Mitsubishi 1993 3000GT Technical Information Manual Download Page 33

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1-9

ENGINE - Cooling System

04 FOOO3

Items

Specifications

Radiator fan motor

Maker

Nippon Denso

Type

Direct flow ferrite type

Rated load torque

Nm (kgm, ft.lbs.) 53 (5.3, 39)

Speed

rpm 2,080 ± 250

Current

·A

13.6 ± 1

Thermo sensor for radiator fan

Operating temperature

°C (ºF)

OFF --+ ON

81-89 (178-192)

ON --+ OFF

77 (171) or more

Thermo sensor for condenser fan

Operating temperature

°C (ºF)

OFF --+ ON

91-99 (196-210)

ON --+ OFF

87 (189) or more

Summary of Contents for 1993 3000GT

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Page 3: ...NGINE GROUP PWEE Looseleaf edition PWUE9119 Vehicles for Europe PWUE9203 Vehicles for General Export and Australia PHUE9201 Vehicles for Europe PHUE9203 Vehicles for General Export and Australia B608K...

Page 4: ...e 4 wheel drive vehicles DOHC Indicates an engine with the double overhead camshaft or a model equipped with such an engine INDICATION OF DESTINATION Europe General Export Australia New Zealand and GC...

Page 5: ...tion concerning the reading of circuit diagrams refer to the separate manual of ELECTRICAL WIRING GENERAL How to Use This Manual EXPLANATION OF CIRCUIT DIAGRAMS The symbols used in circuit diagrams ar...

Page 6: ...e images text and tables I placed a sheet of black paper behind the sheet to be scanned to reduce bleed through of images and text from the back of the sheet or from other sheets Scanner options in Re...

Page 7: ...URES 3 TECHNICAL FEATURES 4 Exterior 4 Interior 5 Engine 6 Transaxle 9 Clutch Booster 10 Chassis 11 Supplemental Restraint System SRS 13 Small Amount Refrigerant System Air Conditioner 14 Theft alarm...

Page 8: ...engine to the road surface thus eliminating the danger that normally accompanies speed has been adopted in a sports car so that anyone can comfortably Exhilarating driving and safety Faithful and spee...

Page 9: ...stability Extra wide tread and wide tyres together provide a high limit for cornering performance High performance brakes due to the combination of 4 piston aluminum caliper brakes and 4 wheel ABS Opt...

Page 10: ...2 Side air dam that provides improved aerodynamic characteristics for the side of the vehicle 3 17 aluminum wheel and wide tread tyre to create the image of a highyerformance sports car 4 Large soft...

Page 11: ...t panel that emphasizes a feeling of closeness 2 Round 3 meter arrangement with sporty imag e 3 Easy to see goggle type meter cluster 4 Full round door trim that appears to be one with the instrument...

Page 12: ...and low fuel consumption The roller rocker arm reduces the valve actuation torque as well as fuel consumption Improved response and fuel consumption have been achieved by electronic control multi poin...

Page 13: ...bearing caps with beams which increase the rigidity of the crank shaft support points Reduction in vibration due to the use of a crankshaft pulley with torsion damper and because of that improvement...

Page 14: ...0 8 GENERAL Technical Features...

Page 15: ...ue of the 6G72 DOHC Turbo engine 1 Sportier driving is possible by using a centre differential method with viscous coupling for distributing front 45 rear 55 front and rear torque unevenly 2 A double...

Page 16: ...cylinder 0 10 GENERAL Technical Features Air intake plenum Clutch pedal Clutch booster Vacuum tank CLUTCH BOOSTER A 4 single type clutch booster is used to reduce the force needed to depress the clutc...

Page 17: ...t with high transmission efficiency and minimum vibration and noise Isometric drive shaft for reduced vibration noise and torque steer A unit ball bearing consisting of the hub and bearing for good se...

Page 18: ...s lost 4 wheel anti lock braking system 4ABS using 4 sensor 2 channel lock method Dual proportioning valve for control of rear wheel braking Face to face and different diameter 4 piston front ventilat...

Page 19: ...SRS is a system that works with the seat belt and is designed as auxiliary equipment to the seat belt It only functions to protect the upper body of the driver when a shock that is over the design va...

Page 20: ...igerant system was developed by improving the structural parts of the air conditioner making it more compact etc in order to reduce as much as possible the amount of chloro fluoro carbon used as the r...

Page 21: ...broken to open ALARM ACTIVATED Engine is disabled and will not start Unauthorized SYSTEM DISARMED Authorized Driver opens door with the key Normal starting been forced open without using a key Further...

Page 22: ...mechanism in the rear suspension Adoption of an outer disc method which makes brake disc removal and installation simple Adoption of audible pad wear indicators in the brakes Adoption of a drum in par...

Page 23: ...intercooler 8 Steering wheel location L Left hand R Right hand 9 Destination 6 For Europe 8 For Australia W For GCC None For General Export Model code Engine model Transmission model Fuel supply syst...

Page 24: ...97 2 Track Front 5 1 560 61 4 Track Rear 6 1 580 62 2 Ground clearance unladen 7 145 5 7 Overhang Front 8 1 030 40 6 Overhang Rear 9 1 060 41 7 Angle of approach degrees 10 11 2 Angle of departure de...

Page 25: ...ressure Control 10 Exhaust Pipe 11 FUEL SYSTEM 12 Fuel pressure Control Valve 12 Fuel Tank 12 CONTROL SYSTEM 14 System Block Diagram 15 Sensors 16 Actuators 18 Fuel Injection Control 19 Idle Speed Con...

