FRONT AXLE
Contents
1. 35A 10 BASIC SYSTEM SSA 2 GENERAL GENERAL Brake systems with higher reliability and durability have achieved distinguished braking performance M2350000100956 FEATURES e A rear wheel early lock prevention proportioning valve has been used Vehicles without ABS IMPROVEMENT OF BRAKING PERFOR e Electronic control braking force distribution sys MANCE tem EBD has been adopted to assure the maxi 10 inch single brake booster with the variable mum braking force independently of the boost ratio mechanism has been used to assure passenger s position in the vehicle Vehicles maximum braking force with less pedal pressure with ABS in case of emergency Vehicles with ABS X type piping of brake lines have been adopted e n addition to the 10 inch single brake booster a for the front and rear wheels small and long stroke type master cylinder has e Audible wear indicators are used on the front and been adopted to achieve downsizing and secure rear brake pads to warn the driver of wear limit assist force e 15 inch or 16 inch ventilated disc brakes have SERVICE QUALITY IMPROVEMENTS been adopted for the front e Diagnostic function has been adopted to ABS for inch leading trailing type drum brake 14 inch easier inspection lt Vehicles with ABS gt or 16 inch solid disc brake has been adopted for e Brake fluid reservoir master cylinder and brake rear booster have been in2. E NOTE e 7 EBD Electronic Brake force Distribution tem control that can obtain ideal rear wheel brake force has been employed e For more information about CAN Controller Area Network refer to GROUP 54C P 54C 2 SPECIFICATIONS Specifications ABS control type 4 sensors Wheel speed sensor Magnetic encoder 86 N pole 43 S pole 43 86 N pole 43 S pole 43 CONSTRUCTION DIAGRAM 5 lt Vehicles with rear drum brake gt SERVICE REQUIRED i AT 1 lt Vehicles with rear disc brake gt 2 AC608518AB FOUR WHEEL ANTI LOCK SYSTEM 4ABS 35B 3 GENERAL INFORMATION MAIN COMPONENTS AND FUNCTIONS AA RR Sensor Wheel speed sensor Outputs the frequency signal in proportion to the rotation speed of each wheel to ABS ECU Magnetic encoder for The wheel speed sensor 15 a pulse generator When wheel speed detection the magnetic encoder for wheel speed detection a plate on which north and south pole sides of the magnets are arranged alternately rotates it outputs frequency pulse signal in proportion to each wheel speed Outputs the signal indicating whether the brake pedal is depressed or not through ETACS ECU to ABS ECU via the CAN line Stop light switch Actuator Hydraulic unit Drives the solenoid valve using the signal from ABS ECU and controls the brake fluid pressure for each wheel ABS warning light Informs the driver
3. Wheel cylinder I D mm 19 0 0 75 Lining thickness mm in 4 0 157 Clearance adjustment Automatic Rear disc brake Type Vehicles with 16 inch wheel u NN caliper 1 piston solid disc 54 535 Vehicles with 18 inch wheel Floating caliper 1 piston solid disc S6 S35 Disc effective p Vehicles with 16 inch wheel 226 x 10 8 9 x 0 39 thickness mm Vehicles with 18 inch wheel 258 x 10 10 2 0 39 Cylinder I D mm in 34 9 1 37 Pad thickness mm in 10 0 0 39 Clearance adjustment Automatic adjustment BASIC BRAKE SYSTEM 35A 5 CONSTRUCTION DESCRIPTION CONSTRUCTION DESCRIPTION MASTER CYLINDER 2 07 2350001000576 BIZ Reserve tank nn e A UN SONS SS RESE 5 Brake booster Master onde Secondary piston assembly Primary piston assembly AC505913 AC609469AB The master cylinder is a tandem type and is inte grated with the brake fluid reservoir with the level switch BRAKE BOOSTER M2350002000698 Diaphragm Booster ret i if ooster return spring 0 i El Operating Push Barometric pressure chamber AC505931 AB A 10 inch single brake booster has been installed The variable boost ratio mechanism which increases the brake booster gain has been adopted _ BASIC BRAKE SYSTEM 35A 6 CONSTRUCTION DESCRIPTION VARIABLE BOOST RATIO M
4. Bu Wheel E spee speed Q sensor sensor 9 FL RL Front left wheel FL Rear left wheel RL NOTE Dashed lines indicate CAN bus communi cation lines AC608528AB FOUR WHEEL ANTI LOCK SYSTEM 4ABS GENERAL INFORMATION ABS ELECTRICAL DIAGRAM Fusible Fusible Fusible Ignition 35 5 Fusible link No 27 link No 26 link No 34 switch IG 1 link No 36 ETACS ECU CAN drive circuit Analog fou interface M Interface circuit circuit Stopligt BEE switch Data link connector I N OFF TON Engine A A a control Y module Stoplight Hydraulic unit Solenoid valve Motor power supply ENEMIES pp y Solenoid valve power supply 90 GND 4 1 ABS ECU Combination i i j i meter FL FR RL RR Wheel speed sensor E E Relay box Engine compartment o Interface circuit CAN transceiver circuit LED drive Interface circuit circuit Interface circuit AC609237AB 35 6 FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS CONSTRUCTION DESCRIPTION CONSTRUCTION DESCRIPTION SENSOR Wheel speed sensor FRONT REAR lt Vehicles with rear drum brake gt Front wheel speed sensor Encoder for wheel speed detection The wheel speed sensor is a kind of a pulse genera tor It consists of the magnetic encoder for wheel speed detection a plate on which north and so
