This manual has been prepared as an introduction to the
specifications, features, construction, functions, etc. of
the newly developed 3000GT. Please read this manual
carefully so that it will be of assistance for your service
and sales activities. Please note that the following service
manuals are also available and should be used in
conjunction with this manual.
WORKSHOP MANUAL
ENGINE GROUP
CHASSIS GROUP
ELECTRICAL WIRING
PARTS CATALOGUE
All information, illustrations and product descriptions
contained in this manual are current as at the time o
publication. We, however, reserve the right to make
changes at any time without prior notice or obligation.
PWEE
(Looseleaf edition)
PWUE9119 (Vehicles
for Europe)
PWUE9203
(Vehicles for
General Export
and Australia)
The following abbreviations are used in this manual for classification of model types.
M/T
:
Indicates the manual transmission, or models equipped with the manual transmission.
MPI: Indicates the multi-point injection, or engines equipped with the multi-point injection.
4WD: Indicates the 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 GCC used for convenience to indicate destination.
NOTE
1. "General Export" means territories other than Europe, Australia, New Zealand, GCC, the U.S.A. and
Canada.
2. "GCC" means member of the Gulf Cooperation Council nation.
3. In some instances, vehicles with other specifications may be shipped to some countries.
GENERAL - How to Use This
EXPLANATION OF CIRCUIT DIAGRAMS
The symbols used in circuit diagrams are used as
described below.
Manual
NOTE
For detailed information concerning the reading of circuit
diagrams, refer to the separate manual of
WIRING".
"ELECTRICAL
NOTES
This electronic document was created from material published and copyrighted in 1992 by Mitsubishi Motor
Corporation (MMC). All rights to the original material are reserved by them.
This electronic document may be distributed freely, without financial charge. Note that this document is not an exact
replica of the original manual. Because of this, copies of this document are easily identified.
MMC cannot be held liable for any changes that have occurred. Typographical and factual errors may have been
introduced, and some may have been corrected, while others may have been preserved. MMC and I disclaim all
liability for direct, indirect, incidental, or consequential damages or personal injury that may result from any use of the
information in this manual. MMC and I make no warranty, claim, or representation, expressed or implied, concerning
the accuracy of the material here, or the suitability of the information or instructions for any purpose.
Please note that this manual does not cover vehicles destined to the USA and Canada. The vehicles covered include the
turbocharged model destined for Europe, Australia, New Zealand, the Gulf Coast Council (GCC) nations, and General
Export (those territories other than Europe, Australia, New Zealand, GCC, USA, and Canada). In some cases,
information here may be identical to that for USA and Canada vehicles. In other case, the information does not apply
to USA and Canada vehicles.
I used an Epson Perfection 2450 scanner and Readiris Pro 9.04 to scan a single sheet (page) and recognize 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 Readiris were set to grayscale, 400 dpi, letter
format, and contrast and brightness set to 299 to reduce the yellowing caused by the age of the manuscript. Readiris
allows the identification and selection or elimination of areas of the scanned image that are text, graphics, or table
format. This did not allow the embedding of graphics into text areas or vice versa. These two areas may overlap but
this created visual confusion. Pages were deskewed as necessary. The formatted, scanned page was saved in MS Word
document format.
I used MS Word 2002 to make spelling corrections, format the page size (8.5” x 11”), and set margins, generally 0.5”
all around. Re-arranging of objects occurred on some pages. From Word, I “printed” the page to Adobe Distiller 7.0.0,
creating a PDF file for each page. Distiller was set to not compress images. This increases the size of the final
document, but improves resolution and clarity of the images. In Adobe Acrobat 7.0.0, I concatenated the individual
PDF files into a single document, adding bookmarks and thumbnails.
I tested the final document with Acrobat and Acrobat Reader versions 5, 6, and 7. No problems were encountered with
versions 6 and 7. However, with Acrobat version 5 errors were encountered. These were avoided by having the
Bookmarks panel on the left “open”. I recommend using version 6 or 7 of Acrobat or Acrobat Reader to view this
document.
I thank the dedication and generosity of Jan Borgelin for getting an original printed version of this publication to me.
Jeff Lucius, February 2005
0-1
GENERAL
CONTENTS
DESIGN STRATEGIES FOR
DEVELOPMENT ...........................................................
Basic Themes for Development ................................2
COMMODITY FEATURES ............................................
TECHNICAL FEATURES .............................................