Page 26: ...IONS Items Specifications Total displacement cm3 cu in 2 972 181 4 Arrangement and number of cylinders V type 6 cylinders Combustion chamber type Pentroof type Number of intake and exhaust valve per c...

Page 27: ...ENGINE General Information ENGINE SECTIONAL VIEW 7EN0478 1 3 7EN0477...

Page 28: ...lve at 2 kg cm2 28 psi or more Main bearing 7EN0479 MAIN BEARING CAP The main bearing caps are of a conventional integrated type with beam By tightening each of the bearing sections with 4 bolts rigid...

Page 29: ...o the Engine Workshop comes into contact with water or moisture to gener Manual ate hydrogen gas there is a danger that explosion or fire may occur so it should be treated with caution CRANKSHAFT A st...

Page 30: ...high frequency noise Roll stoppers front and rear are installed on the crossmember that is elastically supported on the body to reduce transmission of engine vibration to the body The various mounts h...

Page 31: ...odels In addition an oil level sensor has been equipped in the oil pan Vehicles for Europe Rocker arm Lash adjuster Orifice ENGINE Lubrication System Oil pressure gauge unit Lash adjuster Oil pan To t...

Page 32: ...is used for the motor driven cooling fan and condenser fan for less fan noise reduced vehicle vibration and improved cooling when the engine is idling Refer to GROUP 7 Condenser Fan and Radiator Fan C...

Page 33: ...ect flow ferrite type Rated load torque Nm kgm ft lbs 53 5 3 39 Speed rpm 2 080 250 Current A 13 6 1 Thermo sensor for radiator fan Operating temperature C F OFF ON 81 89 178 192 ON OFF 77 171 or more...

Page 34: ...ranged on the front and rear banks just like the turbocharger With the combined action of the turbocharger and intercooler powerful acceleration is possible from any speed Intake Intercooler Turbochar...

Page 35: ...l pipe is used for the front pipe to improve exhaust efficiency and a dual tail pipe with muffler cutter is used as the main muffler Heat protector Vehicles for Australia Flexible pipe Oxygen sensor V...

Page 36: ...sure control solenoid valve which is the same as the one fitted in the convention Fuel pump drive terminal PCV Delivery pipe FUEL PRESSURE CONTROL VALVE al 4G63 engine The fuel tank is located under t...

Page 37: ...features Baffle plates are placed inside the fuel tank to prevent abnormal noise due to fuel movement There is a reseve cup inside the fuel tank for Thermistor for fuel warning light current flow to t...

Page 38: ...provement in crank angle sensor precision changed Crank angle previously detected from Improvement in ignition timing control precision the camshaft is now detected directly from the crankshaft Adopti...

Page 39: ...Remarks The changed or added items with respect to the conventional engine are shown in bold letters ENGINE Control System 1 15 SYSTEM BLOCK DIAGRAM...

Page 40: ...convert the rotation of the camshaft and crankshaft into pulse sig NO 1 cylinder TOC signal 1 16 Crank angle sensor nals as shown in the illustration below and input these pulse signals to the engine...

Page 41: ...ne where the magnetic flux passing through the Hall element inside the sensor unit is alternately screened and allowed through by the vanes on the flux screening plate TWIN OXYGEN SENSOR Europe Hong K...

Page 42: ...is the relay that changes the supply voltage to the fuel pump in 2 steps High Low The engine control unit controls the amount of fuel discharged from the fuel pump by changing the supply voltage FUEL...

Page 43: ...ENGINE Control System SYSTEM CONFIGURATION DIAGRAM 1 19 FUEL INJECTION CONTROL The fuel injection control method is basically the same as that used in the conventional 6G72 engine...

Page 44: ...SPEED CONTROL ISC 1 Stepper motor STM position control with the anti lock braking system ABS function was added SYSTEM CONFIGURATION DIAGRAM 2 Other controls are basically the same control system as...

Page 45: ...ENGINE Control System 1 21 MECHANICAL DASHPOT There is a mechanical dashpot which gradually closes the throttle valve from a set opening during deceleration to improve deceleration feeling...

Page 46: ...1 22 ENGINE Control System IGNITION TIMING AND ON TIME CONTROL The ignition timing and on time control methods are basically the same as those used before SYSTEM CONFIGURATION DIAGRAM...

Page 47: ...stor so current flows in the coil of fuel pump relay No 2 As a result the relay switch changes form A to B refer to the figure on the left and current flows via the resistor to the fuel pump motor The...

Page 48: ...calculates the engine load Duty ratio Load Duty Ratio The duty ratio is defined as ON time ratio T2 T1 of a 33 3 Hz pulse When the duty ratio increases average current that flows to the turbo meter a...

Page 49: ...n the waste gate actuator leaks out On the other hand when current does not flow in the waste gate solenoid valve coil duty 0 the waste gate valve opens if turbo pressure rises to the set pressure of...

Page 50: ...em FUEL PRESSURE CONTROL FUEL SYSTEM FUEL PRESSURE CONTROL VALVE Refer to P 1 12 AIR FLOW SENSOR AFS FILTER RESET CONTROL AIR CONDITIONER RELAY CONTROL These controls are the same as those for the con...

Page 51: ...se tester is disconnected from the diagnosis connector all fault codes will be cleared from the memory and the DIAGNOSIS 2 mode will be changed back to the DIAGNOSIS 1 mode 2 The other functions remai...

