🏷️ Basic Information Identification Make: Mitsubishi Model: Sigma / Diamante Production Years: 1991-1997 Platform: Mitsubishi J Platform Codes Chassis Codes: DE2A, DE3A 👋 Introduction Market Position Vehicle Segment: Mid-size executive sedan, competing in a segment with strong offerings from Japanese and American manufacturers. Competitive Analysis Key Competitors: Toyota Camry, Honda Accord, Ford Taurus, Chevrolet Lumina. Key Features Dv Selling Points: Known for its comfortable ride, spacious interior, and often powerful V6 engines. Offered in both sedan and coupe (Diamante) body styles in some markets, though the Sigma designation primarily refers to the sedan in North America. Manual Value Proposition: Empowers owners to perform a wide range of maintenance and repair tasks, saving on labor costs and increasing vehicle lifespan. 📋 Manual Details Coverage Areas General Information: Included Body Frame Mounting: Included Engine: Included (All models and engines) Suspension: Included Driveline: Included Brake System: Included Transmission Transaxle: Included Clutch: Included Exhaust System: Included Fuel System: Included Steering System: Included Shocks Struts: Included Climate Control: Included Instrumentation Warnings: Included Battery Charging Systems: Included Audio Systems: Included Lighting Systems: Included Electrical Distribution: Included Wiring Diagrams: Included Page Count Estimated Page Count: Varies (Typical for comprehensive manuals of this era is 1000+ pages) Manual Type Manual Classification: Workshop Service Repair Manual Language Primary Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Overhaul: Complete engine overhaul and rebuilding procedures Brake Servicing: Comprehensive brake system servicing procedures Sunroof Operation: Procedures for sunroof maintenance and repair Timing Belt: Detailed timing belt replacement and service procedures Trouble Codes: Diagnostic trouble codes and their meanings Wiring Diagrams Detailed: Comprehensive and detailed wiring diagrams for all systems Troubleshooting Diagnostics: Systematic troubleshooting and diagnostic procedures Computer Diagnostics: Computer diagnostic trouble tree charts and procedures Engine Performance: Engine performance tuning and optimization guidance Front End Alignment: Front end alignment procedures and specifications Suspension Repair: Detailed suspension repair procedures Transmission Service: Transmission removal, installation, and in-car servicing Air Conditioning: Air conditioning service and refrigerant capacity specifications Firing Orders: Engine firing orders for all applicable engines Maintenance Schedules: Factory recommended maintenance schedules and charts Serpentine Belt: Serpentine belt routing diagrams and replacement procedures Driving Concerns: Troubleshooting for common driving concerns Torque Specifications: Complete torque specifications for all fasteners U Joint Cv Joint: U-joint and CV-joint service procedures Repair Procedures Comprehensive: A-Z repair procedures for all vehicle systems Vacuum Diagrams: Detailed vacuum diagrams Procedures Included Engine Rebuilding: Full engine overhaul and rebuilding procedures included. Brake Diagnostics: Detailed diagnostics and repair for all brake system components. Timing Belt Installation: Step-by-step instructions for timing belt replacement, crucial for engine longevity. Diagnostic Trouble Shooting: Guides for interpreting trouble codes and performing systematic diagnostics. Wiring Schematics: Comprehensive wiring diagrams covering all electrical circuits. Transmission Maintenance: In-car servicing and complete removal/installation procedures for transmissions. Climate Control Service: Maintenance and repair procedures for the HVAC system. Front Suspension Alignment: Detailed procedures and specifications for front end alignment. U Joint Cv Joint Replacement: Service procedures for universal and constant velocity joints. Technical Depth Diagnostic Capability: Advanced diagnostics including computer diagnostic trouble trees. Repair Scope: Covers all repair procedures from basic maintenance to full rebuilds (A-Z). Illustrations Diagrams: Hundreds of detailed illustrations, exploded diagrams, and photos for clarity. 📊 Manual Specifications File Format Document Type: PDF Compatibility: Viewable on all Windows, Mac, iOS, Android, and Blackberry devices. Reader Requirement: Requires a PDF Reader. Print Quality Printability: Printable pages for use in workshop environments. Zoom Capability: Supports zooming for detailed viewing of illustrations and text. Binding Type Digital Binding: N/A (Digital PDF) Paper Type Digital Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Options: Primarily 3.0L V6 (6G72 SOHC and DOHC variants). Early models may have also offered a 2.5L V6 in some markets. The manual covers all engines for the specified years. Performance Horsepower Range: Approximately 150-210 hp depending on engine variant and market. Torque Range: Approximately 170-200 lb-ft depending on engine variant and market. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI). Engine Management ECU Coverage: Covers engine control unit (ECU) diagnostics and troubleshooting. 🔧 Transmission Standard Standard Transmission Type: 4-speed Automatic Transmission (e.g., F4A51, KM175). Optional Optional Transmission Type: 5-speed Manual Transmission may have been available on certain models or markets. Features Transmission Fluid Type: Specific ATF types (e.g., ATF-SP II, Dexron III) detailed in the manual. FWD AWD Options: Available in Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) configurations depending on model and trim. 📐 Dimensions Exterior Wheelbase: Approximately 106.7 inches (2710 mm). Length: Approximately 192.1 inches (4880 mm). Weights Curb Weight Range: Approximately 3300 - 3600 lbs (1497 - 1633 kg). Gross Vehicle Weight Rating: Detailed GVWR specifications will be in the manual. 🛡️ Safety Features Ratings Crash Test Results: NHTSA and IIHS ratings for this era are generally moderate, specific results for Sigma/Diamante would need manual verification or archival data. Active...