Target Audience:
Enthusiasts and professional technicians working on the 1994 Mazda RX-7 (FD generation).
Vehicle Segment:
Front-engine, Rear-wheel-drive, 2-door Sports Coupe.
Value Proposition:
An indispensable resource for understanding and repairing the complex electrical system of the RX-7, complementing other service manuals.
Manual Highlight:
The most critical resource for anyone tackling electrical diagnostics or modifications on the FD RX-7.
Systems Covered:
General Information, Ground Points, Electrical Wiring Schematic, System Circuit Diagram/Connector Locations, Common Connectors, Joint Box Complete Wiring System, Parts Location
Manual Type:
Wiring Diagram Manual / Service Manual (Electrical Focus)
Electrical Systems:
Comprehensive coverage of the vehicle's electrical architecture, including wiring schematics, circuit diagrams, and component locations.
Fuse And Relay Locations:
Detailed identification and function of fuses and relays within the electrical system.
Wiring Harnesses:
Illustrations and descriptions of main, engine, and chassis wiring harnesses.
Lighting Systems:
Wiring for headlights, taillights, turn signals, interior lights, and fog lights (if equipped).
Instrument Panel And Gauges:
Diagrams illustrating the electrical connections for the instrument cluster and gauges.
Power Accessories:
Wiring for power windows, door locks, mirrors, and antenna (if applicable).
Troubleshooting Electrical:
Detailed information for diagnosing and resolving electrical faults, including guidance on using wiring diagrams for effective troubleshooting.
Component Identification:
Clear identification of common connectors, joint boxes, and ground points crucial for electrical system maintenance and repair.
Component Wiring Identification:
Clear indication of wire colors and terminal designations for accurate repairs and modifications.
Connector Pinout Diagrams:
Essential for understanding individual connector configurations and terminal functions.
Depth Of Coverage:
Focuses on the intricacies of the electrical system, providing the detailed diagrams and information necessary for advanced diagnostics and repairs. While not a complete FSM for mechanicals, it's essential for any electrical work.
Diagnostic Focus:
Aimed at enabling technicians to trace circuits, identify faulty connections, and understand signal flow within the vehicle's electronics.
Component Level Diagnosis:
Provides the detail required to test individual wires, grounds, and power sources for diagnostic accuracy.
Engine Type:
13B-REW Rotary
Horsepower Range:
Approximately 255 hp (USDM spec)
Torque Range:
Approximately 217 lb-ft (USDM spec)
Fuel Delivery:
Sequential Twin-Turbocharged, Electronic Fuel Injection (EFI)
Turbocharging System:
Sequential Twin-Turbocharged with intercooler.
Transmission Type:
RWD, 5-speed Manual (Type R1/R2/Touring)
Transmission Type Optional:
4-speed Automatic (Limited markets/trims)
Clutch Type:
Hydraulic, Multi-plate Wet Clutch (Rotary specific)
Wheelbase:
Approx. 95.5 inches (2425 mm)
Length:
Approx. 167.9 inches (4265 mm)
Width:
Approx. 69.1 inches (1755 mm)
Height:
Approx. 48.2 inches (1225 mm)
Curb Weight:
Approx. 2800-3000 lbs (1270-1360 kg) depending on trim
Gross Vehicle Weight Rating:
Approx. 3800 lbs (1723 kg)
Audio System:
Factory premium audio system (Bose on some trims), typically cassette/CD player.
Display System:
Analog gauges, basic climate control display.
Cruise Control:
Standard on most trims.
Limited Connectivity Features:
Basic connectivity focused on audio and power accessories, no modern infotainment or integrated navigation typical of current vehicles.
Oil Change Interval Rotary:
Recommended every 3,000-5,000 miles or as per owner's manual, with specific attention to oil quality and apex seal lubrication.
Engine Oil Specification:
API SG or higher, SAE 10W-30 or 10W-40 recommended (refer to specific model year for exact specs).
Coolant Specification:
Ethylene glycol-based coolant with demineralized water. Mazda FL22 Long Life Coolant or equivalent.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid Specification Manual:
API GL-4, SAE 75W-90 gear oil.
Power Steering Fluid Specification:
Dexron II or equivalent ATF.
Rotary Specific Concerns:
Apex seal wear, oil seal degradation, vacuum hose leaks, turbocharger issues, catalytic converter failure. Regular maintenance is critical.
Electrical Common Failures:
Corrosion on connectors, failing fuel pump resistor, alternator issues, main relay failures, intermittent warning lights. This manual is key for diagnosis.
Emission System Concerns:
Catalytic converter efficiency can degrade over time; O2 sensor failures can affect fuel management.
Mazda Rotary Legacy:
Part of Mazda's iconic lineage of rotary-powered sports cars, building on the success of the RX-7 SA22C and FC3S generations.
Fd Generation Development:
The FD generation, introduced in 1992, represented a significant leap in design, aerodynamics, and performance for the RX-7.
Fd Design Philosophy:
Emphasis on lightweight construction, advanced aerodynamics, and a balanced chassis for exceptional handling dynamics.
Production Period:
1992-2002