5. Extinguished including wrong assembly Executed Extinguished Illuminates NOTE e This diagnostic trouble code is not set within the vehicle speed of 20 km h 12 mph or less e 2 Turns ON when two or more wheels are faulty e Stays ON until the vehicle speed reaches 10 km h 6 mph when the ignition switch is turned to ON next time DIAGNOSTIC FUNCTION ABS ECU has the following functions for easier sys tem checks The following items can be diagnosed using scan tool e Diagnostic trouble code set e Service data output e Actuator test DIAGNOSTIC TROUBLE CODE SET There are 43 diagnosis items Since all the diagnos tic results are recorded in volatile memory they are stored in the memory even though the battery terminals are disconnected NOTE e EEPROM Electrical Erasable amp Programmable ROM Special type of memory that can be pro grammed or erased electrically e For each diagnosis item refer to Service Manual SERVICE DATA OUTPUT Using scan tool the input data sent from the sensors and switches can be read NOTE For service data items refer to Service Man ual 35B 12 FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS CONSTRUCTION DESCRIPTION ACTUATOR TEST e The actuator test can be performed only when Using scan tool the actuators can be forcibly oper the vehicle is stationary When the vehicle speed ated reaches 10 km h 6 mph the forcible actuator NOTE operation is
6. FR wheel inlet valve system Abnormality in RL wheel inlet valve system C1057 Abnormality in RR wheel inlet valve system C105F Abnormality in FL wheel outlet Prohibited Prohibited Illuminates Illuminates valve system C1063 Abnormality in FR wheel outlet valve system C1067 Abnormality in RL wheel outlet valve system C105B Abnormality in RR wheel outlet valve system Malfunction of valve power Prohibited Prohibited Illuminates Illuminates supply circuit Malfunction of motor drive Prohibited Extinguished Illuminated 3 circuit C2104 1073 FOUR WHEEL ANTI LOCK SYSTEM 4ABS CONSTRUCTION DESCRIPTION DTC Countermeasures for failure No EBD control ABS control Brake ABS warning warning light light 2116 in pump motor Executed Prohibited Extinguished lluminated 3 power C1000 Abnormality in stop light switch Extinguished Extinguished circuit C2200 Abnormality in ABS ECU Prohibited Prohibited Illuminates C2100 Battery 9 7 0 3 V or uoc Prohibited nn on voltage less 1 PORNO 8 0 5 V or Prohibited Prohibited Illuminates less 1 voltage 18 0 1 0 V or more 35B 11 Battery voltage problem high voltage Prohibited Prohibited Illuminates anl C1395 Brake fluid filling not completed Extinguished Flashes 1 Hz Executed Extinguished Extinguished Invalid variant coding value Executed Prohibited
7. L g ANS ib AC607284 AB STEERING WHEEL Air bag module X Air bag module NG Steering wheel audio remote control switch amp Steering wheel 55 voice control switch 14 A A Cruise control switch The steering wheel is designed to improve operabil ity safety and maintainability and has the following features e Newly designed Three spoke type has been adopted For DE and ES the steering wheel made of urethane has been adopted For GTS the steering wheel made of genuine leather has been adopted e Audio remote control voice control and cruise control switches are available on some models M2370001000761 Section Inflator AC607285 AB e Sporty and thick type grip shape has been adopted e Rigid core metal reduces steering wheel vibra tion e tincorporates an SRS airbag to protect the driver in the event of a frontal collision e The airbag module is equipped with an inflator that does not contain sodium azide e Optimisation of the airbag specifications reduces the risk of injury to the passengers in a collision 37 4 POWER STEERING STEERING SHAFT AND COLUMN STEERING SHAFT AND COLUMN M2370002000667 e To improve the feeling of steering reduction of e Tilt steering mechanism that the desired driving torque fluctuation covering the whole tilting position is obtained has been employed on all range the steering column layout has been opti models Tilt up amount
