🏷️ Basic Information Identification Make: Jaguar Model: XJS Year: 1990 Market Segment: Luxury Grand Tourer (GT) 👋 Introduction Market Position Positioning: Premium Luxury Grand Tourer. Positioned as a sophisticated, high-performance coupe or convertible for discerning buyers. Competed with cars like the Mercedes-Benz SL and BMW 8 Series. Competitive Analysis Competitors: Mercedes-Benz R129 SL-Class, BMW E31 8 Series, Porsche 928. Key Features Design: Iconic Giugiaro-designed long bonnet, sleek profile, prominent grille, signature divided rear bumper. Available as a 2+2 coupe or a convertible. Powertrain: Renowned for its powerful and smooth V12 engine, delivering effortless grand touring capability. Manual Advantage: Provides DIY enthusiasts and professional mechanics with the most accurate and detailed factory-derived repair information, surpassing outdated printed manuals in accessibility and searchability. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnostics, Electrical Schematics, Troubleshooting Page Count Estimated Pages: Extensive (Digital format, equivalent to a comprehensive printed manual, typically 1000+ pages) Manual Type Type: Official Service and Repair Manual (Software/Online Access) Language Language: English Format Format: Online Software/Web-based Access Access Duration Duration: 1 Year (with discounts for renewals) 📖 Manual Coverage Systems Covered Powertrain: Engine (V12, 5.3L), Fuel System, Ignition System, Exhaust System, Cooling System Drivetrain: Transmission (Automatic - GM TH400/4L80E dependent on specific variant), Driveshafts, Differentials, Axles Chassis: Suspension (Front & Rear Independent), Steering System, Brakes (Front Discs, Rear Discs - often with ABS), Wheels & Tires Electrical: 12V Electrical System, Battery, Charging System (Alternator), Starting System, Lighting, Instrumentation, Body Electronics, ECU/DME (Digital Motor Electronics), Wiring Diagrams Body And Interior: Body Panels, Doors, Hood, Trunk, Glass, Interior Trim, Seats, HVAC (Heating, Ventilation, and Air Conditioning) Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes (Oil, Coolant, Brake Fluid, Transmission Fluid), Filter Replacements, Lubrication Repair: Engine Overhaul, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Steering Rack Rebuild, Electrical Component Diagnosis and Replacement, HVAC System Repair, Body Panel Repair Diagnostics: Troubleshooting Guides, Symptom-Based Diagnostics, Fault Code Interpretation (if applicable to the era's diagnostics), Electrical Circuit Testing Specifications: Torque Specifications, Clearances, Timing Settings, Fluid Capacities, Component Dimensions Technical Depth Depth: Comprehensive. Covers routine maintenance to full engine and transmission rebuilds, detailed electrical troubleshooting, and body repair procedures. Sourced from OE (Original Equipment) materials. 📊 Manual Specifications File Format Software Compatibility: PC, Laptop, Smartphone, Tablet (Requires Internet Connection and Web Browser) Print Quality Output Quality: N/A (Digital, high-resolution content) Binding Type Binding: N/A (Digital Access) Paper Type Paper: N/A (Digital Access) ⚙️ Engine Specifications Primary Engine Engine Code: AJ16 (though the 1990 model typically uses the earlier 5.3L V12, designation ENS) Engine Type: 6.0 Litre (5343 cc) V12 (EFI) Configuration: V12, 60 degrees Performance Horsepower: Approx. 270-300 bhp (varies slightly by market and exact engine tuning) Torque: Approx. 316-330 lb-ft (428-447 Nm) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), typically Lucas/Jaguar managed system, often with twin injectors per cylinder for later models. Fuel Type: Premium Unleaded Gasoline (91 Octane or higher) Engine Management ECU: Digital Motor Electronics (DME) or similar ECUs for fuel and ignition management. 🔧 Transmission Standard Type: 3-speed Automatic (General Motors Turbo-Hydramatic 400 - TH400) Optional Type: Some later variants (post-1993) offered a 4-speed automatic (4L80E), but 1990 is predominantly TH400. Manual transmission was very rare or non-existent for the V12 in this era. Features Engagement: Column shifter (typically) or floor shifter depending on market and options. 📐 Dimensions Exterior Length: Approx. 194.7 inches (4945 mm) Width: Approx. 70.7 inches (1796 mm) Height: Approx. 50.2 inches (1275 mm) Wheelbase: Approx. 104.0 inches (2642 mm) Weights Curb Weight: Approx. 3,900 - 4,200 lbs (1769 - 1905 kg), depending on coupe/convertible and options. Cargo Trunk Volume: Approx. 7.9 cu ft (224 liters) for coupe, less for convertible due to top mechanism. 🛡️ Safety Features Ratings Crash Test Data: Limited public crash test data specific to the 1990 model; however, it was designed to meet contemporary safety standards of the era, including federal regulations for its market. Active Features Braking System: Anti-lock Braking System (ABS) was standard or a common option on V12 models, typically Bosch ABS. Traction Control: Optional or standard on some later variants, but less common on the 1990 model. Passive Features Airbags: Driver's side airbag typically standard for 1990 model year. Seatbelts: Three-point retractable seatbelts, often with inertia reel locking. 💡 Technology Features Infotainment Audio System: Premium sound systems of the era, often with cassette player and analog radio. Later models might have CD compatibility. Brand often Alpine or Jaguar branded. Driver Assistance Cruise Control: Standard feature on most V12 models, electronically controlled. Climate Control: Automatic Climate Control (ACC) was a key feature, managing heating and air conditioning based on driver-set temperature. Connectivity Original Connectivity: Limited by modern standards; primarily focused on internal vehicle systems. No external connectivity like Bluetooth or USB. 🔧 Maintenance Service Intervals Oil Change: Every 5,000 miles or 12 months, whichever comes first. V12 engines...