OBD-II system, scan tool usage, sensor testing, actuator testing, component resistance and voltage checks.
Electrical Troubleshooting:
Wiring diagrams, circuit testing, component identification, fuse and relay testing.
Preventative Maintenance:
Scheduled maintenance tasks, inspection points, fluid type recommendations.
Technical Depth
Depth:
Comprehensive, covering everything from basic fluid changes to full engine and transmission rebuilds, including detailed electrical schematics and diagnostic procedures.
๐ Manual Specifications
File Format
Format:
PDF (Portable Document Format)
Searchability:
Likely text-searchable if created from digital sources, or may require OCR if scanned images.
Print Quality
Printability:
High quality, allowing for clear printing of text and diagrams.
Approx. 24.8 cu ft (behind rear seats), expandable to approx. 64.5 cu ft (with rear seats folded)
๐ก๏ธ Safety Features
Ratings
NHTSA Front Crash Test:
Not consistently rated for 2003 models, but generally performed well for its class.
IIHS Front Crash Test:
Good (for models tested in later years reflecting similar design).
Active Features
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist, Traction Control System (TCS), Vehicle Dynamic Control (VDC).
Passive Features
Passive Safety Features:
Front airbags, front side-impact airbags, front and rear side curtain airbags, three-point seat belts with pretensioners, active head restraints.
๐ก Technology Features
Infotainment
Infotainment Features:
Available premium audio system (Bose), CD player, optional navigation system, available rear-seat entertainment.
Driver Assistance
Driver Assistance Features:
Traction Control System (TCS), Vehicle Dynamic Control (VDC), intelligent key with push-button ignition, optional rearview monitor.
Connectivity
Connectivity Options:
Limited by modern standards; primarily analog audio inputs.
๐ง Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles or 6 months, whichever comes first, under normal driving conditions. Check manual for severe driving conditions.
Transmission Fluid Interval:
Inspect every 30,000 miles. Replace every 60,000 miles or as per severe service schedule. Consult manual for specific fluid type.
Engine Air Filter Replacement:
Inspect every 15,000 miles, replace as needed or at least every 30,000 miles.
Cabin Air Filter Replacement:
Inspect every 15,000 miles, replace annually or as needed.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 Synthetic (API SM or higher, ILSAC GF-4)
Engine Oil Capacity:
VQ35DE: Approx. 4.8 US quarts (4.5 liters) with filter; VK45DE: Approx. 5.9 US quarts (5.6 liters) with filter
Transmission Fluid Type:
Nissan Matic J (or equivalent ATF)
Power Steering Fluid:
Nissan PSF (Power Steering Fluid) or Dexron III/Mercon ATF
Coolant Type:
Nissan Genuine Super Coolant (Blue) or equivalent P-OAT coolant
Known Issues
Common Wear Items:
Front suspension bushings and ball joints (can lead to clunking noises and alignment issues), ignition coils (VQ35DE), mass air flow sensor (MAF), oil pressure sending unit.
Transmission Note:
While generally robust, some owners have reported issues with the RE5R05A transmission if maintenance is neglected, particularly with overheating and fluid degradation.
๐ Vehicle History
Brand Heritage
Brand Origin:
Infiniti is the luxury vehicle division of Japanese automaker Nissan, established in 1989.
Model Evolution
First Generation Launch:
The Infiniti FX series (first generation, S50) was introduced for the 2003 model year, designed to compete in the growing luxury SUV market with a focus on performance and distinctive styling.
Fx Design Philosophy:
The FX was characterized by its 'coupe-like' styling, muscular stance, and performance-oriented chassis, setting it apart from more traditional SUV designs.
Production
Manufacturing Location:
a n d j u s t o n e a t h e m a n u a l s w h i c h a r e s e t u p t o h e l p y o u w i t h i t .
๐ Awards & Recognition
Recognitions
Automotive Press Reviews:
The FX35/FX45 received generally positive reviews for its distinctive styling, athletic handling, and powerful engines, though critics sometimes pointed to a firmer ride and less practical interior space compared to competitors.