Positioning:
Premium luxury sedan, positioned against established German and American luxury marques
Competitors:
Lexus LS 400, Mercedes-Benz S-Class, BMW 7 Series, Cadillac Seville
Distinctive Features:
VQ30DE engine, unique styling, advanced technology for its era, sophisticated multi-link suspension
Modern Access:
Online, easily accessible, and constantly updated digital format compared to outdated printed manuals
Engine:
Engine mechanical, lubrication, cooling, fuel, ignition, exhaust, engine management, emissions control
Drivetrain:
Automatic transmission, differentials, driveshafts, axles, torque converter
Brakes:
Front disc, rear disc, ABS (Anti-lock Braking System), hydraulic systems, parking brake
Suspension Steering:
Front multi-link suspension, rear multi-link suspension, power steering system, steering gear, suspension components
Electrical:
Battery, charging system, starting system, ignition system, lighting, instruments, indicators, power windows, power seats, audio system, fuse box, wiring diagrams
HVAC:
Heating, Ventilation, and Air Conditioning systems, components, and controls
Body:
Body panels, doors, hood, trunk, bumpers, interior trim, glass, mirrors
Chassis:
Frame, subframes, mounting points
Maintenance:
Routine service, oil changes, filter replacements, fluid checks, lubrication
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation
Repair:
Component removal and installation, overhaul procedures, adjustment procedures
Troubleshooting:
Step-by-step troubleshooting for common and complex issues
Wiring Diagrams:
Detailed electrical wiring diagrams for all vehicle systems
Torque Specifications:
Precise torque values for all critical fasteners
Depth:
Comprehensive factory-derived information for DIYers and professional technicians
Diagnostic Tools:
Information on using specialized Nissan/Infiniti diagnostic tools (Consult)
NHTSA Front Impact:
Not specifically rated by NHTSA for this era, but designed with substantial safety features.
ABS:
Standard Anti-lock Braking System (ABS)
Airbags:
Driver and passenger front airbags
Seat Belts:
3-point front and rear seatbelts
Body Structure:
Reinforced safety cage construction
Audio System:
Premium Bose audio system with cassette and AM/FM radio
Display:
Optional navigation system with CRT screen (a very advanced feature for its time)
Cruise Control:
Standard cruise control
Seats:
Power-adjustable front seats with memory function, heated front seats
Climate Control:
Automatic climate control
Mirrors:
Power-adjustable and heated side mirrors
Oil Change Interval:
Every 3,750 - 7,500 miles (6,000 - 12,000 km) or 6 months, depending on driving conditions
Transmission Fluid Change:
Every 30,000 - 60,000 miles (48,000 - 96,000 km), or as per manual recommendation
Coolant Change:
Every 30,000 miles (48,000 km) or 2 years
Engine Oil Type:
API SG or SH, SAE 10W-30 or 10W-40
Engine Oil Capacity:
4.8 US quarts (4.5 liters) with filter change
Coolant Type:
Nissan Genuine Super Long Life Coolant (blue) or equivalent silicate-free antifreeze
Brake Fluid Type:
DOT 3 or DOT 4
Common Problems:
Variable valve timing (NVTC) solenoids, active suspension issues (if equipped), power steering pump leaks, ABS sensor failures, cam position sensor failures.
Typical Wear Items:
Brake pads and rotors, suspension bushings, catalytic converter (due to age)
Brand Origin:
Infiniti is the luxury vehicle division of Nissan, established in 1989 to compete in the premium automotive market.
First Generation:
The first generation Q45 (G50 chassis) debuted for the 1990 model year, with the FY32 chassis being the second generation introduced for the 1997 model year. The 1992 model falls into the first generation.
Production Period:
1990-1996 (First Generation FY32)