8. disabled e When ABS ECU is disabled the actuator test e During actuator test the ABS warning light flashes in 2Hz and ABS control is prohibited e For the actuator test specification refer to Ser vice Manual cannot be performed 34 1 GROUP 34 SUSPENSION CONTENTS GENERAL INFORMATION 34 2 34 2 REAR SUSPENSION GENERAL INFORMATION GENERAL INFORMATION The trailing arm type multi link suspension is adopted MAIN FEATURES e The wheel tread is increased to improve corner ing ability e The roll center height is modified to improve the steering ability e A double crossmember is adopted and the upper arm lower arm toe control arm are joined to the crossmember to improve suspension alignment accuracy and maintenance performance e Improvement of arms installation accuracy elimi nates the camber adjustment to improve mainte nance performance CONSTRUCTION DIAGRAM Shock absorber u 4 IL III 0 Toe control arm Rear crossmember Stay SPECIFICATIONS SUSPENSION SYSTEM M2340000100977 e The trailing arm bushings are installed in the upper position to improve the movement of the suspension when the vehicle negotiates bumps and increase riding comfort e Twin tube type shock absorber is adopted to secure optimum rolling rigidity and improve the steering ability e A high efficiency ball joint type stabilizer link is adopted to improve steering
9. in FR wheel speed When two or sensor signal more wheels RL are faulty C1027 Abnormality in RL wheel speed sensor signal C1032 Abnormality in RR wheel speed sensor signal BRAKE SYSTEM 4ABS DESCRIPTION 35B 9 2 ECU power supply Checks if ECU power supply voltage stays within the operational range Wheel speed sensor 1 Monitors the output voltage of the sensor signal wiring harness and checks for abnormal output voltage open short circuit 2 Checks for any wheels that do not send pulse signal while the vehicle is in motion 3 Checks if wheel speed which is abnormally higher or lower than the vehicle speed is input Pump motor solenoid valve Checks that the ABS ECU output signal and the operating conditions of the pump motor and solenoid valve agree with each other CAN COMMUNICATION ABS ECU outputs the ABS warning light and the EBD warning light illumination request signals to the combination meter through CAN communication NOTE The brake warning light is used as EBD control warning light NOTE The brake warning light is used as EBD control warning light Countermeasures for failure EBD control 5 control Brake ABS warning warning light light C100A Abnormality in FL wheel speed Executed ircui Prohibited C1015 Abnormality in FR wheel speed When two or sensor circuit ibus em are faulty C1020 Abnormality in RL wheel speed Y sensor circuit Prohibited Extinguished 2 Illu
10. in construction effort will be reduced at low engine speeds and increase at higher speeds POWER STEERING STEERING GEAR 37 7 STEERING GEAR Tie rod end ES Gear housing Bushing Inner pipe Front suspension crossmember The steering gear and linkage is mounted on the suspension crossmember via two bushings with inner cylinders The inner bushing with inner cylinder supports the steering gear and linkage in the vertical and fore and aft direction with high rigidity improving the feeling of steering considerably bes ef 2370003000499 Section B B One way check valve Gear housing Q Front axle crossmember AC607287 AB e One way check valve for the power steering fluid has been added in the steering gear By reducing the kickback due to the disturbance from the uneven road surface the handling stability has been improved POWER STEERING 37 8 OIL RESERVOIR OIL RESERVOIR The resin oil reservoir is used to reduce weight The oil reser voir is translucent and has fluid level marks MAX and MIN lines facilitating inspection Oil reservoir Filter Return Suction lt a AC200365AC
11. of the system status by illuminating flashing or turning off the warning light according to the signal from ABS ECU Used as the warning light for the parking brake brake fluid level and EBD control Informs the driver of the system status by illuminating or turning off the warning light according to the signal from ABS ECU ETACS or combination meter Establishes the communication with scan tool Controls the actuators pe carrer above based on the pe carrer coming from each sensors Controls the PR functions and fail safe PR Brake warning light Data link connector ABS control unit ABS ECU Controls diagnostic function ae with scan ae 35B 4 FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS GENERAL INFORMATION SYSTEM CONFIGURATION Wheel speed sensor FL Control solenoid valve FR IN Wheel speed sensor RL Control solenoid valve FR OUT Control solenoid valve FL IN Wheel speed sensor RR Control solenoid valve FL OUT Wheel speed sensor FR Control solenoid valve RR IN Control solenoid valve RR OUT Stop light switch ABS ECU Control solenoid valve RL IN Control solenoid valve RL OUT ECU power supply w Combination meter Brake warning lamp ABS warning lamp m m m m m Data link connector ESF T Wheel speed speed 5 Stop light switch sensor FR RR Front right wheel FR Rear right wheel RR 2aL D
