Vehicle Segment:
Mid-size Crossover SUV
Target Audience:
Families seeking a versatile, reliable, and comfortable SUV with the Toyota reputation for quality.
Key Competitors:
Honda CR-V, Ford Escape, Nissan Murano, Subaru Outback, Chevrolet Equinox.
Unique Selling Points:
Renowned Toyota reliability, comfortable ride, spacious interior, available all-wheel drive, smooth V6 engine.
Manual Value Proposition:
Provides comprehensive, accurate, and officially licensed repair information, empowering owners and technicians to perform maintenance and repairs effectively, saving on dealership service costs.
Engine:
Detailed coverage of 3.0L (1MZ-FE) V6 DOHC engine, including maintenance, diagnostics, overhaul procedures, and component testing.
Engine Management:
Exhaust Gas Recirculation (EGR), Ignition system, Fuel Injection system, Emissions control systems.
Transmission:
U151E 5-speed automatic transmission, including overhaul, diagnostics, shift control, torque converter, and fluid service.
Drivetrain:
Front-Wheel Drive (FWD) and Electronic On-Demand Four-Wheel Drive (4WD) systems, including differential, driveshafts, and CV joints.
Suspension:
Front MacPherson strut and rear independent multi-link suspension, including alignment specifications, component replacement, and diagnostics.
Brakes:
Front and rear disc brakes (Vented front, Solid rear), ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), Brake assist, Parking brake system.
Steering:
Power assisted rack and pinion steering, steering column, and related components.
Electrical System:
12V battery, charging system (alternator), starting system, lighting system (headlights, taillights, interior), fuses, relays, and wiring diagrams.
Body And Frame:
Exterior panels, interior trim, doors, glass, body sealing, collision repair information.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant servicing, blower motor, and climate control operation.
Restraint Systems:
SRS (Supplemental Restraint System) - Airbags, seatbelt pretensioners, and related sensors. (Cautionary notes for SRS system work are critical).
Diagnostics And Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, diagnostic tools and procedures, on-board diagnostics (OBD-II).
Routine Maintenance:
Oil change, filter replacement (oil, air, cabin), fluid checks and top-offs, tire rotation, spark plug replacement.
Component Replacement:
Alternator, starter motor, water pump, thermostat, fuel pump, brake pads/rotors, suspension components, exhaust system.
Troubleshooting Fault Finding:
Systematic diagnosis of malfunctions using schematics, test procedures, and diagnostic equipment.
Engine Rebuilding:
Complete engine overhaul procedures, including cylinder head removal/installation, piston and connecting rod service, crankshaft service.
Transmission Overhaul:
Detailed steps for disassembly, inspection, repair, and reassembly of the automatic transmission.
Electrical Diagnostics:
Troubleshooting wiring issues, sensor testing, actuator testing, and module diagnostics.
Alignment Procedures:
Front and rear wheel alignment specifications and adjustment procedures.
Climate Control Service:
Refrigerant system evacuation and recharge, leak testing, component replacement within the HVAC system.
Body Repair:
Panel removal and installation, door adjustments, glass replacement, and basic collision repair techniques.
Depth Of Coverage:
Comprehensive factory-level repair and diagnostic information, suitable for professional technicians and advanced DIY enthusiasts.
Diagnostic Tools:
Detailed use of Toyota's diagnostic tools (e.g., Techstream) and generic OBD-II scanners for fault code retrieval and data analysis.
Torque Specifications:
Precise torque values for all critical fasteners throughout the vehicle.
Wiring Diagrams:
Detailed electrical wiring schematics for all vehicle systems, aiding in troubleshooting electrical faults.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Engine Type:
3.0L V6 DOHC (Double Overhead Camshaft) 24-valve
Horsepower:
220 hp @ 5800 rpm (approximate, depending on specific market tuning)
Torque:
222 lb-ft @ 4400 rpm (approximate)
Bore X Stroke:
86.0 mm x 86.0 mm
Fuel Delivery:
Electronic Fuel Injection (EFI) with Sequential Port Injection.
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Coolant Capacity:
Approximately 7.7 Quarts (7.3 Liters)
Coolant Type:
Toyota Super Long Life Coolant (SLLC) - Pink
Oil Capacity:
6.4 Quarts (6.1 Liters) with filter change
Recommended Oil Viscosity:
SAE 5W-30 (API Certified)
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first (using conventional oil). For synthetic oil, consult manual, typically extended to 10,000 miles/12 months.
Air Filter Replacement:
Every 30,000 miles or as needed based on inspection. The manual will detail inspection criteria.
Cabin Air Filter Replacement:
Every 15,000 miles or 12 months, or as needed.
Spark Plug Replacement:
Platinum-tipped spark plugs (e.g., Denso PK20TT) typically have a lifespan of 100,000 miles. Consult manual for specific part numbers and recommended intervals.
Transmission Fluid Change:
Every 60,000 miles is a common recommendation for severe driving conditions. Toyota often recommends 'lifetime' fluid, but regular changes are advisable for longevity. Refer to manual for specific recommendations.
Coolant Replacement:
First replacement at 100,000 miles, then every 50,000 miles thereafter (using Toyota SLLC).
Engine Oil Spec:
API SN, SM, SL, or equivalent; SAE 5W-30.
Transmission Fluid Spec:
Toyota ATF WS (World Standard).
Brake Fluid Spec:
DOT 3 or DOT 4.
Power Steering Fluid Spec:
Toyota Genuine Power Steering Fluid or equivalent DEXRON II/III ATF (check manual for exact specification).
Common Wear Items:
CV axles, brake wear, front suspension components (bushings, ball joints), exhaust system (rust).
Engine Idling Issues:
Occasional issues with throttle body or mass airflow sensor requiring cleaning or replacement.
Transmission Shifting:
While generally robust, occasional harsh shifting or delayed engagement can occur, often related to fluid condition or solenoid issues. The manual will detail diagnostic procedures.
HVAC Blower Motor:
Blower motor resistor failure can lead to non-functional fan speeds.
Toyota Reputation:
Toyota is renowned globally for its commitment to quality, durability, and reliability (QDR).
First Generation Introduction:
The first-generation Highlander (XU20) was introduced for the 2001 model year, built on the Camry platform.
2004 Facelift:
The 2004 model year received a mid-cycle refresh, improving styling, interior features, and powertrain refinement, setting the stage for the 2005 model.
Powertrain Update For 2005:
The 2005 model year saw the introduction of the more powerful 3.0L 1MZ-FE V6 engine and the new U151E 5-speed automatic transmission, a significant upgrade from the previous 4-speed automatic.
Manufacturing Location:
Highlander models for the North American market are primarily manufactured at Toyota Motor Manufacturing, Indiana (TMMI) in Princeton, Indiana.