Market Segment:
Compact executive car, premium segment.
Platform Sharing:
Shared platform with the Ford Mondeo of the same era, but with distinct Jaguar styling and premium interior appointments.
Key Competitors:
BMW 3 Series, Mercedes-Benz C-Class, Audi A4, Lexus IS.
Design Philosophy:
Retained classic Jaguar design cues while adapting to a more modern, front-wheel-drive platform.
Powertrain Layout:
Primarily front-wheel drive (FWD) with optional all-wheel drive (AWD) on certain engine variants.
Interior Appointments:
Luxurious interior featuring wood veneers, leather upholstery, and refined ergonomics.
Electrical System Overview:
Comprehensive coverage of all 2004 Jaguar X-Type electrical systems and components.
Wiring Diagrams:
Detailed color-coded wiring schematics for all vehicle circuits, including power distribution, grounds, and signal paths.
Component Locations:
Identification and location of all electrical modules, sensors, actuators, and connectors.
Lighting System:
Headlamps, tail lamps, interior lighting, fog lights, and associated control modules.
Powertrain Control:
Engine control module (ECM) wiring, fuel injection, ignition system, and emissions control.
Transmission Control:
Automatic transmission control module (TCM) wiring, gear selection signals.
Chassis Systems:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC) wiring.
Suspension Control:
Adaptive Damping System (ADS) if equipped, ride height sensors.
Comfort And Convenience:
Power windows, power locks, remote keyless entry, central locking, mirrors, seats, climate control (HVAC), sunroof operation.
Infotainment System:
Audio system wiring, navigation system, speaker connections, antenna systems.
Instrumentation:
Instrument cluster wiring, gauges, warning lights, driver information center.
Safety Systems:
Airbag system (SRS) wiring, seatbelt pre-tensioners, impact sensors.
Diagnostics And Troubleshooting:
Diagnostic Trouble Codes (DTCs) interpretation, testing procedures for sensors and actuators, circuit testing methodologies.
Wiring Repair:
Guidance on identifying and repairing damaged wiring harnesses, connectors, and splices.
Fuse And Relay Locations:
Identification and function of all fuses and relays within the vehicle's electrical system.
Battery Service:
Battery testing, replacement procedures, and proper charging methods.
Ground Point Identification:
Location and testing of critical ground points for electrical circuits.
Connector Pinouts:
Detailed pinout information for major electrical connectors, crucial for diagnostics.
Module Testing:
Procedures for testing and diagnosing various electronic control modules (ECMs, TCMs, BCMs, etc.).
Sensor Testing:
Methods for testing the functionality of various sensors (e.g., oxygen sensors, wheel speed sensors, throttle position sensors).
Actuator Testing:
Procedures for testing actuators such as fuel injectors, ignition coils, power door lock actuators.
Diagnostic Techniques:
Advanced diagnostic techniques, including voltage drop testing, signal tracing, and oscilloscope use.
Repair Procedures:
Detailed step-by-step repair procedures for common and uncommon electrical faults.
Troubleshooting Charts:
Systematic troubleshooting flowcharts based on symptoms and DTCs.
Schematic Interpretation:
Guidance on how to read and interpret complex automotive electrical schematics.
Engine Options 2004:
2.0L Duratec I4, 2.5L V6, 3.0L V6
Engine Code 2.5L V6:
AJ-V6 (likely AJ27 variant)
Engine Displacement 2.5L V6:
2495 cc
Horsepower 2.5L V6:
194 hp @ 6800 rpm
Torque 2.5L V6:
230 Nm (169 lb-ft) @ 4000 rpm
Engine Code 3.0L V6:
AJ-V6 (likely AJ28 variant)
Engine Displacement 3.0L V6:
2967 cc
Horsepower 3.0L V6:
231 hp @ 6950 rpm
Torque 3.0L V6:
277 Nm (204 lb-ft) @ 4800 rpm
0-60 Mph 2.5L V6:
Approx. 7.5-8.5 seconds
0-60 Mph 3.0L V6:
Approx. 6.7-7.2 seconds
Fuel Type:
Unleaded gasoline
Fuel Delivery:
Electronic Fuel Injection (EFI)
Standard Transmission 2.5L V6:
5-speed Manual
Standard Transmission 3.0L V6:
5-speed Automatic (Jatco JL-8)
Optional Transmission 2.5L V6:
5-speed Automatic (Jatco JL-8)
Optional Transmission 3.0L V6:
6-speed Manual (less common, primarily in early production or specific markets)
AWD System:
Jaguar 'Cats Eye' All-Wheel Drive system (on 2.5L and 3.0L V6 with automatic transmission).
