🏷️ Basic Information Identification Make: Mazda Model: MX-5 Miata Model Code: NA (First Generation) Year: 1992 Chassis Code: NA8C Generation Generation Years: 1989-1997 Codes Engine Code: B6-ZE 👋 Introduction Market Position Market Position: The 1992 Mazda Miata MX-5 (NA generation) revitalized the affordable sports car market, offering a pure, driver-focused experience. This wiring diagram manual is essential for enthusiasts and mechanics working on this iconic roadster. Competitive Analysis Competitive Analysis: Competed against cars like the Toyota MR2 and Nissan 240SX, but distinguished itself with its lightweight chassis, balanced handling, and accessible price point, building a loyal enthusiast following. Key Features Key Features: Lightweight, rear-wheel drive, responsive handling, convertible top, simple yet engaging driving dynamics. This manual focuses on the intricate electrical systems that enable these features. 📋 Manual Details Coverage Areas Coverage Areas: Complete Electrical System Wiring Diagrams Diagram Type: Full color, detailed schematic diagrams with component identifiers and wire colors. Page Count Page Count: Approximately 50-75 pages (typical for this type of supplementary manual) Manual Type Manual Type: Wiring Diagram Manual / Electrical Service Manual Supplement Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Systems Covered: Engine Control System, Fuel Injection System, Ignition System, Lighting (Headlights, Taillights, Interior), Gauges and Instrumentation, Power Windows, Power Door Locks, Convertible Top Motor, Audio System, HVAC Controls, ABS System (if equipped), SRS System (if equipped), Wiper/Washer System, Horn, Exterior and Interior Lighting Circuits, Relays, Fuses, Ground Points, Sensors, Actuators, ECUs, Switches, Connectors. Specific System Detail: Dedicated sections for the main engine harness, chassis harness, dash harness, and lighting harnesses, illustrating connections between all components. Procedures Included Procedures Included: Includes detailed wiring schematics for all major electrical systems, including the engine control unit (ECU), fuel pump, ignition coil, injectors, sensors (e.g., O2, coolant temp, throttle position), instrument cluster, lighting circuits (headlamps, taillamps, interior lights, turn signals), power accessories (windows, locks), HVAC blower motor, horn, and radio. Also covers fuse box and relay box layouts and identifying the function of each circuit. Troubleshooting Methodology: Provides a logical approach to diagnosing electrical problems by tracing current flow and identifying fault points in circuits, using specific test points and expected voltage readings. Technical Depth Technical Depth: Detailed schematic diagrams, component pinouts, wire color coding, junction box layouts, diagnostic flowcharts for common electrical issues, component function explanations. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: PDF format with selectable text for easy searching of component names and circuit descriptions. Print Quality Print Quality: High-resolution, suitable for clear printing of diagrams and text. Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder, DOHC, 16-Valve Displacement: 1.6 Liters (1597 cc) Bore X Stroke: 78.0 mm x 83.6 mm Performance Horsepower: 116 hp @ 6500 rpm (JDM/Euro Spec: 120-130 hp) Torque: 100 lb-ft @ 5000 rpm (JDM/Euro Spec: 103-105 lb-ft) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Ignition System: Distributorless Ignition System (DIS) with Coil-on-Plug (COP) or Coil-Near-Plug (CNP) variants depending on market and specific build. Cooling System Cooling System Type: Pressurized Liquid Cooling System Engine Management ECU Type: ECU (Engine Control Unit) managing fuel injection and ignition timing. Specific ECU part numbers and diagnostic connectors (e.g., 17-pin diagnostic connector) are detailed in the manual. 🔧 Transmission Standard Transmission Type: 5-Speed Manual Transmission Optional Transmission Type: 4-Speed Automatic Transmission (less common) Features Clutch Type: Hydraulic Clutch Actuation Differential Type: Open Differential (Limited Slip Differential - LSD - optional on some trims/markets) 📐 Dimensions Exterior Length: 3955 mm (155.7 in) Width: 1675 mm (65.9 in) Height: 1235 mm (48.6 in) Wheelbase: 2265 mm (89.2 in) Ground Clearance: 135 mm (5.3 in) Weights Curb Weight: 950-1000 kg (2094-2205 lbs), depending on options Cargo Trunk Volume: Approx. 150 Liters (5.3 cu ft) 🛡️ Safety Features Ratings Safety Ratings: N/A (Modern crash test data not readily available for this era; known for its lightweight structure which can be a disadvantage in severe impacts.) Active Features Active Features: Four-wheel disc brakes, Anti-lock Braking System (ABS) optional on some trims/markets. Passive Features Passive Features: Reinforced windshield frame, seatbelts, driver's airbag (optional on some models/markets, standard from 1997). 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio with cassette player, manual antenna adjustment, speaker system (typically 4-6 speakers). Driver Assistance Driver Assistance Features: ABS (Anti-lock Braking System) as an optional feature on select models/trims. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB; relies on analog systems). Lighting Lighting Technology: Halogen headlights, incandescent bulbs for turn signals and interior lighting. Pop-up headlight mechanism. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first. Timing Belt Interval: Every 60,000 miles (96,000 km) or 4-5 years (critical maintenance item; failure causes severe engine damage)....