Page 52: ...Cam position sensor Abnormal sensor output Valid 24 Vehicle speed sensor reed switch Open or short circuit in sensor circuit Valid 25 Barometric pressure sensor Open or short circuit in sensor circuit...

Page 53: ...time Front bank mS 49 Air conditioner relay ON OFF Item No Actuator test item 01 NO 1 injector OFF 02 NO 2 injector OFF 03 NO 3 injector OFF 04 NO 4 injector OFF 05 NO 5 injector OFF 06 NO 6 injector...

Page 54: ...he canister is drawn into the P port of the throttle body in the same way as in engines without turbocharger When driving with a high load on the engine the purge control valve opens and the fuel vapo...

Page 55: ...GCC and General Export Australia ENGINE Emission Control System 1 31...

Page 56: ...control system makes constant speed driving possible at a speed designated by the driver within a range of approx 40 200km h 25 125m ph without depressing the accelerator pedal NOTE The cruise contro...

Page 57: ...ter 3 MANUAL TRANSMISSION 4 Specifications 4 Sectional View 5 W5MG1 4WD Transmission 6 Transmission Control 10 PROPELLER SHAFT 11 Specifications 11 FRONT AXLE 12 Specifications 12 REAR AXLE 13 Specifi...

Page 58: ...pe Facing diameter 0 0 x 1 0 mm in 250 x 160 9 8 x 6 3 Clutch cover assembly Type Diaphragm spring strap drive type Setting load N kg lbs 9 200 920 2 024 Clutch release cylinder 1 0 mm in 19 05 3 4 Cl...

Page 59: ...The structural operation of the clutch booster is basically the same as with the brake booster Diaphragm Booster piston Push rod Valve plunger stopper key Negative pressure chamber 08F0007 Operating...

Page 60: ...3 076 40 13 Primary reduction ratio number of gear teeth 1 375 44 32 Front differential gear ratio number of gear teeth 2 888 52 18 Transfer gear ratio number of gear teeth 0 814 22 27 Torque split r...

Page 61: ...gear 17 Center differential 5 Transaxle case 18 Reverse idler gear 6 3rd speed gear 19 Front differential 7 3rd 4th synchronizer hub 20 Transfer driven bevel gear 8 4th speed gear 21 Transfer drive b...

Page 62: ...ER TRANSMISSION COMPONENTS Manual Transmission W5MG1 4WD TRANSMISSION The W5MG1 is a 3 shaft full time 4WD transmission It is not only a planetary gear type differential with the center differential o...

Page 63: ...revolve in the same direction and the sun gear rotates Zr Zs for one rotation of the ring gear The figure on the left shows the velocity diagram for such a case According to the velocity diagram the...

Page 64: ...iner respectively and is coupled with the clutch gear by the projections 6 locations on the speed gear The outer synchronizer ring touches the outer surface liner of the synchronizer cone at the insid...

Page 65: ...nce in rotational speed of the 1st speed gear and the synchronizer hub disappears Under these conditions since the synchronizer sleeve is pressed to the left the synchronizer sleeve spline and outer s...

Page 66: ...ion of vibration to the shift lever assembly improving the shifting feel A combination of a wave washer and thrust washer are used in the shift lever shaft of the shift lever assembly and this not onl...

Page 67: ...haft using rubber with an inner tube inserted in the outer tube to reduce vibration and noise from the drive train SPECIFICA TIONS NOTE Propeller shaft length indicates the length between center point...

Page 68: ...n The B J joint boot is made of highly durable resin to provide improved reliability SPECIFICATIONS The B J joint boot is made of highly durable resin to provide improved reliability Item Specificatio...

Page 69: ...6 Overall length mm in 245 4 9 7 Bearing 0 D x I D Outer mm in 72 x 35 2 83 x 1 38 Inner mm in 58 x 28 2 28 x 1 10 Drive shaft Joint type Outer B J Inner T J Length joint to joint x diameter mm in 395...

Page 70: ...shaft featuring the same good transmission ef ficiency low vibration and low noise as the front drive shaft On the axle shaft side there is a B J type joint that can bend to a great degree to match mo...

Page 71: ...ference responsive viscous coupling type Cooling fins limited slip differential which provides outstanding performance during operation on a muddy surface has been established There is a 4 wheel steer...

Page 72: ...mounted on the suspension crossmember by the differential supports and differential support member It is elastically mounted via a bushing Differential support R H Differential support member Differe...

Page 73: ...s of Each Control 10 Structure and Operation 11 WHEEL AND TYPE 21 Specifications 21 POWER STEERING 22 Specifications 22 Steering Wheel and Column 23 Oil Pump 26 4 WHEEL STEERING 4WS SYSTEM 27 Specific...

Page 74: ...Optimization of spring characteristics of suspension bushing 7 Adoption of a liquid filled bushing as the front suspension lower arm bushing 1 Adoption of double elastic supported suspension members 2...

Page 75: ...h coil spring and compression rod type Camber 0 30 Caster 3 55 30 Toe i n mm in o 3 0 0 12 Coil spring Wire dia x 0 D x free length mm in Vehicles for Europe 15 4 x 185 4 x 293 0 61 x 7 30 x 11 54 Veh...

Page 76: ...TMENT MECHANISM It is possible to adjust the camber by turning the strut lower mounting bolt Section A A Adjusting cam eccentric bolt 12F0028 12FOO26 Stabilizer bar Strut assembly No 2 crossmember Rig...

Page 77: ...mm Ibs in 28 0 2 8 157 Shock absorber Type Hydraulic cylindrical double acting type Stroke mm in 203 8 0 Damping force at 0 3 m sec 0 984 ft sec Expansion N kg Ibs Hard 1 710 171 377 Medium 1 160 116...