AWD Bias:
Typically a 40:60 front-to-rear torque split for a RWD feel.
Length Sedan:
Approx. 4775 mm (188.0 in)
Length Estate:
Approx. 4785 mm (188.4 in)
Width:
Approx. 1780 mm (70.1 in)
Height:
Approx. 1430 mm (56.3 in)
Wheelbase:
Approx. 2700 mm (106.3 in)
Cargo Volume Sedan:
Approx. 440 liters (15.5 cu ft)
Cargo Volume Estate:
Approx. 470-1370 liters (16.6-48.4 cu ft) with rear seats folded
Curb Weight 2.5L AWD:
Approx. 1570 kg (3461 lbs)
Curb Weight 3.0L AWD:
Approx. 1610 kg (3550 lbs)
NHTSA Front Impact Rating:
Not specifically rated for 2004, but typically expected to perform well for its class and era.
IIHS Ratings:
Frontal Offset: Acceptable (for 2004 models)
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Standard Traction Control System (TCS).
Electronic Stability Control:
Optional Electronic Stability Control (ESC) on some models.
Airbags:
Front airbags, front side airbags, and optional rear side airbags.
Seatbelt Pretensioners:
Standard front seatbelt pre-tensioners.
Active Head Restraints:
Standard active front head restraints.
Oil Change Interval:
Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first (consult manual for exact specification).
Transmission Fluid Change:
Automatic: Every 60,000 miles (96,000 km) or as per severe service schedule. Manual: Typically no scheduled change, but inspect for leaks and contamination.
Coolant Change:
Initial change at 5 years/50,000 miles, then every 2 years/24,000 miles thereafter (using Jaguar-approved coolant).
Engine Oil Spec 2.5L V6:
SAE 5W-30 (API SN or ILSAC GF-5, meeting Ford WSS-M2C913-B specification).
Engine Oil Spec 3.0L V6:
SAE 5W-30 (API SN or ILSAC GF-5, meeting Ford WSS-M2C913-B specification).
Transmission Fluid Automatic:
Jatco JW3309 or equivalent (e.g., Mobil ATF 3309).
Transmission Fluid Manual:
API GL-4 SAE 75W-80 or SAE 75W-90 synthetic gear oil.
Coolant Specification:
OAT (Organic Acid Technology) Antifreeze/Coolant, e.g., Jaguar Coolant XJ40-184755.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Ignition Coil Failure:
Premature failure of ignition coils, leading to misfires, particularly on V6 engines.
Timing Chain Tensioners:
Potential wear or failure of timing chain tensioners on early V6 engines, requiring timely replacement to avoid catastrophic engine damage.
Coolant Leaks:
Leaky plastic coolant pipes and water pump failures are not uncommon.
E Brake Actuator:
Issues with the electronic parking brake (EPB) actuator, often due to corrosion or electrical faults.
Door Lock Actuators:
Failure of power door lock actuators.
ABS Wheel Speed Sensors:
Failure of ABS wheel speed sensors leading to ABS and Traction Control warnings.
Jaguar Legacy:
Jaguar's reputation for luxury, performance, and refined styling, dating back to the 1930s.
X Type Introduction:
Launched in 2001 as Jaguar's first compact executive car and first front-wheel-drive model, designed to broaden the brand's appeal and target a younger demographic.
2004 Model Year Updates:
Minor updates may have been introduced for the 2004 model year, often concerning feature packaging and trim options.
Manufacturing Location:
Halewood, Liverpool, United Kingdom.
Production Span:
2001-2009