12. x 24 5 15 7 x 1 0 CVT RH 715 0 x 28 28 1 x 1 1 NOTE Indicates the distance between each joint center GENERAL INFORMATION CONSTRUCTION DIAGRAM Strut assembly Knuckle Front hub Sy a 2 2 5 I ETJ RH S ES Dynamic damper gt A LH lt gt Wheel bearing Oil seal Magnetic encoder 26 3 Dynamic damper AC606246 AB NOTES 36 1 GROUP 36 PARKING BRAKES CONTENTS GENERAL INFORMATION 36 2 36 2 PARKING BRAKES GENERAL INFORMATION GENERAL INFORMATION A parking brake lever is used to operate the mechan rear wheel acting type parking brake CONSTRUCTION DIAGRAM lt Vehicles with rear drum brake gt M2360000100753 Parking brake rear cable Parking brake lever AC609233AC Vehicles with rear disc brake Vehicles with 16 inch wheel Vehicles with 18 inch wheel Sg 3 Lp 7 DEN x JILL LZ ES Saz AC609235 Parking brake rear cable Parking brake lever AC609234AB 35A 1 GROUP 35A BASIC BRAKE SYSTEM CONTENTS GENERAL 35A 2 BRAKE BOOSTER 5 BRAKE PEDAL 35A 7 CONSTRUCTION DESCRIPTION 35 5 FRONT 35A 8 MASTER CYLINDER 5 REAR 35 9 BRAKE
13. 20mm Tilt down amount mised by focusing the tilting function 25mm reduce the separation load during a collision the sliding resistance reduction member has been installed to the column bracket Column bracket Tilt point Intermediate shaft Section A A Section capsule AC607286 AB Before collision Intermediate shaft A After collision POWER STEERING 37 5 STEERING SHAFT AND COLUMN IMPACT ABSORBING MECHANISM Primary collision If the vehicle is involved in a crash and impact energy is trans mitted to the lower shaft from the gearbox side the intermedi ate shaft A will be pushed into intermediate shaft B to absorb impact energy Thus the steering column will not be projected into the passenger compartment POWER STEERING 37 6 OIL PUMP Secondary collision Before collision When the driver s body falls against the steering wheel via the Column Rivetpin deployed air bag the column bracket moves forward by bracket capsule deforming the rivet pin of the one way capsule and simulta neously the steering column assembly frees from the pin of col umn bracket to move forward and downwards Column pipe Section After collision A Column pipe Section A A OIL PUMP The oil pump is a vane type with a fluid flow control The oil pump is essentially the same as the conven system which functions so the steering wheel turning tional one
14. 26 1 GROUP 26 FRONT AXLE CONTENTS GENERAL INFORMATION 26 2 26 2 GENERAL INFORMATION GENERAL INFORMATION For the front axle a double row angular contact ball bearing with an integral oil seal is adopted as a wheel bearing and EBJ ETJ type constant velocity joint as a driveshaft It has the following features e The driveshaft incorporates lightweight and com pact EBJ ETJ type constant velocity joints e Lead free grease for the constant velocity joint is adopted e Hexavalent chromium is eliminated from the dust cover material SPECIFICATIONS Wheel bearing Bearing type Bearing Outer diameter x inside diameter mm in Driveshaft Joint type M2260000100819 e The number of parts is reduced by integrating the magnetic encoder for ABS wheel speed detection into the wheel bearing Vehicles with ABS NOTE ETJ High Efficiency Compact Tripod Joint the lighter and smaller constant velocity joint com pared with the conventional TJ has been installed EBJ High Efficiency Compact Birfield Joint the lighter and smaller constant velocity joint com pared with the conventional BJ has been achieved by adopting the eight small balls Specification Unit bearing double row angular contact ball bearing 80 x 43 3 15 x 1 69 Inside ET Shaft length x shaft diameter mm in M T LH M T RH 715 x 28 28 1 x 1 1 380 5 x 24 5 15 0 x 1 0 CVT LH 399 5
15. ECHANISM The variable boost ratio mechanism changes the input output characteristics of the brake booster in two phases by changing the reaction force applied to the valve plunger during the assist phase AT INITIAL ASSISTING 1 When the brake pedal is not depressed no input load applied the reaction washer is not deformed 2 When the brake pedal is depressed the reaction washer is deformed to reach the ring piston and disc then the first input characteristics begin Ratio 1 Reaction es v Y Ring piston AT AN INCREMENT OF ASSIST RATIO 1 The reaction washer 15 further deformed and pushes down the ring piston and lock washer deflecting the spring All the force pushing the ring piston and disc is transferred to the brake pedal via spring seat and disc as the reaction force 2 The reaction washer 15 then further deformed and when lock washer makes contact with the control housing the input characteristics change All the force applied from the reaction washer to the ring piston is now transferred to the control housing via the lock washer so no force is applied to the brake pedal The second input characteristics Ratio 2 begin Reaction washer BASIC SYSTEM CONSTRUCTION DESCRIPTION BRAKE PEDAL lt Before collision gt Brake pedal and support member Pedal arm Brake booster K The brake pedal retreat suppression mechanism that restraints the retraction of the brak