Page 78: ...and link as a real suspension crossmember but also supports the rear differential The crossmember support bushing provides better isolation of high frequency noise such as noise from the differential...

Page 79: ...ol Suspension ECS 3 7 ELECTRONIC CONTROL SUSPENSION ECS Items Specifications Suspension system MacPherson strut with coil spring and compression rod type Camber 0 30 Caster 3 55 30 Toe i n mm in o 3 0...

Page 80: ...Stabilizer bar Mounting method Pillow ball type 0 D mm in 22 0 86 12F0036 G sensor 3 8 DRIVE CONTROL COMPONENTS Electronic Control Suspension ECS REAR SUSPENSION Front shock absorber R H Built in F R...

Page 81: ...Indicates control mode Inside combination meter Damping force changeover actuator Orifice changeover of inside of Built in shock absorber x 4 shock absorber ECS control unit System control Right side...

Page 82: ...ng high SOFT speed Vehicle position control when starting and braking Comfortable riding control when there is up down vibration of MEDIUM HARD the vehicle and when driving on bad roads is detected SP...

Page 83: ...or are made up of a piezoelectric ceramic and a weight The weight adds extra force on the piezoelectric ceramic depending on the up down vibration and the G sensor outputs an electric signal according...

Page 84: ...nd it is made up of the encoder pattern and the brush rotating above it Switches 1 and 2 are turned ON and OFF by the rotations of the brush The relation between the switch output and the damping forc...

Page 85: ...n indicator lamp green to indicate the mode in the combination meter When a breakdown is detected it flashes at intervals of 0 5 second to warn the driver Mode TOUR SPORT When breakdown TOUR lamp ON O...

Page 86: ...rom the position detection switch it stops the signal sent to operate the damping force changeover actuator 12F0047 3 14 DRIVE CONTROL COMPONENTS Electronic Control Suspension ECS SOFT MEDIUM SOFT MED...

Page 87: ...ce When bounding Since the orifice is closed oil in the lower part of the piston pushes wide the valve in the upper part of the piston and flows out so flow resistance increases and a higher damping f...

Page 88: ...ing force of the 4 shock absorbers ECS control unit ECS indicator lamp F R damping force changeover actuator F L damping force changeover actuator R R damping force changeover actuator R L damping for...

Page 89: ...and holding that condition for 1 second return to normal damping force SOFT High Speed Response Control CONTROL START When vehicle speed exceeds 130km h 81 mph in the TOUR mode the damping force chan...

Page 90: ...road such as gravel road etc via the output of the G sensor the suspension is changed to MEDIUM for improved riding Warning Display Function When a breakdown is detected the TOUR and SPORT ECS indicat...

Page 91: ...OFF However in the case of breakdowns marked with an asterisk normal operation is resumed if normal output is generated even when the ignition switch is in ON e g transient breakdown In this case the...

Page 92: ...t function By using the multi use tester to send an order to the ECS control unit it is possible to force drive the ac tuator ACTUATOR TEST CHART Item No Actuator test items Shock absorber damping con...

Page 93: ...re 3 21 WHEEL AND TYRE SPECIFICATIONS Items Specifications Tyre size 225 50R17 Wheel type Aluminum type Wheel size 17 x 7 1 2 JJ Amount of wheel offset mm in 46 1 8 Tyre inflation pressure kPa kg cm 2...

Page 94: ...type rack and pinion system Items Specifications Steering wheel maximum turns 2 52 Steering angle vehicle in unladen Inner wheel 33 45 2 Outer wheel 28 21 Steering gear and linkage Type Integral type...

Page 95: ...l to assure driver protection STEERING WHEEL CONSTRUCTION Section A A SRS The steering shaft and column absorb shock energy when there is a collision with its shock absorbing structure that protects t...

Page 96: ...LT STEERING OPERATION 1 If the tilt lever is lowered to the free position the tilt bolts A B move in the loosening direction outer side so the steering column can be slid up and down 2 If the tilt lev...

Page 97: ...bly crushes the polyacetal resin absorbing the shock load using the friction of the steering column lower and steering column bush as it slides into the lower pipe 2 When the driver strikes his body o...

Page 98: ...t provides light steering at low engine speed and ideal harder steering at high speed OIL PUMP PERFORMANCE 13F0042 NOTE 1 P Qf characteristic Pump pressure and pump delivery rate 2 N Qf characteristic...

Page 99: ...ev 3 3 0 20 Relief set pressure M Pa kg cm2 psi 4 40 569 Rotating direction normal Clockwise viewed from gear side Power cylinder Type Hydraulic double acting type Full stroke mm in 20 0 8 10 0 4 for...

Page 100: ...r the rear wheel steering delivers the amount of oil proportional to the rear wheel speed This allows rear wheel steering angle control proportional to the vehicle speed at middle and high speeds over...

Page 101: ...s linked to the middle joint of the right and left trailing arms The piston rod in the power cylinder moves either to the right or left ac Control valve mounting bracket cording to the steering wheel...

Page 102: ...nt ventilated disc brakes made from aluminium have been adopted 4 Face to face 2 piston rear ventilated disc brakes made from aluminium have been adopted 5 A tandem brake booster is used for a big bra...

Page 103: ...caliper 4 piston Rigid caliper 4 piston ventilated disc M R76Z ventilated disc M R66Z Disc effective dia mm in 270 x 30 10 6 x 1 18 249 x 30 9 8 x 1 18 x thickness Cylinder I D mm in 40 4 1 19 32 x 2...

