engine MITSUBISHI LANCER EVOLUTION 2014 10.G Repair Manual

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)
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 5-74 Features and controls
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When there is a malfunction in the system, the warning display will appear on the information screen in the multi-information display. In addition, the S-AWC control mode display in section A will go out at the same time.
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The anti-lock braking system helps preventthe wheels from locking up when braking.This helps maintain vehicle drivability and steering wheel handling.  Always keep a safe distance from the vehicle in front of you. Even if your vehi-cle is equipped with the anti-lock braking system, leave a greater braking distance when:• Driving on gravel or snow-covered roads. • Driving on uneven road surfaces.  Operation of anti-lock braking system is not restricted to situations where brakes are applied suddenly. This system mayalso prevent the wheels from locking when you drive over manholes, steel roadwork plates, road markings, or anyuneven road surface.
WA R N I N G Always concentrate on your driving first. Keep your eyes and mind on the road. Dis- tractions while driving can lead to an acci- dent.
S-AWC warning display
CAUTION The system may be malfunctioning. Park your vehicle in a safe place and stop the engine. Restart the engine and check whether the warning display and “SERVICE REQUIRED” go out. If the warning display and “SERVICE REQUIRED” go out, there is no abnormal condition. If the warning display and “SERVICE REQUIRED” do not go out or appear frequently, it is not necessary to stop the vehicle immediately, but we recommendthat you have your vehicle inspected.NOTE
 If the ambient temperature drops and the vis- cosity of the AWC control fluid increases,the warning may be displayed. At this time, S-AWC control is temporarily suspended, but this will not affect normaldriving. After the vehicle is driven for a while, if the engine is restarted after the AWC controlfluid warms up or the ambient temperature increases, the S-AWC control will start oper- ating again if the warning display goes out.
Anti-lock braking system Driving hints
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Anti-lock braking system
Features and controls 5-75
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 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
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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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Active stability control (ASC) 5-78 Features and controls
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If an abnormal condition occurs in the sys- tem, the following display/indicator will turn on. Warning display
 Be sure to turn ON the ASC for normal driv- ing.NOTE
 When moving out of mud, sand or fresh snow, pressing the accelerator pedal may not allow the engine speed to increase. In such situations, temporarily turning off the ASCwith the “ASC OFF” switch will make it eas- ier to move out your vehicle.  By pressing the ASC OFF switch, both the skid control function and the traction control function are turned OFF.  By pressing down the “ASC OFF” switch for 3 seconds or longer, you can deactivate theASC and the braking control of the AYC. At this time, the display will appear for a few seconds. Then, the previous screen will return and the “!” mark will come on. Press the ASC OFF switch again to turn ONthe ASC.CAUTION
 If the ASC OFF switch is continuously pressed after the ASC has been turned OFF or the ASC and the braking control of AYC have been turned off, an erroneous operation prevention function operates and the ASC isautomatically turned ON.
ASC operation display or ASC OFF display
- ASC operation display/ASC indicator The display/indicator will blink when the ASC is operating. - ASC OFF display The display is displayed when the ASC has been deactivated with the “ASC OFF” switch.CAUTION When display/indicator blinks, ASC is operating, which means that the road is slip- pery or that your vehicle’s wheels are begin-ning to slip. If this happens, drive slower.NOTE
NOTE
 The display may come on when you start the engine. This means that the battery volt- age momentarily droppe
d when the engine
was started. It does not indicate a malfunc-tion, provided that the display goes out immediately.  When a compact spare tire has been put on your vehicle, the grip
ping ability of the tire
will be lower, making it more likely that the display/indicator will blink.
ASC warning display
- ASC indicator - ASC OFF display
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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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Brake assist system 5-80 Features and controls
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erly, the rest of the brake system will still work, but the vehicle will not slow down as quickly. You will know this has happened if you findyou need to depress the brake pedal down further, or harder when slowing down or stop- ping, or if the brake warning light and thewarning display in the multi-information dis- play come on.
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The disc brakes have an alarm that makes ametallic squeal when the brake pads have worn down enough to need service. If youhear this sound continuously, have the brake pads inspected at an authorized Mitsubishi Motors dealer or a repair facility of yourchoice.
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The brake assist system is a device assistingdrivers who cannot depress the brake pedalfirmly such as in emergency stop situations and provides greater braking force. If the brake pedal is depressed suddenly, the brakes will be applied with more force thanusual.
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The power steering system operates while theengine is running. It helps reduce the effort needed to turn the steering wheel. The power steering system has mechanicalsteering capability in case the power assist is
WA R N I N G Never coast downhill with the engine OFF. Keep the engine running whenever your vehicle is in motion. If you turn off the engine while driving, the power brakebooster will stop working and your brakes will not work as well. If the power assist is lost or if either brake hydraulic system stops working properly, take your vehicle to an authorized Mit-subishi Motors dealer or a repair facility of your choice immediately.
