Market Position:
        
        
            Premium mid-size sedan offering a blend of performance, luxury, and innovative technology, particularly its unique Miller Cycle engine.
        
     
    
    
        
            Competitive Analysis:
        
        
            Competed against established luxury and performance sedans such as the Lexus ES, Acura Legend/RL, BMW 5 Series, Mercedes-Benz E-Class, and Cadillac DeVille. The Millenia differentiated itself with its distinctive styling, refined interior, and the advanced, albeit complex, Miller Cycle engine.
        
     
    
    
        
            Key Features:
        
        
            Miller Cycle Supercharged Engine, luxurious interior appointments, distinctive Kodo design language influences, comfortable ride, available premium audio systems.
        
     
    
    
        
            Value Proposition:
        
        
            Provides do-it-yourself mechanics and owners with the essential, factory-level information required to maintain and repair their 2001 Mazda Millenia, saving money compared to professional shop labor.
        
     
 
    
    
    
        
            Coverage Areas:
        
        
            Engine, Transmission, Drivetrain, Brakes, Suspension, Steering, HVAC, Electrical System, Bodywork, Exterior Trim, Interior Trim, Diagnostics, Maintenance
        
     
    
    
        
            Estimated Page Count:
        
        
            1500+
        
     
    
    
        
            Manual Type:
        
        
            Official Factory Service & Repair Manual Software
        
     
    
    
    
    
        
            Format:
        
        
            Online Software Access (1 Year)
        
     
 
    
    
    
        
            Systems Covered:
        
        
            Engine Mechanical (3.5L V6 Miller Cycle, 2.5L V6), Engine Control Systems (ECU, sensors, actuators), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System, Transmission (Automatic, 4-Speed), Differential, Axles, Braking System (ABS), Steering System, Suspension (Front & Rear), Chassis Components, Electrical System (Wiring Diagrams, Fuses, Relays, Lighting, Power Accessories), Climate Control (HVAC), Body Electrical, Diagnostic Trouble Codes (DTCs), On-Board Diagnostics (OBD-II)
        
     
    
    
        
            Procedures Included:
        
        
            Routine Maintenance, Scheduled Service Intervals, Engine Tune-up, Engine Rebuilding, Transmission Servicing & Overhaul, Brake Pad & Rotor Replacement, Suspension Component Replacement, Steering Component Repair, Electrical Troubleshooting, HVAC System Repair, Body Panel Repair, Interior Component Removal & Installation, Diagnostic Procedures, Wiring Harness Repair, Fluid Checks & Changes, Belt & Hose Replacement, Spark Plug Replacement, Filter Replacements (Oil, Air, Fuel, Cabin)
        
     
    
    
        
            Technical Depth:
        
        
            Comprehensive - from basic DIY maintenance to advanced diagnostic and repair procedures, including detailed component removal, installation, and adjustment specifications. Covers factory-level repair and diagnostic information.
        
     
    
    
        
            Special Procedures:
        
        
            Miller Cycle Supercharger Diagnosis and Repair, ECU Reprogramming, Diagnostic Trouble Code Retrieval and Interpretation
        
     
 
    
    
    
        
            File Format:
        
        
            Web-based software accessible via browser.
        
     
    
    
        
            Print Quality:
        
        
            N/A (Digital Access)
        
     
    
    
        
            Binding Type:
        
        
            N/A (Digital Access)
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital Access)
        
     
    
    
        
            Software Features:
        
        
            Searchable text, clickable links for navigation, high-resolution diagrams and illustrations, printable sections.
        
     
    
    
        
            Compatibility:
        
        
            PC, Laptop, Smartphone, Tablet with internet connection and web browser.
        