16. ability The toe control arm is installed in the lower tion to increase toe and camber rigidity and improve steering ability Stabilizer bar lt GTS ES gt AR O O Trailing arm AC606248 AB Suspension type Trailing arm type multi link REAR SUSPENSION 34 3 GENERAL INFORMATION WHEEL ALIGNMENT SPRING Specification GTS Wire diameter mm in 11 0 4 Mean diameter of coil mm in 91 3 6 Free length mm in 334 13 1 NOTES 33 1 GROUP 33 FRONT SUSPENSION CONTENTS GENERAL INFORMATION 33 2 33 2 FRONT SUSPENSION GENERAL INFORMATION GENERAL INFORMATION The MacPherson strut type suspension is adopted e The fully flattened crossmember improves the left right direction rigidity of installation points of MAIN FEATURES the lower arms for high steering ability The wheel tread is increased to improve corner Tuning of the lower arm bushes improves the ing ability mE u steering ability and riding comfort The center height is modified to improve the The stabilizer bar is joined to the strut for high steering ability efficiency to secure the optimum rolling rigidity e Increased suspension stroke improves road hold and improves the steering ability ing quality and secures good adhesion even on e Total tuning of struts springs and bump rubbers bumpy rough roads to reduce shocks received improves t
17. ds cles with 16 inch wheel or V6 S57 Vehicles e he outer disc type brake disc which can be tight with 18 inch wheel has been adopted ened together with the wheel has been intro duced for better serviceability DISC BRAKE DESIGNATION Contents Brake disc type V Ventilated 9 Solid V 6 5 7 Brake size Minimum applicable 1 2 3 4 disc wheel Number of pistons 5 1 Floating type Piston size 35 34 9 mm Rounded integral 57 057 1 mm value AC505124 BASIC BRAKE SYSTEM 35A 9 CONSTRUCTION DESCRIPTION REAR BRAKE Vehicles with rear drum brake M2350004000616 8 inch leading trailing type drum brakes have been adopted for the rear brakes in order to provide stable braking force at all times both when moving forward and reverse Vehicles with rear disc brake 14 inch disc brake 54 535 gt Brakes with the following specifications have been adopted for the rear e The 1 piston solid disc brake 54 535 Vehicles with 16 inch wheel or S6 S35 Vehicles with 18 inch wheel has been adopted e An audible wear indicator that informs the driver of application limit has been adopted onto the brake pads AC609282 At wear limit Brake disc Wear indicator AC201769 AC609315AB e The outer disc type brake disc which can be tight ened together with the wheel has been intro duced for better serviceability NOTE For the brake disc name
18. e pedal surface during a frontal collision has been adopted in order to reduce the shock to the driver s feet 35A 7 M2350007000422 lt After collision gt Pedal retreat path in collision Brake pedal and support member Collision load Push Brake booster rod After the breakage mechanism operates Pedal arm Pedal support frame position before collision Pedal support frame position after collision NR AC611958AB When the brake booster is crushed rearward by the engine retreat during a frontal collision the installa tion surface of the brake pedal is retreated In this case the end of the pedal support is forcibly slid down and back by the interference with the slope mounted on the front deck crossmember assembly At the same time the linkage comprised of the pedal support pedal arm and push rod moves the brake pedal pad surface forward E BASIC BRAKE SYSTEM 35A 8 CONSTRUCTION DESCRIPTION FRONT BRAKE M2350003000602 lt 15 inch disc brake 5 557 gt Normal At wear limit 17 S lt 16 inch disc brake V6 S57 gt VA N Wear indicator Brake disc Y Fun SEALS E AC201769 AC609316AB Brakes with the following specifications have been e An audible wear indicator that informs the driver adopted for the front brakes of application limit has been adopted onto the e The 1 piston ventilate disc brake 5 557 Vehi front brake LH pa