Brake pad wear alarm
WA R N I N G Driving with worn brake pads will make it harder to stop, and can cause an accident.NOTE
 When the brakes are applied, a faint noise may be heard, but this
is a characteristic of
high-performance brakes; it does not indicatea problem.
Brake assist system
CAUTION The brake assist system is not a device designed to exercise braking force greater than its capacity. Make sure to always keep asufficient distance between vehicles in front of you without relying too much on the brake assist system.
NOTE
 Once the brake assist system is operational, it maintains great braking force even if the brake pedal is lightly released. To stop its operation, completely remove your foot from the brake pedal.  The brake assist system may become opera- tional when the brake pedal is fullydepressed even if it has not been depressed suddenly.  When the brake assist system is in use while driving, you may feel as if the depressed brake pedal is soft, the pedal moves in smallmotions in conjunction with the operation noise, or the vehicle body and the steering wheel vibrate. This occurs when the brakeassist system is operating normally and does not indicate faulty operation. Continue to depress the brake pedal.  You may hear an operation noise when the brake pedal is suddenly or fully depressedwhile stationary. This does not indicate a malfunction and the brake assist system is operating normally.
Power steering system
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Cruise control
Features and controls 5-81
5
lost. If the power assist is lost for some rea- son, you will still be able to steer your vehi- cle, but you will notice it takes much more effort to steer. If this happens, have your vehi-cle inspected at an authorized Mitsubishi Motors dealer or a repair facility of your choice.
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Cruise control is an automatic speed control system that keeps a set speed. It can be acti- vated at speeds from about 25 mph(40 km/h). Cruise control does not work at speeds below about 25 mph (40 km/h).
Used to turn on and off the cruise control. Used to reduce the set speed and to set the desired speed. Used to increase the set speed and to return to the original set speed. Used to deactivate the set speed driving.
WA R N I N G Do not stop the engine while the vehicle is moving. Stopping the engine would makethe steering wheel extremely hard to turn, possibly resulting in an accident.CAUTION Do not leave the steering wheel turned all the way in one direction. This can cause damage to the power steering system.
Cruise control
CAUTION When you do not wish to drive at a set speed, turn off the cruise control for safety. Do not use cruise control when driving con- ditions will not allow you to stay at the samespeed, such as in heavy traffic or on roads that are winding, icy, snow-covered, wet, slippery, on a steep downhill slope. On vehicles with manual transaxle, do not move the gearshift lever to the “N” (Neutral)position while driving at a set speed without depressing the clutch pedal. The engine will run too fast and might be damaged.NOTE
 Cruise control may not be able to keep your speed on uphills or downhills.  Your speed may decrease on a steep uphill. You may use the accelerator pedal if you want to stay at your set speed.  Your speed may increase to more than the set speed on a steep downhill. You have to usethe brake to control your speed. As a result, the set speed driving is deactivated.
Cruise control switches A- “ON OFF” switch B- “COAST SET” switch C- “ACC RES” switch D- “CANCEL” switch
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Cruise control 5-82 Features and controls
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1. With the ignition switch in the “ON” posi- tion, press the “ON OFF” switch (A) to turn on the cruise control. The “CRUISE” indicator light in the meter cluster willcome on.
2. Confirm that the Twin Clutch SST control mode is set to “Normal”. Refer to “Twin Clutch SST control mode”on page 5-62.
3. Accelerate or decelerate to your desired speed, then press and release the “COAST SET” switch (B) when the “CRUISE” indicator light is illuminated. The vehiclewill then maintain the desired speed.
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There are 2 ways to increase the set speed. Press and hold the “ACC RES” switch (C) while driving at the set speed, and your speedwill then gradually increase.
NOTE
 When operating the cruise control switches, press the cruise control switches correctly. The set speed driving may be deactivated automatically if two or more switches of the cruise control are pressed at the same time.
To activate
NOTE
 If the cruise control is on when the ignition switch is turned to “LOCK” or “ACC” posi- tion, cruise control will be on automatically the next time you start the engine. The “CRUISE” indicator light will also be on.  If the battery voltage is insufficient, the memory data for the cruise control may beerased. As a result, the “CRUISE” indicator light may not come on when you restart theengine. If this happens, press the “ON OFF” switch once again to turn on the cruise control.NOTE
 The cruising speed cannot be set when the Twin Clutch SST control mode is set to “Sport” mode or “S-Sport” mode.
NOTE
 When you release the “COAST SET” switch, the vehicle speed will be set.
To increase the set speed “ACC RES” switch
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