     
    
    
        
            License Type:
        
        
            Officially Licensed OE Materials
        
     
 
    
    
    
        
            Engine Options:
        
        
            2.5L V6 (Naturally Aspirated), 3.5L V6 (Miller Cycle Supercharged)
        
     
    
    
        
            3.5L V6 Miller Cycle Engine Power:
        
        
            210 hp @ 5300 rpm
        
     
    
        
            3.5L V6 Miller Cycle Engine Torque:
        
        
            240 lb-ft @ 3500 rpm
        
     
    
        
            2.5L V6 Engine Power:
        
        
            170 hp @ 6000 rpm
        
     
    
        
            2.5L V6 Engine Torque:
        
        
            180 lb-ft @ 4800 rpm
        
     
    
    
        
            Fuel System:
        
        
            Electronic Fuel Injection (EFI)
        
     
    
    
        
            Engine Design:
        
        
            V6, DOHC, 24 Valves
        
     
    
    
        
            Ignition System:
        
        
            Distributorless Ignition System (DIS) with Coil-on-Plug
        
     
    
    
        
            Cooling System:
        
        
            Pressurized Liquid Cooling System
        
     
    
    
        
            Miller Cycle Engine Code:
        
        
            KL-ZE (modified)
        
     
    
        
            Naturally Aspirated Engine Code:
        
        
            KL-DE
        
     
 
    
    
    
        
            NHTSA Front Impact Driver:
        
        
            Good
        
     
    
        
            NHTSA Front Impact Passenger:
        
        
            Good
        
     
    
        
            IIHS Front Offset Crash Test:
        
        
            Acceptable
        
     
    
    
        
            Active Safety Features:
        
        
            Anti-lock Braking System (ABS), Traction Control System (TCS)
        
     
    
    
        
            Passive Safety Features:
        
        
            Dual Front Airbags, Side Impact Airbags (optional), Crumple Zones, Safety Door Beams, Pretensioner Seatbelts
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Optional premium audio systems, often with CD player and cassette deck. Digital climate control.
        
     
    
    
        
            Driver Assistance Features:
        
        
            Cruise Control, ABS, Traction Control
        
     
    
    
        
            Connectivity Features:
        
        
            Limited by modern standards; typically a 12V power outlet for accessories.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 miles or 6 months, whichever comes first (using synthetic oil recommended).
        
     
    
        
            Air Filter Replacement Interval:
        
        
            Every 15,000 miles or 12 months.
        
     
    
        
            Spark Plug Replacement Interval:
        
        
            Every 100,000 miles (Long-life Iridium spark plugs).
        
     
    
        
            Timing Belt Replacement Interval:
        
        
            Not Applicable (Timing Chain)
        
     
    
    
        
            Engine Oil Type:
        
        
            API SG/SH/SJ or ILSAC GF-II/GF-III, SAE 5W-30 or 10W-30 (refer to manual for specific climate recommendations).
        
     
    
        
            Coolant Type:
        
        
            Mazda Super Long Life Coolant (or equivalent ethylene glycol based coolant with proper corrosion inhibitors)
        
     
    
        
            Brake Fluid Type:
        
        
            FMVSS No. 116 DOT 3 or DOT 4
        
     
    
        
            Power Steering Fluid Type:
        
        
            ATF Dexron II/III
        
     
    
        
            Engine Coolant Capacity:
        
        
            8.2 Liters (8.7 Quarts)
        
     
    
    
        
            Known Issues:
        
        
            Miller Cycle Engine: Supercharger belt wear, potential oil leaks from seals, intake manifold issues. General: O2 sensor failures, transmission shift issues, HVAC blower motor resistor failure, ABS sensor failures, door lock actuator problems, suspension component wear (bushings, ball joints).
        
     
    
    
        
            Recommended Maintenance:
        
        
            Regular inspection of all fluids, belts, hoses, and brake components. Monitor engine performance closely, especially related to the supercharger.
        
     
 
    
    
    
        
            Brand Heritage:
        
        
            Mazda has a history of producing engaging and well-engineered vehicles, often with a focus on driving dynamics and innovative technology.
        
     
    
    
        
            Model Evolution:
        
        
            The Millenia was introduced as Mazda's flagship luxury sedan, replacing the Mazda 929. The second generation saw styling updates and the introduction of the innovative 3.5L Miller Cycle engine, aiming to compete in the near-luxury segment.
        
     
    
    
        
            Production Years:
        
        
            1994-2002
        
     
    
    
        
            Production Location:
        
        
            Hofu, Yamaguchi, Japan