Page 104: ...the brake pedal 3 32 DRIVE CONTROL COMPONENTS Service Brakes Piston large 14F0030 Wear indicator 14F0041 DIFFERENT DIAMETER PISTONS During braking hydraulic pressure is generated in each piston to pre...

Page 105: ...built into the brake disc For safety there is an audible wear indicator in the inner side of the pad to warn when the limit of pad use has been reached Clearance is automatically adjusted by pressing...

Page 106: ...FF signal to the ECU depending on vehicle acceleration Stop lamp switch 3 Sends a signal to the ECU indicating whether the brake pedal is pressed on not Hydraulic unit HU 4 Controls braking pressure f...

Page 107: ...14F0063 DRIVE CONTROL COMPONENTS Anti lock Braking System ABS 3 35 SYSTEM DRAWING Front left wheel FL Rear left wheel RL...

Page 108: ...FL 14F0062 3 36 DRIVE CONTROL COMPONENTS Anti lock Braking System ABS ABS ELECTRIC DIAGRAM...

Page 109: ...TS Anti lock Braking System ABS 3 37 ABS HYDRAULIC FUNCTION DRAWING The ABS uses 2 channels 2 hydraulic systems with the hydraulic control method being as follows It controls the front and rear wheels...

Page 110: ...n of the sensor it is possible to make the speed sensor and rotor gap unadjustable types Front wheel Rear wheel 14F0057 14N0118 ACTUATOR HYDRAULIC UNIT HU The HU is supported elastically via the brack...

Page 111: ...is a double check the wheel speed sensor signal and valve control signal are compared by both CPUs and if the data do not match ABS control is stopped Furthermore there is a diagnostic function for e...

Page 112: ...el speed sensor 43 Solenoid valve drift error R R 14 Broken wire or short in wheel speed sensor 51 Abnormality in valve relay R L 15 Wheel speed sensor abnormality 52 Abnormality in motor relay or pum...

Page 113: ...ing brake is offset toward the driver s seat from the vehicle centreline for greater ease of operation The parking brake cable is of the V type and is acces sible for adjustment through the service ho...

Page 114: ...NOTES...

Page 115: ...10 Door Panel 10 Door Lock 11 Window Glass Regulator 12 LID 13 Hood 13 Tailgate 13 WINDOW GLASS 13 SUNROOF 14 4 1 GENERAL DESCRIPTION 2 Features 2 MAIN BODY 3 Body Panelling 3 Body Shell 4 Interferen...

Page 116: ...1 Improvement in door operation feeling due to adoption of a roller type 2 step door check 2 Use of side door beams 3 Adoption of gas springs to reduce the operation force for opening and closing the...

Page 117: ...BODY Main Body 4 3...

Page 118: ...nel is mounted on the outside of rear lamp housings so the panel replacing work becomes easier 31F0096 4 4 BODY Main Body BODY SHELL HEADLAMP SUPPORT A structure as shown below is used with the large...

Page 119: ...Iarge integrated backbone reinforcement on the upper surface of the front floor to improve rigidity 3 The number of beads in the front floor pan is reduced to make the bottom surface of the floor fla...

Page 120: ...boundary surface thin Reflection by boundary surface thick Reflection by surface Reflection by boundary surface Surface Boundary surface 3050047 Varieties of blue Damped Reflection by boundary surface...

Page 121: ...OURED PEARL COATING The powder mica surface coated with titanium dioxide is further coated with coloured inorganic compound for its colouring The hue is determined by combination of the hue of powder...

Page 122: ...4 8 BODY Main Body...

Page 123: ...e by making all parts matched with flush surface Furthermore indentations of the vehicle underbody have been drastically reduced to improve the air pressure effect by regulating the flow under the flo...

Page 124: ...when driving at high speed is shut down Cross section A A DOORS Full glass catch Door window glass Drip line weather strip Weather strip holder 4 10 BODY Air Pressure Noise Reduction I Doors DOOR PANE...

Page 125: ...locked and un locked by means of the driver s side inside lock knob or by the door lock key NOTE Refer to GROUP 54 ETACS for central door locking 18F0207 Outside handle BODY Doors 4 11 Latch Door loc...

Page 126: ...ich happens when opening and closing the com plex curved glass door window can be absorbed In Door window glass order to prevent the glass from getting scratched a glass striker is mounted on the outs...

Page 127: ...reserve the image of a capsule cabin complex curved glass is used for the door window glass WINDOW GLASS An adhesive method is used to mount the wind shield glass quarter window glass and tailgate gla...

Page 128: ...of Sunroof trim assembly This sunroof has the following features Adoption of a sunroof regulator which enables the sunroof tilt to be adjusted to any desired angle Tilting is possible to a maximum 50m...

Page 129: ...EXTERIOR CONTENTS ACTIVE AERO SYSTEM 6 Construction Diagram 7 Construction and Operation 8 5 1 SUMMARY OF EXTERIOR PARTS 2 BUMPERS 3 DOOR MIRRORS 4 AERO PARTS 5...

Page 130: ...t operates at vehicle speeds of 80 km h 50 mph or more has also been provided Improvement in appearance 1 Air intake side air dam 2 Bumpers that emphasize width and lowness 3 Centre pillar garnish to...

Page 131: ...e of the front bumper bends around to the wheel cut and line up with the fender so that the flash surfaced body is realized Front Bumper TPO Thermo Plastic Olefin elastomer is used as the material for...