Model ...................................................................... 17
Model Code ............................................................. 17
MAJOR SPECIFICATIONS ........................................18
0-2
A
GENERAL - Design Strategies for Development
DESIGN STRATEGIES FOR DEVELOPMENT
BASIC THEMES FOR DEVELOPMENT
New 4WD Sports Car
4WD system that accurately transmits the power of
the 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 speedy responsiveness to the intentions of
the driver and direct response. Also, safety equipment
has been adopted in order to maintain safety.
drive in a sporty manner.
The DOHC twin-turbochargers and twin-intercoolers
coupled with the 4WD maintain overwhelming
performance
In pursuit of sports car styling
Stylish design that abolishes design compromises.
•
•
•
•
GENERAL - Commodity Features 0-3
COMMODITY FEATURES
Dynamic real sports styling
Interior with an abundantly
sporty feel
Excellent driving performance
Excellent steering stability
Low and wide proportions
• Capsule image due to glass with complex curves
• Large-diameter wide tyres that symbolize super 4WD
Sports cockpit centered around the driver
• Simple interior qesign
• Front seat which stresses driving performance
• Excellent acceleration performance from a standing start due to
a high-performance engine and 4WD
•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
•Optimization of torque distribution to front and rear wheels
High-tech components
Safety features
Full-time 4WD and 5-speed
• Combination of 4WD, 41S, 4ABS and 4WS
• 4-piston aluminum caliper brakes
• Active aero system
• SRS air bag
4WD
• 4ABS
• SRS air bag
• Rear seat 3-point seat belts
• High-mounted stop lamp
• Side door beam
• Fire-resistant materials used inside the passenger compartment
MfT
manufactured by GETRAG
0-4 GENERAL - Technical Features
TECHNICAL FEATURES
EXTERIOR
Dynamic sports car proportions with wide tread and
tight interior.
5
No. Features
1 The forward passenger compartment looks like a capsule, using glass with complex curves.
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-face bumper (with built-in bumper absorber) that gives the feeling ot being one unit with the
body.
Active aero system improves aerodynamic characteristics when driving at high speed. (movable front
5
venturi skirt and rear spoiler)
GENERAL - Technical Features 0-5
INTERIOR
Interior that creates a real feeling of a cockpit
centering around the driver.
No. Features
An instrument panel that emphasizes a feeling of closeness.
1
Round 3-meter arrangement with sporty imag.e.
2
3 Easy-to-see goggle type meter cluster.
4 Full round door trim that appears to be one with the instrument panel.
Superior sports type front seat that gives support.
5
6
High, wide and large floor console.
Sports steering wheel with built-in air bag (SRS).
7
0-6
GENERAL -
Technical Features
ENGINE
A 3.0L DOHC engine with twin-turbochargers and twin-intercoolers have been developed to provide even higher
output and higher performance.
SPECIFICATIONS
Items
Displacement
3
(cu. in.)
cm
Maximum output
kW (PS)/rpm
Maximum torque
kgm (Nm)/rpm
Specifications
2972 (181.4)
210 (285) / 6,000
41.5 (407) /3,000
FEATURES
High performance 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-point fuel injection.
• Electronic control of fuel pump fuel discharge for high response and low fuel consumption.
• Overwhelming acceleration due to combination of the twin-turbochargers and twin-intercoolers.
• A lightweight sodium-filled vacuum valve has been developed for use as the exhaust valve to improve valve follow in high-
speed ranges. <Vehicles for Europe>
GENERAL - Technical Features
Quiet operation
• Noise and vibration have been decreased by the adoption of roller rocker arms.
• Noise generated by the valve mechanism has been decreased by the hydraulic auto lash adjusters.
• Both powerful exhaust sound fitting a high performance vehicle and quietness due to the active exhaust system.
• Reduction in noise and vibration by improving the rigidity of the cylinder block.
• Vibrations have been decreased by the adoption of 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 in
the durability of the belts.
Serviceability
• Complete self-diagnosis functions.
• Enhanced reliability through the adoption of gold-plated connector terminals.
• Use of an auto tensioner achieves maintenance-free, automatic adjustment of timing belt tension.
• Use of the auto-lash adjusters achieves maintenance-free, automatic adjustment of valve clearance.
• The 3-coil distributorless ignition system supplies sufficient ignition energy even during high speed operation.
0-7
0-8
GENERAL - Technical Features
GENERAL - Technical Features 0-9
TRANSAXLE
W5MG1 TYPE MANUAL TRANSAXLE
The W5MG1 type manual transaxle is a full-time 4WD
manual transaxle made by GETRAG
* and newly
developed to match the high output and high torque 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-cone synchronizer for 1st and 2nd speeds
and a reverse synchronizer are used and, in
addition to sure shifting performance, the shift
feeling is also improved.