19. h 6 mph As the ABS ECU memorizes any diagnostic trouble code related to the wheel speed sensor malfunction recorded during the previous ignition ON status ABS ECU continues illuminating the ABS warning light until it verifies that the malfunction for that code is resolved startup check INITIAL CHECK Performs self diagnosis in ABS ECU FOUR WHEEL ANTI LOCK CONSTRUCTION STARTUP CHECK When the startup vehicle speed reaches approxi mately 10 km h 6 mph ABS ECU performs the fol lowing checks 1 Motor solenoid valve check Initial startup only Turns ON the motor relay in ECU and checks the pump motor operation At the same time ABS ECU sequentially energizes each solenoid valve in a very short period and checks the valve operation NOTE Initial startup indicates a first startup after the system has started Wheel speed sensor check ABS ECU checks for any wheels that have not received wheel speed sensor signal from the startup CONSTANT CHECK ABS ECU constantly checks the following items 1 ABS ECU Performs self diagnosis in ECU FAIL SAFE FUNCTION If any malfunction is detected by the self diagnostic function ABS ECU illuminates the ABS warning light and brake warning light and it disables ABS and EBD control DTC No sensor circuit C102B Abnormality in RR wheel speed sensor circuit 1011 bnormality in FL wheel speed Executed sensor signal Prohibited C101C Abnormality
20. he steering ability and riding comfort when the vehicle negotiates bumps CONSTRUCTION DIAGRAM Coil spring Front suspension strut AC607283 AB SPECIFICATIONS SUSPENSION SYSTEM Specification Suspension type MacPherson strut with coil spring WHEEL ALIGNMENT FRONT SUSPENSION 33 3 GENERAL INFORMATION Kingpin inclination 13 30 OO COIL SPRING Specification GTS Average outside m mm in in 6 A Free length mm in 331 13 0 316 12 4 222 27 NOTES 31 1 GROUP 31 WHEEL AND TIRE CONTENTS GENERAL INFORMATION 31 2 TIRE PRESSURE MONITORING SYSTEM TPMS 31 2 31 2 WHEEL AND TIRE GENERAL INFORMATION GENERAL INFORMATION M2310000100941 e The wheels and tires of the following specifica Warns driver of TPMS probrems by flashing tions have been established the TPMS warning light on the combination e Adopt the Tire Pressure Monitoring System meter TPMS NOTE Change to continuous illumination e Warns driver of low tire pressure by illuminat after flashing for about 1 minute ing the TPMS warning light on the combina tion meter SPECIFICATIONS ROAD WHEEL AND TIRE GTS TPMS warning Warning ON 174 2 or less 174 less 174 2 or less pressure kPa Warning OFF 189 27 4 or less or less 189 2 a or less Type Steel type or MUN type ER a type psi a in SPARE WHEEL AND TIRE Specificatio
21. minated 3 Prohibited Extinguished Illuminated FOUR WHEEL ANTI LOCK SYSTEM 4ABS CONSTRUCTION DESCRIPTION UJ Countermeasures for failure EBD control ABS control Brake ABS warning warning light light Executed Prohibited Extinguished Illuminated Prohibited when two or more wheels are faulty Executed Prohibited Extinguished Illuminated Prohibited when two or more wheels are faulty Executed Prohibited Extinguished Illuminated Prohibited when two or more wheels are faulty RR wheel speed sensor control phase time exceeded C1014 monitoring of FL wheel speed sensor C101F monitoring of FR wheel speed sensor C102A monitoring of wheel speed sensor C1035 Mutual monitoring of RR wheel speed sensor C1041 Abnormality in periodical signal for FL wheel speed sensor C1042 Abnormality in periodical signal for FR wheel speed sensor C1043 Abnormality in periodical signal for RL wheel speed sensor C1044 Abnormality in periodical signal for RR wheel speed sensor C1046 FL wheel speed sensor control phase time exceeded C1047 wheel speed sensor control phase time exceeded C1048 wheel speed sensor control phase time exceeded C1049 C104B C104F C1053 Abnormality in FL wheel inlet Prohibited Prohibited Illuminates Illuminates valve system Abnormality in
22. n Amount of wheel ofeet O PCD mm m NOTE The mark indicates optional item e PCD indicates the pitch circle diameter of the wheel installation holes TIRE PRESSURE MONITORING SYSTEM TPMS M2310000200067 Refer to GROUP 42B Operation System KOS P 42B 20 or GROUP 42C Wireless Control Module WCM P 42C 9 27 1 GROUP 27 REAR CONTENTS GENERAL INFORMATION 27 2 27 2 GENERAL INFORMATION GENERAL INFORMATION M2270000100478 The rear axle has the following features e The number of parts has been reduced by inte e The wheel bearing is a unit ball bearing dou grating the magnetic encoder for ABS wheel ble row angular contact ball bearing which incor speed detection into the wheel bearing lt Vehi porates the oil seals and is highly resistant to cles with ABS gt thrust loads SPECIFICATIONS Wheel bearing Unit ball bearing double row angular contact ball bearing CONSTRUCTION DIAGRAM Ball bearing Magnetic encoder Oil seal AC606273 AB 37 1 GROUP 37 POWER STEERING CONTENTS GENERAL INFORMATION 37 2 OILPUMP 37 6 STEERING WHEEL 37 3 STEERING GEAR 37 7 STEERING SHAFT AND COLUMN 37 4 OIL RESERVOIR 37 2 POWER STEERING GENERAL INFORMATION GENERAL INFORMATION M2370000101003 FEATURES e Configuring the optimum flow characteristics and hydraulic power stee
