Vehicle Segment:
High-performance sports coupe / GT, competing with cars like the Nissan 300ZX, Toyota Supra, and Mazda RX-7.
Unique Selling Proposition:
Advanced technology for its era, including four-wheel steering (AWS), active aerodynamics, and electronically controlled suspension (ECS) on certain models.
Key Competitors Era:
Nissan 300ZX (Z32), Toyota Supra (Mk3/Mk4), Mazda RX-7 (FC/FD), Porsche 968.
Performance Focus:
Emphasizes advanced engineering and performance capabilities.
Technical Complexity:
Known for its sophisticated electronic systems, making a specialized electrical manual essential.
Target Audience:
Owners, DIY mechanics, and enthusiasts looking to maintain or repair the electrical systems of their 1992-1996 Mitsubishi 3000GT.
Cost Savings:
Enables owners to perform repairs themselves, saving on dealership labor costs.
Electrical Systems:
Comprehensive coverage including wiring diagrams, component locations, troubleshooting guides for all vehicle electrical systems.
Engine Control System:
ECU, sensors, actuators, ignition system, fuel injection system diagnostics.
Powertrain Control:
Transmission control unit (TCU) and related electrical components.
Lighting System:
Headlights, taillights, interior lighting, fog lights, turn signals, and related wiring.
Instrumentation And Gauges:
Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, and their electrical circuits.
Climate Control System:
HVAC controls, blower motor, climate control module, actuators, and sensors.
Audio And Infotainment:
Factory radio, speakers, antenna, and related wiring (may vary by trim).
Power Accessories:
Power windows, power locks, power mirrors, power seats, sunroof, cruise control.
Safety Systems:
ABS (Anti-lock Braking System) electrical components, SRS (Supplemental Restraint System) wiring (if equipped).
Chassis Electronics:
ECS (Electronic Control Suspension), Active Aerodynamics (if equipped), and related electrical modules and sensors.
Diagnostic Information:
OBD-I diagnostic trouble codes (DTCs) and diagnostic procedures.
Troubleshooting:
Step-by-step diagnostic procedures for electrical faults.
Component Testing:
Methods for testing individual electrical components (relays, sensors, actuators, motors).
Wiring Repair:
Instructions for inspecting, repairing, and replacing wiring harnesses and connectors.
Component Replacement:
Guidance on removing and installing electrical components.
Fuse And Relay Identification:
Location and function of all fuses and relays.
Depth:
Comprehensive, covering diagnostics, repair, and maintenance of electrical systems.
Diagrams:
Includes detailed electrical schematics and wiring diagrams.
Parts Information:
Lists and pictures of electrical parts.
Instructions Style:
Easy-to-follow, step-by-step instructions suitable for DIY enthusiasts.
โ๏ธ Engine Specifications
Engine Type:
60-degree SOHC or DOHC V6
Displacement:
3.0 Liters (2972 cc)
Aspiration:
Naturally Aspirated (NA) and Twin-Turbocharged (TT)
Horsepower Na:
Approx. 222 hp @ 6000 rpm
Torque Na:
Approx. 200 lb-ft @ 4500 rpm
Horsepower Tt:
Approx. 300 hp @ 6000 rpm (early models) up to 320 hp (later models)
Torque Tt:
Approx. 300 lb-ft @ 3000 rpm (early models) up to 315 lb-ft (later models)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (91 octane recommended)
Length:
Approx. 183.7 inches (4665 mm)
Width:
Approx. 71.7 inches (1820 mm)
Height:
Approx. 48.2 inches (1225 mm)
Wheelbase:
Approx. 97.2 inches (2470 mm)
Curb Weight Na:
Approx. 3400 - 3500 lbs (1542 - 1588 kg)
Curb Weight Tt AWD:
Approx. 3700 - 3900 lbs (1678 - 1769 kg)
Wheel Bolt Pattern:
5x114.3 mm (5x4.5 inches)
NHTSA Ratings:
Not readily available for this model year; focus was on active safety systems.
ABS:
Standard Anti-lock Braking System (ABS) on all models.
Aws:
Optional or Standard (depending on trim/year) Mitsubishi Integrated Control Steering (MICS) - Four-Wheel Steering.
Airbags:
Driver-side airbag standard; passenger airbag introduced later in the generation.
Seatbelts:
Three-point seatbelts with pretensioners.
Audio System:
Factory premium audio system with cassette player and CD player (optional/later models). Speaker count varies by trim.
Climate Control:
Automatic Climate Control (ACC) available on higher trims, offering advanced temperature and airflow management.
Active Aerodynamics:
Active Aero system with a retractable front spoiler and adjustable rear wing on certain VR-4 models.
Ecs:
Electronic Control Suspension (ECS) system with adjustable damping modes on select models.
Connectivity Features:
Limited by era; primarily focused on internal vehicle systems rather than external connectivity.
OBD Standard:
OBD-I (On-Board Diagnostics I) for the model years covered, requiring specific diagnostic procedures and connectors.
Oil Change:
Every 3,750 - 7,500 miles or 6-12 months (refer to specific manual for exact recommendation based on driving conditions).
Timing Belt:
Critical: Typically every 60,000 miles or 5 years for the 6G72 engine.
Spark Plugs:
100,000 miles for iridium plugs (if equipped), 60,000 miles for standard platinum plugs.
Engine Oil:
API SJ or higher, SAE 10W-30 or 10W-40 recommended for most climates. Capacity approx. 4.8 - 5.2 quarts with filter.
Transmission Fluid Auto:
Mitsubishi DIA Queen ATF-SP or equivalent. Capacity approx. 3.5 quarts for fluid change.
Transmission Fluid Manual:
GL-4 or GL-5 gear oil, SAE 75W-90 recommended. Capacity approx. 2.1 - 2.3 quarts.
Coolant:
Ethylene glycol-based coolant (green) with a 50/50 mix of antifreeze and distilled water. Capacity approx. 8.5 - 9.0 quarts.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Electrical:
Corroded grounds, failing climate control units, intermittent power window/lock issues, sensor failures (e.g., crank/cam sensors), ECU capacitor degradation.
Engine Mechanical:
Timing belt failure (critical if not replaced), oil leaks, piston ring wear in high-mileage turbo models.
Turbocharger:
Bearing wear, oil line clogging, intercooler leaks on twin-turbo models.
Suspension Steering:
Wear in AWS components, ECS sensor issues, strut mount wear.
Manufacturer History:
Mitsubishi Motors, a major Japanese automotive manufacturer with a history in performance and innovation.
Introduction Year:
1991 (for the 1991 model year in the US, introduced as the 1991 model year in Japan).
Facelift Updates:
Significant facelift for the 1994 model year, including revised front bumper, pop-up headlights replaced with fixed projectors, updated interior, and performance enhancements.
Trim Levels:
Base, ES (NA), SL (NA/TT), GS (NA), VR-4 (TT, AWD).
Production Period:
1991-2000 (Global); 1992-1996 covered by this manual.
Manufacturing Plant:
Mizushima Plant, Kurashiki, Okayama, Japan.
๐ Awards & Recognition
Car And Driver Ten Best:
Named to Car and Driver's Ten Best list in 1991 and 1992.
Motortrend Car Of The Year Nominee:
Often considered a strong contender in its segment for technological innovation.
Performance Reviews:
Consistently praised for its advanced technology, handling, and performance, particularly the VR-4 AWD twin-turbo model.
๐ Professional Vehicle Manual Information
Comprehensive technical documentation for maintenance, repair, and operation