Page 132: ...ogger switch is turned ON it operates under the control of the ETACS for Mirror Body All models are equipped with the electric remote control mirror The electric remote control switch is installed on...

Page 133: ...cles for Australia The following aero parts are used to improve aerody namic characteristics and marketability Fixed type rear spoiler to improve the aerodynamic characteristics of the rear of the veh...

Page 134: ...dard positions at 50 km h 31 mph or less are equipped This active aero system has the following features Front wheel lifting force has been reduced by means of the front venturi skirt and rear wheel l...

Page 135: ...CONSTRUCTION DIAGRAM Motor Crank arm Linkage Variable front venturi skirt Motor Cable Variable rear spoiler 18F0247 18F0248 Key reminder switch Active aero warning lamp Vehicle speed sensor Active ae...

Page 136: ...le and the spoiler is tilted forward 18F0246 approximately 15 In addition when the motor is reversed the slider is pushed by the cable and the spoiler is lowered by the reverse operation to that of li...

Page 137: ...nturi skirt and rear spoiler are not fully in the operated position or the standard position the active aero control unit outputs a signal after 0 5 seconds as shown in the illustration at left to re...

Page 138: ...nd rear spoiler move to the operated position If the switch is set to OFF or the ignition key is However because the switch is a self return removed they will return to the standard type it will move...

Page 139: ...omes OFF relay 1 turns OFF and the motor stops In the same way the rear spoiler drive circuit turns transistor Tr3 and relay 2 ON operating the motor and moving the rear spoiler to the operated positi...

Page 140: ...peration chart for front venturi skirt limit switches 5 12 EXTERIOR Aero Parts Operation chart for rear spoiler limit switches Active aero switch Active aero control unit To rheostat Front venturi ski...

Page 141: ...enturi skirt and rear spoiler are in the operated position each drive circuit outputs a standard signal in any of the cases 1 4 for the following order of conditions 1 2 and 3 Because the operation of...

Page 142: ...18F0238 5 14 EXTERIOR Aero Parts Operation chart for front venturi skirt limit switches Operation chart for rear spoiler limit switches...

Page 143: ...nd Operation 5 Head Restraint Horizontal Adjustment Mechanism 8 SEAT BELT 9 Construction and Operation of the Energy absorbing Belt and the Buckle 9 Electric Type Low Tension Seat Belt 10 Vehicles for...

Page 144: ...ion of ideal driving position 1 Full trim interior 2 Round and one unit instrument panel 3 Single formed headlining 4 Cubic formed door trim 1 Large floor console 2 Split type rear seat 3 Automatic ro...

Page 145: ...older inside the box Rear console assembly Cup holder Knee protector Front console assembly INTERIOR Instrument Panel and Console Box Shelf Cover 6 3 Glove compartment 19F0076 SHELF COVER An automatic...

Page 146: ...re is a special function in this seat when the seatback is forward reclined and then set upright again it fixes to the original seatback angle The passenger s seat has a walk in function so it is easy...

Page 147: ...ectively Then the rod joined to the arm moves pushing the lumbar support plate to the front This is a stepless continuous stroke adjustment In addition if the switch is pushed to the rear the operatio...

Page 148: ...ce the sector gear shaft and arm are fixed the seat cushion rises continuously stepless along with the revolution of the sector gear As the seat cushion continues to rise the claw on the shaft turns t...

Page 149: ...rail pushes the limit switch on the lower rail to turn it OFF and the motor stops INTERIOR Seats 6 7 RECLINING ADJUSTMENT MECHANISM WITH MEMORY If the seatback is raised after being inclined to the f...

Page 150: ...e the plate is pushed forward by pin A When the headrestraint is pushed straight forward to the maximum forward position the oval hole hits pin B in the sector gear and the plate cannot move for backw...

Page 151: ...TERIOR Seat Belt 6 9 SEAT BELT The seat belt has the following mechanisms CONSTRUCTION AND OPERATION OF THE ENERGY ABSORBING BELT AND THE BUCKLE The front seat belt has on it a sleeve inside which the...

Page 152: ...haft and bush shaft are coupled The reducing spring and normal spring are springs used to wind the webbing The reducing spring ends are fixed to the bush shaft and the spring case and the normal sprin...

Page 153: ...ing Out Since the memory tape is wound up the bushing shaft and tape holder turn as one unit The torque of the two springs the reducing spring and normal When stored When pulled out Buckle Switch ON W...

Page 154: ...the condition of the 2 springs is uniform when stored When wound up 19N0079 6 12 INTERIOR Seat Belt Buckle Switch ON When Seat Belt is Initially Wound Up When the tongue is released from the buckle wi...

Page 155: ...e driver s body INTERIOR Supplemental Restraint System SRS 6 13 Front impact sensor L H Has a double detection circuit to allow the air bag to deploy only when either of the right and left front impac...

Page 156: ...6 14 INTERIOR Supplemental Restraint System SRS SRS SCHEMATIC...

Page 157: ...e labels are written in German or French INTERIOR Supplemental Restraint System SRS 6 15 WARNING CAUTION LABELS A number of caution labels relating to the SRS can be found in the vehicle as shown in t...

Page 158: ...The air bag system must be inspected by an authorized dealer ten years after the date of vehicle registration Read SRS section of your owner s manual before driving for important information about ope...

Page 159: ...are 2 different types of sensors used 2 front impact sensors and safing impact sensor One front impact sensor is provided in each of the right and left lower side members and one safing impact sensor...

