The 2005 Mazda Protege, chassis code BJ, represents a refined iteration of Mazda's commitment to engaging driving dynamics, embodying the 'Jinba-Ittai' philosophy. As a compact car, it was designed to appeal to value-conscious consumers, commuters, and younger drivers, often competing with models like the Honda Civic and Toyota Corolla. Offered with a choice of a 2.0L FS-DE engine producing 130 hp or a less common 1.6L FP-DE engine, and available with either a 5-speed manual or a 4-speed automatic transmission, the Protege provided a balanced blend of performance and efficiency. Notable features included a focus on handling, with a suspension system designed for responsive road feel, and a comfortable interior with available premium audio and automatic climate control on higher trims. The vehicle also achieved strong safety ratings, including 5-star NHTSA front impact scores and a 'Good' IIHS front offset crash rating. This comprehensive factory service manual provides detailed information for the maintenance, repair, and diagnostics of the 2005 Mazda Protege. With over 1500 pages of factory-level content, it covers all major mechanical, electrical, and body systems, including engine assembly and diagnostics for both the 2.0L and 1.6L engines, manual and automatic transmission overhauls, drivetrain, suspension, steering, and braking systems. The manual also details body electrical components, HVAC systems, interior trim, and body panel work. Essential for owners and technicians alike, it includes step-by-step repair procedures, diagnostic guides with wiring diagrams, recommended maintenance schedules, fluid specifications, and identification of special tools. This resource is designed to ensure the proper upkeep and longevity of your Mazda Protege. 🏷️ Basic Information Identification Make: Mazda Model: Protege Year: 2005 Codes Chassis Code: BJ 👋 Introduction Market Position Segment: Compact Car Target Audience: Value-conscious consumers, commuters, young drivers. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Ford Focus, Nissan Sentra. Key Features Design Philosophy: Jinba-Ittai ('horse and rider as one') driving dynamics. Trim Levels: Typically includes DX, ES, and MP3 trims. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive; covers all major mechanical, electrical, and body systems. Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual (FSM) / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, lubrication system, cooling system, fuel system, emission control systems. Engine Electrical: Ignition system, starting and charging systems, engine control module (ECM) diagnostics, sensors, actuators. Transmission Manual: Manual transmission (M5) overhaul, clutch, gear shift mechanism. Transmission Automatic: Automatic transmission (FS5A-EL) overhaul, hydraulic control, torque converter, electronic controls. Drivetrain: Front-wheel drive axle shafts, differentials, drive shafts. Suspension: Front and rear suspension systems, shock absorbers, struts, control arms, springs, bushings. Steering Steering System: Power steering system, steering rack, tie rods, steering column. Brakes Brake System: Front and rear disc brakes, hydraulic system, ABS system (if equipped), parking brake. Electrical System Body Electrical: Lighting systems (headlights, taillights, interior), power windows, power locks, mirrors, wipers, horn, fuses, relays. Instrumentation Gauges: Instrument cluster, warning lights, diagnostic trouble codes (DTCs). Body And Trim Body Panels: Body panel removal and installation, doors, hood, trunk lid, bumpers, glass replacement. Interior Trim: Dashboard, door panels, seating systems, headliner. Hvac HVAC System: Heating, ventilation, and air conditioning (HVAC) system components, refrigerant handling, diagnostics. Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, brake fluid flush, coolant flush, belt replacement, tire rotation. Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, wiring diagrams, component testing. Repair Procedures: Step-by-step instructions for component removal, installation, and overhaul. Special Tools: Identification and usage of specific tools required for various repairs. Technical Depth Depth Of Information: Factory-level detail; suitable for professional technicians and advanced DIYers. Diagnostic Codes: Includes diagnostic trouble codes (DTCs) for engine, transmission, ABS, and other systems. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable for easy navigation and information retrieval. Print Quality Image Resolution: High-resolution images and diagrams for clarity. Binding Type Binding: Not Applicable (Digital PDF) Paper Type Paper Quality: Not Applicable (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code 1: FS-DE Engine Type 1: 2.0L Inline-4 DOHC 16-valve Horsepower 1: 130 hp @ 6000 rpm Torque 1: 135 lb-ft @ 4300 rpm Secondary Engine Engine Code 2: FP-DE (less common in North America for 2005) Engine Type 2: 1.6L Inline-4 SOHC 16-valve Horsepower 2: 100 hp Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPI). Fuel Type: Unleaded gasoline, 87 octane recommended. Cooling System Coolant Type: Mazda FL22 Extended Life Antifreeze (Green) or equivalent silicate-free, extended-life coolant. Coolant Capacity: Approx. 5.7 US quarts (5.4 liters). 🔧 Transmission Standard Transmission Type Std: 5-speed manual transmission (M5) Optional Transmission Type Opt: 4-speed automatic transmission (FS5A-EL) Features Automatic Transmission Features: Electronic control, torque converter lock-up. Fluid Specs Manual Transmission Fluid Type: API GL-4, SAE 75W-90 synthetic gear oil. Automatic Transmission...