Vehicle Segment:
Mid-size MPV (Multi-Purpose Vehicle) / Minivan
Target Audience:
Families and individuals seeking a spacious and versatile vehicle.
Key Competitors 2003:
Toyota Sienna, Honda Odyssey, Nissan Quest, Ford Freestar, Mazda MPV.
Design Philosophy:
Sporty and stylish MPV design, moving away from traditional minivan boxy aesthetics.
Seating Capacity:
Typically 6 or 7 passenger seating configurations with flexible seating arrangements.
Distinctive Features:
Wide stance, distinctive grille, sliding rear doors, available AWD (depending on market/trim).
Primary Coverage:
Comprehensive service, repair, and maintenance for the 2003 Mitsubishi Grandis.
Secondary Coverage:
Diagnostic procedures, electrical schematics, wiring diagrams, body repairs, specifications, and troubleshooting.
Estimated Page Count:
Approximately 1500-2000 pages (typical for comprehensive service manuals of this era).
Manual Type:
Service and Repair Manual
Engine:
Detailed coverage of engine mechanicals, cooling system, lubrication system, fuel system, ignition system, emissions control, and engine management.
Transmission:
In-depth information on automatic transmission (likely INVECS-II) service, overhaul, diagnostics, and fluid specifications.
Drivetrain:
Front-wheel drive (FWD) and all-wheel drive (AWD) system service, including differentials and drive shafts.
Suspension:
Front and rear suspension systems, including struts, springs, control arms, bushings, and alignment specifications.
Steering:
Power steering system service, diagnosis, and component replacement.
Brakes:
Front and rear brake systems (discs), including hydraulic components, ABS system diagnostics, and service procedures.
Electrical:
Complete electrical system coverage, including battery, charging system, starting system, lighting, instrumentation, and power accessories.
Body:
Body panel repair, glass replacement, door mechanisms, interior trim, and exterior trim service.
Climate Control:
HVAC system diagnosis, service, and refrigerant handling.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, fluid checks, and inspections.
Troubleshooting:
Systematic diagnostic procedures and symptom-based troubleshooting guides for common issues.
Repair:
Step-by-step instructions for component removal, installation, and repair for all major vehicle systems.
Diagnostics:
Detailed diagnostic flowcharts and procedures for engine, transmission, ABS, and other electronic systems using OBD-II.
Specifications:
Torque specifications, clearances, fluid capacities, electrical parameters, and measurement guidelines.
Depth Level:
Comprehensive, suitable for professional technicians and advanced DIY mechanics. Covers basic maintenance to complete engine and transmission overhauls.
Diagnostic Tools:
References for specific diagnostic tools, scan tools (e.g., MUT-III or equivalent), and special service tools (SSTs).
Schematics:
Detailed electrical wiring diagrams and system schematics for accurate diagnosis and repair.
Engine Code:
4G69 (or similar 2.4L SOHC MIVEC)
Engine Type:
Inline 4-cylinder, DOHC (Double Overhead Camshaft), MIVEC (Mitsubishi Innovative Valve timing Electronic Control)
Displacement:
2378 cc (2.4 Liters)
Horsepower Hp:
Approximately 165 hp @ 6000 rpm (market dependent)
Torque Lb-Ft:
Approximately 170 lb-ft @ 4000 rpm (market dependent)
Fuel Delivery:
Electronic Fuel Injection (EFI), MPI (Multi-Point Injection)
Fuel Type:
Unleaded Gasoline
ECU Type:
Mitsubishi Electronic Control Unit (ECU) with OBD-II diagnostics.
Transmission Type:
4-speed Automatic Transmission (INVECS-II Sport Mode)
Drivetrain Options:
Front-Wheel Drive (FWD) or All-Wheel Drive (AWD).
Transmission Features:
Adaptive shift control, manual override 'Sport Mode'.
Transmission Fluid Type:
DIAQueen ATF-SPII (or equivalent Dexron III/Mercon compatible fluid, verify in manual).
NHTSA Front Impact Rating:
Likely 4-star (based on era and similar vehicles, confirm in manual/official sources).
NHTSA Side Impact Rating:
Likely 4-star (based on era and similar vehicles, confirm in manual/official sources).
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Optional Traction Control System (TCL).
Electronic Stability Control:
Optional Electronic Stability Control (ESC) might be available on higher trims.
Airbags:
Driver and front passenger airbags standard. Side curtain airbags may be optional.
Seat Belts:
3-point seatbelts for all occupants with pre-tensioners and force limiters for front seats.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children) system.
Head Unit:
Factory AM/FM/CD player, potentially with cassette. Optional premium audio systems available.
Display:
Basic display for radio and climate controls. No integrated navigation typically available on base models.
Cruise Control:
Standard or optional cruise control.
Auxiliary Input:
Unlikely for the factory head unit of this era, aftermarket solutions common.
Oil Change Interval:
Every 7,500 miles or 6 months (verify in manual, often dependent on driving conditions).
Air Filter Replacement Interval:
Every 15,000-30,000 miles (verify in manual).
Transmission Fluid Change Interval:
Every 30,000-50,000 miles (highly recommended, especially for AT, verify in manual).
Spark Plug Replacement Interval:
Approximately 60,000-100,000 miles for iridium/platinum plugs (verify in manual).
Engine Oil Type:
5W-30 or 10W-30 API SM/SL (verify in manual for specific viscosity grades).
Engine Oil Capacity:
Approx. 4.5 Liters (4.8 US Quarts) with filter.
Coolant Type:
Mitsubishi Super Long Life Coolant (LLC) (Pink) or equivalent HOAT antifreeze.
Brake Fluid Type:
DOT 3 or DOT 4 Brake Fluid.
Common Issues Engine:
Occasional oil leaks, intake manifold gasket issues, piston ring wear (less common).
Common Issues Transmission:
Slipping gears or rough shifting if fluid is not maintained.
Common Issues Suspension:
Worn bushings, premature strut failure on rough roads.
Common Issues Electrical:
Issues with power window motors, door lock actuators.
