Engine:
        
        
            Detailed coverage including maintenance, diagnostics, performance tuning, and overhaul for all applicable engines.
        
     
    
        
            Control System:
        
        
            Comprehensive diagnostics and repair of Engine Control Module (ECM), Transmission Control Module (TCM), and other vehicle control units.
        
     
    
        
            Mechanical:
        
        
            In-depth coverage of all mechanical components, including chassis, body, and powertrain.
        
     
    
        
            Fuel Service:
        
        
            Specifications and procedures for fuel system maintenance, diagnosis, and repair, including fuel injection and pump systems.
        
     
    
        
            Emission Control:
        
        
            Detailed information on emission control systems, diagnosis of related fault codes, and component testing.
        
     
    
        
            Intake Exhaust Cooling:
        
        
            Procedures for servicing and repairing intake manifold, exhaust systems, and the entire cooling system, including radiators and water pumps.
        
     
    
        
            Lube:
        
        
            Information on lubrication points, fluid capacities, and recommended lubricants for various components.
        
     
    
        
            Ignition Starting Charging:
        
        
            Complete diagnostic and repair procedures for ignition system, starter motor, and charging system (alternator).
        
     
    
        
            Auto Transmission:
        
        
            Detailed repair, overhaul, and diagnostic procedures for automatic transmissions, including fluid specifications and component identification.
        
     
    
        
            Manual Transmission:
        
        
            While the X351 XJ primarily featured automatic transmissions, this section would cover any manual transmission variants or related components if applicable for the model year.
        
     
    
        
            Transfer Propeller Shaft:
        
        
            Service and repair of driveshafts, universal joints, and transfer case (if applicable to drivetrain configuration).
        
     
    
        
            Drive Shaft:
        
        
            Coverage of drive axles, CV joints, and related components.
        
     
    
        
            Differential:
        
        
            Service, maintenance, and repair of front and rear differentials, including fluid type and capacity.
        
     
    
        
            Axle Suspension:
        
        
            Comprehensive coverage of front and rear suspension systems, including components like control arms, shock absorbers, springs, and wheel bearings.
        
     
    
        
            Tire Wheel:
        
        
            Information on wheel and tire specifications, mounting, balancing, and alignment procedures.
        
     
    
        
            Brake Control:
        
        
            Detailed procedures for diagnosing and repairing the ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), and traction control systems.
        
     
    
        
            Brake:
        
        
            Complete service and repair of braking systems, including rotors, pads, calipers, brake lines, and master cylinder.
        
     
    
        
            Parking Brake:
        
        
            Service and adjustment procedures for the parking brake system.
        
     
    
        
            Steering Column:
        
        
            Repair and adjustment of the steering column, including tilt and telescoping functions.
        
     
    
        
            Power Steering:
        
        
            Diagnostic and repair procedures for the power steering system, including pump, rack, and fluid.
        
     
    
        
            Air Condition:
        
        
            Comprehensive coverage of HVAC (Heating, Ventilation, and Air Conditioning) system diagnosis, repair, and refrigerant handling.
        
     
    
        
            Supplemental Restraint System:
        
        
            Detailed information on airbags, SRS module, seat belt pretensioners, and related diagnostics and replacement procedures.
        
     
    
        
            Seat Belt:
        
        
            Service and repair of seat belt mechanisms and retractors.
        
     
    
        
            Engine Immobilizer:
        
        
            Information on the immobilizer system, key programming, and troubleshooting.
        
     
    
        
            Cruise Control:
        
        
            Diagnostic and repair procedures for the cruise control system.
        
     
    
        
            Wiper Washer:
        
        
            Service and repair of windshield wiper and washer systems.
        
     
    
        
            Door Lock:
        
        
            Diagnosis and repair of power door locks, central locking systems, and keyless entry.
        
     
    
        
            Meter Audio Visual:
        
        
            Coverage of instrument cluster, audio systems, and entertainment components.
        
     
    
        
            Horn:
        
        
            Service and repair of the horn system.
        
     
    
        
            Windshield Glass Mirror:
        
        
            Procedures for windshield replacement, glass repair, and mirror adjustment/replacement.
        
     
    
        
            Instrument Panel:
        
        
            Repair and removal/installation of the instrument panel and its components.
        
     
    
        
            Seat:
        
        
            Service and repair of power seats, manual seats, and seat mechanisms.
        
     
    
        
            Engine Hood Door:
        
        
            Procedures for servicing and repairing engine hood latches, hinges, and door mechanisms.
        
     
    
        
            Exterior Interior:
        
        
            Coverage of exterior trim, interior trim, and related components.
        
     
    
        
            Electrical:
        
        
            Extensive coverage of the vehicle's electrical system, including wiring diagrams, component testing, and troubleshooting.
        
     
    
        
            Multiplex Can Communication:
        
        
            Detailed diagnostics and troubleshooting for CAN (Controller Area Network) bus systems and multiplexed electrical systems.
        
     
    
    
        
            Maintenance:
        
        
            Routine maintenance procedures, fluid changes, filter replacements, and inspection schedules.
        
     
    
        
            Diagnostics:
        
        
            Systematic diagnostic procedures for identifying and resolving faults, including interpretation of diagnostic trouble codes (DTCs).
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major and minor components and systems.
        
     
    
        
            Troubleshooting:
        
        
            Troubleshooting guides for common and complex issues, often presented in a flowchart or logical step format.
        
     
    
        
            Installation Replacement:
        
        
            Detailed instructions for removing and installing components, from simple bulbs to complex engine assemblies.
        
     
    
        
            Wiring Schematics:
        
        
            Complete and detailed wiring diagrams for all electrical circuits within the vehicle.
        
     
    
    
        
            Depth:
        
        
            Factory-level technical depth, covering everything from basic fluid checks to complete engine and transmission overhauls, and advanced electronic diagnostics.