3. Low vibration and low noise are realized by the use
of high precision gears and high rigidity shaft.
*
GETRAG is a German manufacturer who develops
and manufactures high performance transaxles
especially in Europe.
0-10 GENERAL - Technical Features
CLUTCH BOOSTER
A 4" single type clutch booster is used to reduce the
force needed to depress the clutch pedal.
Air intake plenum
Release cylinder
Clutch booster
Vacuum tank
Clutch pedal
GENERAL - Technical Features
CHASSIS
Steering
• A compact lightweight integral type rack and pinion type power steering for outstanding steering response.
• Tilt steering construction for ideal steering position.
• SRS built into the steering wheel to protect the driver.
• 4-wheel steering system (4WS) for improved stability in the medium and high speed range.
0-11
Front Suspension
• Very lightweight and rigid McPherson
strut type independent suspension.
• Offset coil spring for comfortable ride.
• Anti-diving geometry for outstanding
stability.
• Negative offset geometry for superior
stability when braking.
• Electronic control suspension (ECS) for
both driving stability and riding comfort.
• Liquid filled bushing to reduce noise.
Front Axle
• BJ-TJ type constant velocity joint 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 serviceability and little rolling
resistance.
0-12 GENERAL - Technical Features
g
Brake
X-arrangement of lines that
maintains balanced braking in
front and rear even if the
hydraulic system is lost.
4-wheel anti-lock braking
system (4ABS) using 4sensor, 2-channel lock
method.
Dual proportioning valve
for control of rear wheel brakin
8+9 inch tandem brake
booster to reduce the
force needed to depress
the brake pedal.
.
Rear drum-in-ventilated disc
brake with built-in parking
brake and featuring good
braking stability.
Face-to-face and different diameter 4piston front ventilated disc brake with
stable braking force and good braking
feeling.
Rear Suspension
• Double wishbone type independent suspension for
outstanding riding comfort.
• Electronic control suspension (ECS) for both stable
handling and riding comfort.
Rear Axle
• BJ-TJ type constant velocity joint with high transmission
efficiency and minimum vibration and noise.
• Viscous coupling type limited-slip differential.
Propeller Shaft
• 3-section 4-joint type propeller shaft with two center bearings.
• Robro joint to absorb lengthwise and angular change and prevent transmission of vibrations.
• Anti-vibration type propeller shaft (rear propeller shaft) to reduce vibration and noise from the drive train.
GENERAL - Technical Features
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
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
0-13
when a shock that is over the design value (deceleration
G) is added to the entire vehicle from the front.
0-14
GENERAL - Technical Features
SMALL AMOUNT REFRIGERANT SYSTEM (AIR CONDITIONER)
In order to protect the ozone layer, the small amount
refrigerant 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
refrigerant in automobile air conditioners.
A
GENERAL - Technical Features
THEFT-ALARM SYSTEM
To make the vehicle theftproof, this system is designed to operate the horn intermittently for 30 seconds when the locked door, hood or tailgate has
been forced open without using a key. Furthermore,
the starter circuit is interrupted so that the engine
may not be operated.
About 20 seconds after all doors are closed and
locked, the tailgate is closed, and the hood is
closed
Æ
SYSTEM ARMED
0-15
Authorized
Driver opens door with the key
SYSTEM DISARMED
Normal starting
Unauthorized
A door, tailgate or hood is broken to
open
Æ
ALARM ACTIVATED
Driver unlocks a door or tailgate with the key.
Engine is disabled and will not start
LARM DEACTIVATED
(SYSTEM DISARMED)
16F0295
0-16
GENERAL - Technical Features
SERVICEABILITY
A series of investigations from a variety of angles are
carried out starting from the planning and design stages,
to produce a vehicle with complete diagnosis functions
Items of improved serviceability
• Adoption of hydraulic-type lash adjusters which make valve clearance adjustment unnecessary
• Adoption of an auto tensioner which makes timing belt tension adjustment unnecessary
• Adoption of a distributorless 3 coil ignition system
• Adoption of a camber adjustment mechanism in the front suspension
• Adoption of an alignment adjustment 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 parking disc type brake to improve workability for the rear brakes
• Adjustment of gap between wheel speed sensors and rotors in 4ABS
• Colour-coding of service connectors (for ignition timing adjustment, fuel pump inspection and engine speed
inspection) to distinguish then from other connectors and make them easier to find
• Expansion and full realization of the self-diagnosis system
• Improvement in reliability due to harness junction connectors
• Centralization of relays
• Receiver piping connection has been made into a flange fitting and the end of the piping section has been flared to
prevent falling off of O-rings
and a reduced need for maintenance, with
improvements in reliability and durability.