Page 160: ...case Inactive gas 13R0664 Impact 13R0659 Fixed contact 6 18 INTERIOR Supplemental Restraint System SRS Sealant Case Fixed contact Moving contact Roller Front impact sensor Safing impact sensor G sens...

Page 161: ...oth with a rubber coating inside It is accommodated in the pad at the centre of the steering wheel together with the inflator The air bag is inflated by the nitrogen gas from the inflator The load of...

Page 162: ...diffuser screen etc contained in an aluminum container It is mounted in the air bag module housing The bottom of the inflator is provided with an electrical connection to which an ignition current is...

Page 163: ...40 milliseconds after the collision the air bag will be fully inflated 5 In approximately 55 milliseconds after the collision the pressure of the driver against the air bag causes the gas to escape th...

Page 164: ...t the driver It also stores in memory what the problem is and the duration of the problem the duration during which the warning lamp kept ON The condeilsers provided in the diagnosis unit accumulates...

Page 165: ...omponent Main Monitoring Point Diagnosis Code No Double lock connector Unlock or lock switch open circuited 34 1 IG1 voltage low Multi purpose fuse No 11 is 41 1 blown Battery IG 1 voltage low Multi p...

Page 166: ...lies from fuses 11 and 18 are connected via diodes in the diagnosis unit If the voltage is larger than 9V between the connector terminal of the unit and the ground the squib can be ignited 2 The IG 1...

Page 167: ...on tinues to lamp even if normal operation of the system is restored until the diagnosis code is erased INTERIOR Supplemental Restraint System SRS 6 25 4 Automatic diagnosis code erasure function The...

Page 168: ...s side connectors are fitted Primary lock 2 The secondary lock lever mounted to the SRS diagnosis unit side connector is pressed down by finger until a click is heard indicating that the connectors ha...

Page 169: ...NG MECHANISM The mechanism is designed for prevention of accidental explosion of the inflator when the clock spring connector for the squib circuit is removed from the SRS diagnosis unit The operating...

Page 170: ...cable loosely wound like a coil is held in the upper and lower cases with one of its ends mounted to the rotor and the other end mounted to the upper case The upper and lower cases are mounted to the...

Page 171: ...d in the opposite direction to the rotating direction of the rotor by the difference in the number of teeth between the gear and ring gear or by 10 teeth Markings R2 1 NEUTRAL 1 and 2L are made on the...

Page 172: ...od order the lamp should illuminate for approximately 7 seconds after the ignition key has been turned ON or the engine has been started and will then go out The SRS warning lamp has only one display...

Page 173: ...ructural Diagram 19 ACCESSORY SOCKET 20 ETACS ELECTRONIC TIME AND ALARM CONTROL SYSTEM 21 Summary of Functions 21 Operation 23 Central Door Locking Preventing Doors From Being Locked When Ignition Key...

Page 174: ...ngine compartment inspection lamp 2 Adoption of combination gauge 3 set gauge for a sporty feeling 1 Diagnosis connector 2 Ignition timing adjustment terminal 3 Fuel pump operation check terminal 4 En...

Page 175: ...Conductor Automobile Vinyl Semi rigid Wire is used for the electrical wiring harness to make it lighter There is central connector diagnosis connector for diagnosis inspection of each electronic contr...

Page 176: ...s designed to improve serviceability and has the following functions DIAGNOSIS CONNECTOR The diagnosis connector for the following systems is located on the right side of the junction block 1 MPI 2 3...

Page 177: ...n vertically are used Air resistance when driving is reduced by the aerodynamic shape Items Specifications Exterior lamps Headlamps W 65 45 Fog lamps or driving lamp W 35 Clearance lamp W 5 Front comb...

Page 178: ...ompartment lamp High mounted stop lamp Luggage compartment lamp 16F0422 License plate lamp Back up lamp Rear combination lamp Foot lamp HEADLAMP The headlamps go up and down when the lighting switch o...

Page 179: ...ed to the pop up motor moves the link assembly to raise the headlamp The link assembly uses a parallel link system so each link operates through the three fixing points on the right and left to raise...

Page 180: ...CLES FOR AUSTRALIA Since the head lamp faces the front even when retracted the head lamp if used when passing lamps up and shines in retracted condition through the optical horn lens place for the len...

Page 181: ...r General Export and GCC NOTE o indicates the head lamp operation or position resulting from switch operation Lighting switch ON means that the head lamps are in the illumination position ELECTRICAL L...

Page 182: ...up motor relay coil side to earth the pop up motor relay contact side goes ON current flows in the pop up motor and the headlamp starts to go up When the crank arm rotates approximately 1800 and reac...

Page 183: ...a the column switch lighting switch the head lamp relay contact side goes ON current flows in the headlamp the judgment circuit in the ETACS control unit senses the ON signal at the same time as the h...

Page 184: ...hen the pop up motor rotates approximately 1800 and reaches the position for auto matically stopping the down movement current to the pop up motor is cut off the pop up motor stops and the headlamp st...

Page 185: ...to the rear of the head lamps and the headlamp leveling switch located at the lower left part of the instrument panel When the headlamps are illuminated the illumination angle in the vertical directi...

Page 186: ...rs and Gauges METERS AND GAUGES COMBINATION METER The combination meter uses analogue meters that are large and easy to read indicator lights and warning lights The speedometer is an electric type tha...

Page 187: ...speed sensor is mounted directly on the transmission speedometer driven gear The rotation of the driven gear is transmitted to a magnet via the rotating shaft The IC built into the Characteristics Th...