23. n Normal Correct Faulty When scan tool is connected ABS failure Illuminates Actuator not operated ABS warning light Brake warning light EBD failure Illuminates Illuminates Actuator operated Flash 2Hz 22 2 After actuator operated Illuminates Illuminates NOTE and brake warning lights remain illumi nated until the ignition is switched off FOUR WHEEL ANTI LOCK SYSTEM 4ABS 35B 7 CONSTRUCTION DESCRIPTION ABS ECU e By integrating ABS ECU into the hydraulic unit no wiring harness for sending drive signal of the solenoid valve and pump motor is required assuring higher reliability e Self diagnostic and memory functions are inte grated into ABS ECU If any malfunction is detected by the self diagnostic function ABS ECU activates a fail safe function and illumi nates the ABS warning light and brake warning light ABS hydraulic pressure control ABS control cycle Increase BH Hold Decrease Wheel speed 1 The ABS ECU calculates the speed and deceler ation of each wheel based on the signals from the four wheel speed sensors and estimates the vehicle speed at that time 2 When the brake pedal is depressed the brake fluid pressure applied to the wheel cylinder increases and the wheel speed decreases When the difference between the wheel speed and vehicle speed increases and the vehicle deceleration goes below the s
24. pecified value M2351003000520 NOTE The brake warning light is used as the EBD control warning light e ABS ECU detects vehicle speed from the signals of the wheel speed sensor and its recognizes the wheel rotation status estimates the wheel slip condition based on the preprogrammed algo rithm and then controls the solenoid valve in the hydraulic unit so that the wheels do not lock Estimated vehicle speed AC506830AB Point A ECU determines that the wheels are about to be locked At this time ECU reduces the brake fluid pressure by outputting the pressure decrease signal to the solenoid valves IN OUT between a and b 3 When the vehicle deceleration and wheel speed begin recovery and the vehicle speed reaches the point B ECU outputs the pressure hold signal to maintain the wheel cylinder fluid pressure between b and c 35B 8 FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS CONSTRUCTION DESCRIPTION 4 When the wheel speed deceleration is further recovered and overpasses the point C ECU determines that the wheel lock possibility has been eliminated and increases the brake fluid pressure by outputting the pressure increase sig nal again between c and d Four wheel control ABS fluid pressure is controlled independently for four wheels EBD fluid pressure control 5 Brake fluid pressure is controlled by repeating the increase and hold of the pressure between d and e 6 When the wheel decelera
25. refer to FRONT BRAKE P 35A 8 _ BASIC BRAKE SYSTEM 35A 10 CONSTRUCTION DESCRIPTION BRAKE LINE PROPORTIONING VALVE lt Vehicles without ABS gt ATL From master cylinder rear brake system CSS Valve AA Sleeve f M Master cylinder A proportioning valve is used to prevent early locking of the rear wheels in order to provide improved sta bility during braking M2350005000266 El K 5 gt 7 7 Proportioning valve O ring Seal Guide V To rear brake AC609305AB 35B 1 GROUP 35B FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS CONTENTS GENERAL INFORMATION 35B 2 SENSOR US t2 eus conus 35B 6 ACTUATORS 35B 6 CONSTRUCTION DESCRIPTION 35 6 5 35 7 35B 2 FOUR WHEEL ANTI LOCK BRAKE SYSTEM 4ABS GENERAL INFORMATION GENERAL INFORMATION M2351000100830 The ABS that ensures directional stability and con e The magnetic encoder for detecting the wheel trollability during hard braking ABS is standard speed has been installed instead of the rotor as equippment on the ES and GTS models but is the wheel speed sensor optional e For wiring harness saving and secure data com This ABS uses a 4 sensor system that controls all munication CAN 2 bus has been adopted as a four wheels independently of each other and has the tool of communication with other ECUs bue
26. ring system has been adopted gear valve feature improves the handling stability to all models e Appropriate application of friction to the steering This steering system offers the following features gear cuts off the disturbance from the road sur e The support method of the steering gear to the face and improves the stability during the crossmember is realised by the left and right straight ahead driving internal bushings with inner cylinders This sup e Optimisation of the flexible tube in the high pres port method achieves higher rigidity of the steer sure hose reduces the pump noise ing gear and improves the steering feeling SPECIFICATIONS Remi ation Steering column Column mechanism Shock absorbing mechanism and Tilt steering mechanism Power steering type Integral type Engine speed dependent type amount control system Basic discharge amount cu in rev Stroke ratio Rack stroke Steering wheel Maximum turning radius mm rev in rev Outer wheel 33 50 Power steering fluid Specified lubricants GENUINE MITSUBISHI POWER STEERING FLUID Quantity dm qt Approximately 1 0 1 06 POWER STEERING 37 3 STEERING WHEEL CONSTRUCTION DIAGRAM Oil reservoir Return hose Ze Pressure hose U I 2 Pressure switch assembly N TA Front axle 2 5 Steering gear Heat protector gt CS INE Steering column assembly Steering wheel