GENERAL -
V
V
V
V
ehicle Identification
0-17
VEHICLE IDENTIFICATION
MODEL
VEHICLES FOR EUROPE
Model code Engine model Transmission model Fuel supply system
Z16AMNGFL6
Z16AMNGFR6
EHICLES FOR GENERAL EXPORT
Model code Engine model Transmission model Fuel supply system
Z16AMNGFL
Z16AMNGFR
EHICLES FOR GCC
6G72 [2,972 cm3 (181.4 cu. in.)] W5MG1 MPI
6G72 [2,972 cm3 (181.4 cu. in.)] W5MG1 MPI
Model code Engine model Transmission model Fuel supply system
Fuel Pressure Control ............................................. 26
Air Flow Sensor (AFS)
Filter Reset Control ................................................. 26
Self Diagnosis System ............................................ 27
EMISSION CONTROL SYSTEM ................................30
CRUISE CONTROL SYSTEM ....................................32
1-2
ENGINE -
General Information
GENERAL INFORMATION
The engine is a V-type 6-cylinder (bank angle 60°) 2,972
3
(181.4 cu.in.) DOHC 24 valve design and is
cm
basically the same as the engine equipped in the
SIGMA. However, twin turbochargers and twin intercoolers have been installed to provide even higher
output and higher performance.
SPECIFICATIONS
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 cylinder) 2 each
Valve mechanism OHV, DOHC (per bank)
NOTE
For details of the basic engine structure, refer to the
previously-issued '91 SIGMA Technical Information
Manual. (Pub. No. PYGE9008).
Bore x stroke mm (in.) 91.1 x 76.0 (3.59 x 2.99)
Compression ratio 8.0
Maximum output PS/rpm 285/6,000
Maximum torque kgm/rpm 41.5/3000
Valve timing Intake Opened 16° BTDC
Exhaust Opened 50° BBDC
Fuel supply system Electronic controlled multi-point fuel injection
Ignition system Power distribution method Electronic controlled 3-coil type
Ignition timing control method Electronic controlled type
Closed 55° ABDC
Closed 17° ATDC
ENGINE -
1-3
General Information
ENGINE SECTIONAL VIEW
7EN0477
7EN0478
1-4
BASE ENGINE
OIL JET
There is an oil jet for cooling the pistons.
ENGINE - Base Engine
Main gallery
Main bearing
Crankshaft
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, rigidity has been improved and
Oil jet
[opens valve at
2
2 kg/cm
(28 psi) or more]
7EN0479
vibration from the main drive section has been
reduced.
Main bearing cap
7EN0480
ENGINE - Base Engine 1-5
N
A
CRANK ANGLE SENSOR AND CAM POSITION SENSOR
An ultra-small crank angle sensor and cam position a large space saving and to provide improved
sensor have been positioned inside the crankshaft crank angle detection precision.
sprocket and camshaft sprocket respectively to realize
Cam sprocket
Crank sprocket
Crankshaft
Vane
7EN0481
CRANKSHAFT
steel crankshaft has been adopted in order to cope
with the increased engine output and to provide
reduced noise and reduced vibration.
EXHAUST VALVE (VEHICLES FOR EUROPE ONLY)
Lightweight sodium-filled vacuum valves have been been improved, and improvements have been real-
developed for use as the exhaust valve to improve ized in anti-knock characteristics and fuel consump-
valve follow in high-speed ranges. At the same time, tion efficiency at high speeds.
the cooling performance of the exhaust valve has
a
7EN0482
Caution on handling the metallic sodium-filled exhaust valve.
Because metallic sodium reacts violently when it For specific details, refer to 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.
01R0639
01F001
01N0101
1-6
MOUNTING
ENGINE -
Mounting
The engine mounts use a principal axis inertia support
system.
This support method on the principal axis inertia is a
structure that supports the top of the engine and top of
the transmission to effectively control engine vibration.
A dynamic damper is provided on top of the engine
mount to cut out high-frequency noise.
Insulator
01N0101
No. 1 crossmember
No.2 crossmember
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 have the following features
•Each insulator has a hole to effectively absorb small
and large vibrations.
Engine
mount
Dynamic
damper
Insulator
Hole
Front
~
Front roll
stopper
Insulator
Front
~
Rear
roll
stopper
Front roll
stopper
7
Insulator
No.1
crossmember
Hole
No. 2
crossmember
01 F0014
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