Market Position:
The 1994 Toyota Supra, specifically the JZA80 generation, positioned itself as a premium Japanese sports coupe, competing with performance icons of its era.
Competitive Analysis:
Competed against vehicles like the Nissan 300ZX (Z32), Mazda RX-7 (FD), and domestic muscle cars, offering a blend of advanced technology, sophisticated engineering, and exhilarating performance.
Key Features:
Iconic styling, powerful inline-six engines (including the legendary 2JZ-GTE twin-turbo), advanced suspension, and a robust platform that became a tuner's dream.
Manual Value Proposition:
Provides extensive, licensed factory-derived information essential for maintaining, diagnosing, and repairing the 1994 Toyota Supra, empowering owners and enthusiasts.
Convenience:
Online access offers immediate availability across multiple devices, superior to outdated printed manuals in terms of accessibility and searchability.
Engine:
2JZ-GE (Naturally Aspirated), 2JZ-GTE (Twin-Turbocharged)
Drivetrain:
Rear-wheel drive, transmission (manual and automatic), differential, driveshafts
Suspension:
Front and rear suspension systems, shock absorbers, springs, bushings
Brakes:
Front and rear braking systems, ABS (Anti-lock Braking System)
Steering:
Power steering system, steering column, tie rods
Electrical:
Wiring diagrams, lighting, ignition system, starting system, charging system, ECU, sensors
HVAC:
Heating, ventilation, and air conditioning systems
Body:
Body panels, doors, interior trim, glass, bumpers
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Repair:
Engine overhaul, transmission rebuild, brake caliper replacement, suspension component renewal
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation
Diagnostics:
ECU diagnostics, sensor testing, component testing
Technical Depth:
Detailed diagnostic procedures, component removal and installation instructions, torque specifications, timing procedures, electrical schematic interpretation
Naturally Aspirated Engine:
2JZ-GE
Naturally Aspirated Displacement:
3.0 Liters (2,997 cc)
Naturally Aspirated Configuration:
Inline-6, DOHC, 24 Valves
Naturally Aspirated Horsepower:
Approx. 220 hp @ 5,800 rpm (US Spec)
Naturally Aspirated Torque:
Approx. 210 lb-ft @ 4,800 rpm (US Spec)
Turbocharged Engine:
2JZ-GTE
Turbocharged Displacement:
3.0 Liters (2,997 cc)
Turbocharged Configuration:
Inline-6, DOHC, 24 Valves, Sequential Twin-Turbocharged
Turbocharged Horsepower:
Approx. 276 hp @ 5,600 rpm (JDM Spec), 320 hp @ 5,600 rpm (US Spec)
Turbocharged Torque:
Approx. 280 lb-ft @ 4,000 rpm (JDM Spec), 315 lb-ft @ 4,000 rpm (US Spec)
Fuel System:
Electronic Fuel Injection (EFI) with sequential port injection
Engine Management:
ECU (Engine Control Unit) with advanced diagnostics
Standard Transmission Type:
6-speed manual (Getrag V160/V161)
Optional Transmission Type:
4-speed automatic (A340E)
Clutch Type:
Hydraulic, single-plate dry (manual transmission)
Manual Transmission Fluid:
API GL-4 or GL-5, SAE 75W-90 recommended
Automatic Transmission Fluid:
Toyota ATF Type T-II or equivalent
Length:
4,520 mm (178.0 in)
Width:
1,790 mm (70.5 in)
Height:
1,290 mm (50.8 in)
Wheelbase:
2,550 mm (100.4 in)
Curb Weight Manual:
Approx. 1,450 kg (3,200 lbs)
Curb Weight Automatic:
Approx. 1,490 kg (3,285 lbs)
Gross Vehicle Weight Rating:
Varies by model and configuration
Safety Ratings:
No specific NHTSA ratings for this model year, but generally considered safe for its era. Manual provides guidance on safety systems.
Active Features:
Anti-lock Braking System (ABS), Traction Control (on some turbo models)
Passive Features:
Front airbags, three-point seatbelts with pretensioners, reinforced chassis structure
Infotainment System:
Factory premium audio system with cassette player and optional CD player. Manual covers diagnostic and repair of these systems.
Driver Assistance:
Limited by modern standards; primarily focused on mechanical performance and safety features like ABS.
Connectivity:
No modern connectivity features like Bluetooth or USB.
Engine Technology:
Sequential twin-turbocharging (2JZ-GTE) provided a wider powerband and improved throttle response compared to parallel twin-turbo setups of the era.
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles (standard plugs) or 60,000 miles (platinum plugs)
Timing Belt Replacement:
Every 60,000 miles or 5 years (2JZ-GE and 2JZ-GTE engines - critical item)
Engine Oil Type:
SAE 5W-30 or 5W-40 API SG or higher (synthetic recommended for turbo models)
Coolant Type:
Toyota Super Long Life Coolant (SLLC) or equivalent (50/50 mix with distilled water)
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Toyota Genuine Power Steering Fluid or Dexron II/III ATF
Known Issues:
Turbo seal failure (2JZ-GTE), oil pump issues (pre-VVTi 2JZ), differential pinion seal leaks, radiator leaks, ABS sensor failures, catalytic converter issues (due to age/heat).
Common Repairs:
Timing belt replacement, water pump replacement, clutch replacement, brake system overhaul, turbocharger servicing/replacement.
Brand Heritage:
Toyota has a long-standing reputation for reliability, quality, and innovation across a wide range of vehicles, with a growing portfolio of performance vehicles.
Model Evolution:
The JZA80 Supra, launched in 1993 (as a 1993 model year), was the fourth generation, marking a significant departure with its advanced engineering and iconic 2JZ engine. It replaced the MkIII (A70) Supra.
Production Years:
1993-2002
Production Locations:
Japan