27. tegrated for downsizing and better serviceability IMPROVEMENT IN SAFETY e The 4 wheel anti lock brake system 4ABS has been installed to prevent slippage resulting from the wheel lock and assure stable vehicle posture and driveability lt Vehicles with ABS gt BASIC BRAKE SYSTEM 35A 3 GENERAL lt Vehicles without ABS gt Brake booster Reserve tank Master cylinder Rear drum brake Proportioning valve Front disc brake Rear disc brake AC609311AB lt Vehicles with ABS gt Brake booster Reserve tank IQ N Master cylinder Hydraulic unit Rear drum brake Front disc brake Rear disc brake 609312 BASIC BRAKE SYSTEM 39A 4 GENERAL SPECIFICATIONS Specifications Brake booster DEE Effective dia of power urn mm ub 254 10 0 8 5 Pedal pressure 156N Rear wheel hydraulic control type Vehicles without ABS Proportioning valves Vehicles with ABS Electronic control braking force distribution system EBD Front disc brake Type Vehicles with 16 inch wheel Floating caliper 1 piston ventilated disc V5 S57 Vehicles with 18 inch wheel Floating caliper 1 piston ventilated disc V6 S57 Disc effective p Vehicles with 16 inch wheel 222 x 26 8 7 1 02 thickness Vehicles with 18 inch wheel 241 6 x 26 9 5 x 1 02 Cylinder 1 0 mm in 57 1 2 25 Pad thickness mm in 10 0 0 39 Clearance adjustment Automatic Drum 1 0 mm in 203 8 0
28. tion goes below the threshold again ABS ECU controls the brake fluid pressure by repeating the cycle Step 2 to 5 EBD operating conceptual design Ideal distribution curve when seated by fixed persons Hear braking force oe p u Braking force distribution by EBD control Braking Force Braking force distribution curve Improved by the existing proportioning valve ideal distribution curve when seated by one persons Front braking force EBD control is activated in a range with lower slip ratio where ABS 15 disabled EBD calculates vehicle deceleration and slip amount of the four wheels based on the wheel speed sensor signal If the rear wheel speed differs from the vehicle speed by a cer tain level or more EBD increases holds and decreases the pressure at the rear wheel control solenoid valve in the hydraulic unit and then adjusts rear wheel brake fluid pressure fairly close to an ideal distribution curve INITIAL CHECK ABS ECU performs the following initial checks using the diagnostic functions ABS ECU illuminates the ABS warning light for 3 seconds including the initial check after the ignition switch is turned ON If any malfunction is detected ABS ECU continues illumi nating the ABS warning light and disables ABS con trol AC208548AB NOTE The ABS warning light may stay on after the ignition switch is turned ON until the startup vehi cle speed reaches approximately 10 km
29. uth pole sides of the magnets are arranged alternately which rotates at the same speed of the wheel and the wheel speed sensor Semiconductor sensor This sensor outputs frequency pulse signals in pro portion to the wheel speed ACTUATORS ABS warning light Brake warning light The ABS system informs the driver of the ABS sys tem status by illuminating extinguishing or flashing the ABS warning light and brake warning light as fol lows ABS warning light e Turns ON when a system malfunction occurs ETA M2351001000494 lt Vehicles with rear disc brake gt Rear wheel speed sensor Encoder for wheel speed detection AC608548 AB The front wheel speed sensor consists of the front wheel speed sensor mounted on the knuckle and the magnetic encoder for wheel speed detection which 15 press fitted together with the oil seal to the front wheel bearing The rear wheel speed sensor con sists of the rear wheel speed sensor mounted on the trailing arm assembly and the magnetic encoder for wheel speed detection which is press fitted together with the oil seal to the rear wheel bearing M2351002000356 Brake warning light e Turns ON when an EBD system malfunction occurs NOTE e Turns ON when the brake fluid level in the reservoir tank becomes the specified value or lower e Turns ON when the parking brake lever is pulled and the brake is activated ABS warning light and brake warning light illumination or flashing patter
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