brakes
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Tires
Vehicle care and maintenance 9-17
9
2 to 6 PSI from the cold inflation pressure. Do not let air out of the tires to get back to the specified cold pressure, or your tire pressure will be too low.Check your tires each time you refuel. If one tire looks lower than the others, check the pressure for all of them.You should also take the following safety pre- cautions:  Keep your tires inflated to the recom- mended pressures. (See the tire and load-ing information placard attached to thedriver’s door sill.)  Stay within the recommended load limits.  Make sure that the weight of any load in your vehicle is evenly distributed.  Drive at safe speeds.  After filling your tires to the correct pres- sure, check them for damage and air leaks. Be sure to reinstall the caps on the valve stems.
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The following maintenance steps are recom- mended:  Check tire pressures regularly.
 Have regular maintenance done on the wheel balance and front and rear suspen- sion alignment.  Rotate your tires regularly as described in the “Tire rotation” section on page 9-18.
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The standard-equipment tires use a high-gripcompound that gives superior grip.However, they wear more quickly than typi- cal passenger-car tires. Tread wear indicators are built into the origi- nal equipment tires on your vehicle to help you know when your tire
s should be replaced.
Many states have laws requiring that you replace your tires at this point.
Replacing tires and wheels
CAUTION Avoid using different size tires and wheels from the ones listed, and avoid the com- bined use of different types of tires and wheels. Using different size or type tires andwheels may affect driving safety. Refer to “Tires and wheels” on page 11-5.
 Always use tires of the same size, same type, and same brand, and which have no wear dif- ferences. Using tires that differ in size, type, brand or the degree of wear, will increase the differential oil temperature, resulting in pos-sible damage to the driving system. Further, the drive train will be
subjected to excessive
loading, possibly leading to oil leakage,component seizure, or other serious prob- lems. Even if a wheel has the same rim size and offset as the specified type of wheel, its shape may prevent it from being fitted cor-rectly. Consult an authorized Mitsubishi Motors dealer or a repair facility of your choice before using wheels that you have. As your vehicle is equipped with a tire pres- sure monitoring system, use only Mitsubishigenuine wheels. Other wheels do not permit correct installa- tion of tire inflation pressure sensors and cancause air leakage and sensor failure, which would not be covered by your vehicle’s war- ranty.
Tire maintenance
CAUTION
Tread wear indicators 1- Location of the tread wear indicator 2- Tread wear indicator
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Refill capacities 11-6 Specifications
11
AYC fluid
For differential mech- anism
.58 qt (0.55 L) Mitsubishi Motors Genuine LSD gear oil
For torque transfer mechanism
.63 qt (0.6 L) MITSUBISHI
MOTORS Genuine ATF SP III
Brake/Clutch (if so equipped) As required Conforming to Brake fluid DOT3 or DOT4 Hood lock release mechanism and safety catch As required Multipurpose type grease NLGI Grade 2 Engine coolant
7.9 qt (7.5 L) {Includes .63 qt (0.65 L) in reserve tank}
Mitsubishi Motors Genuine Super Long Life Coolant Premium or equivalent
*
Washer fluid 4.3 qt (4.0 L) — Refrigerant (air conditioning)
Refer to the air conditioning label
on page 11-2.
HFC-134a
* : similar high quality ethylene glycol based non-silicate, non-a
mine, non-nitrate and non-borate coolant with long life hybrid o
rganic acid
technology
AYC: Active yaw control system LSD: Limited slip differential
Item
Capacity
Lubricants
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