Page 188: ...ectric signal from the vehicle speed sensor in the shaping circuit and after calculating vehicle speed at the calculation circuit it controls current flow to the cross coil and stepping motor It deter...

Page 189: ...axis of the magnet in the direction of the combined magnetic field and thus rotates the speedometer pointer NOTE The speedometer pointer is attached to the pointer shaft 20 counterclockwise to the mag...

Page 190: ...r in the washer tank is low The rear wiper is used for improved rear STRUCTURAL DIAGRAM visibility when it rains etc It has the following additional features It uses a fixed time intermittent wiper Th...

Page 191: ...uble cone for high low frequency sound rear speaker single cone for high low frequency sound 7 stop retractable motor driven antenna with a total length of 900mm 35 4 in STRUCTURAL DIAGRAM 16F0414 NOT...

Page 192: ...neral Export GCC and Australia AM FM electronic tuning radio with tape player 1 DIN 16N0598 16N0597 7 20 ELECTRICAL Radio and Tape Player I Accessory Socket ACCESSORY SOCKET There is a convenient acce...

Page 193: ...alized control of all timer and alarm functions This control unit has an input check function to check normality or abnormality of the circuit from the input switch to micro computer in the control un...

Page 194: ...7 22 ELECTRICAL ETACS...

Page 195: ...rn ON for 0 5 seconds by means of timer circuit I and all of the doors lock In addition when the inside lock knob on the driver s side is unlocked the L signal is reversed by the NOT1 and a H signal i...

Page 196: ...cuit and an H signal of the timer circuit are input to the AND and the output H signal turns transistor Tr1 ON This causes the defogger relay to operate and current flows to the defogger After 11 minu...

Page 197: ...to turn ON and the front seat belt solenoid can operate for a further 30 seconds 16F0416 ELECTRICAL ETACS 7 25 SEAT BELT TENSION REDUCER TIMER 1 Because an H signal is input to the OR1 when the igniti...

Page 198: ...ed immediately since the timer circuit is not activated 16F0306 7 26 ELECTRICAL ETACS DIMMER TYPE LAMP 1 If the room lamp switch is the DOOR position and the door is opened door switch ON current from...

Page 199: ...417 ELECTRICAL ETACS 7 27 SEAT BELT WARNING LAMP 1 Voltage is applied from the battery via the seat belt warning lamp to the Tr collector 2 When the ignition switch is turned ON the timer circuit outp...

Page 200: ...h is off an H signal is input to the washer switch ON time detection circuit and when the washer switch ON time is less than 0 6 second timer circuit I is activated there is a t second washer switch O...

Page 201: ...rminals on the diagnosis connector The diagnosis connector is installed on the side of the junction block on the lower left side of the instrument panel The ETACS input inspection function has the fol...

Page 202: ...FUNCTIONS RELATED WITH ETACS NOTE 1 mark indicates a switch or sensor that can be used for input inspection with the multi use tester 2 0 mark indicates a part relevant for each function 7 30 ELECTRI...

Page 203: ...econds thus providing audible warning signals Furthermore the starter circuit is interrupted in such a way that the engin e cannot be started if the ignition key is not used Note that this system is c...

Page 204: ...larm has finished the 30 sec alarm will be activated again 7 32 ELECTRICAL Theft alarm System ARMING THE SYSTEM DISARMING THE SYSTEM ACTIVATING THE ALARM DEACTIVATING THE ALARM 1 To deactivate the ala...

Page 205: ...Adoption of heater unit with maximum cool by pass 1 Adoption of a multi flow type condenser 2 Adoption of a small amount refrigeration system ELECTRICAL Heater and Air Conditioning 7 33 HEATER AND AIR...

Page 206: ...nditioner colour monitor 7 34 ELECTRICAL Heater and Air Conditioning COMPONENTS AIR CONDITIONER Interior temperature sensor Photo sensor Engine coolant temperature switch for air conditioner cut off 2...

Page 207: ...ON Air Inlet and Air Outlet Centre ventilator 20F0046 To door window side defroster 20F0051 To front window defroster To passenger s feet and knees Centre ventilator To driver s feet and knees To driv...

Page 208: ...refrigerant permeated into the refrigerant line rubber hose AIR CONDITIONER COMPRESSOR Leakage of refrigerant from bearings has been reduced by changing the air conditioner bearings from metal seal to...

Page 209: ...noise is reduced by reducing air flow resistance inside the heater and by controlling the generation of air turbulence inside the heater By pass passage 20F0047 AIR CONDITIONER CONTROL PANEL There is...

Page 210: ...1 Nc x100 Ne engine rpm Ne x Pulley ratio Nc compressor rpm Control when Compressor Locks Since the compressor and alternator are driven by the same belt the electric generating function of the altern...

Page 211: ...ELECTRICAL Heater and Air Conditioning 7 39 MPI control unit Engine coolant temperature switch Thermostat Dual pressure switch Revolution pick up sensor Air conditioner control panel 20F0044...

Page 212: ...ngine coolant temperature and is designed to improve cooling efficiency and to reduce fan noise FAN REVOLVING OPERATION MODE 20F0147 7 40 ELECTRICAL Heater and Air Conditioning Belt lock controller To...

Page 213: ...ion damper potentiometer Reaches DEF FACE when set to FACE broken or short circuited 41 Trouble in air mix damper drive system 42 Trouble in mode selection damper drive system High pressure pipe A Fla...

Page 214: ...NOTES...

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Summary of Contents for 1993 3000GT

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Mitsubishi 1993 3000GT, Technical Information Manual

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Summary of Contents for 1993 3000GT

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