Infiniti QX4 (R50) 2000 thru 2003, repair e-manual

Content

General information

• Precautions
• How to use this manual
• How to read wiring diagrams
• How to check terminal
• How to perform efficient diagnosis for an electrical incident
• How to follow trouble diagnosis
• Consult-II checking system
• Identification information
• Lifting points and tow truck towing
• Tightening torque of standard bolts
• SAE J1930 terminology list

Maintenance

• Precautions
• Preparation
• General maintenance
• Periodic maintenance
• Recommended fluids and lubricants
• Engine maintenance
• Chassis and body maintenance
• Service data and specifications

Engine mechanical

• Precautions
• Preparation
• Noise, vibration and harshness troubleshooting
• Outer component parts
• Measurement of compression pressure oil pan
• Timing chain
• Oil seal
• Cylinder head
• Engine assembly
• Cylinder block
• Service data and specifications

Engine lubrication and cooling systems

• Engine lubrication system
• Oil pump
• Oil cooler
• Engine cooling system
• Water pump
• Thermostat
• Water control valve
• Radiator
• Cooling fan

Engine control system

• Trouble diagnosis - index
• Precautions
• Preparation
• Engine and emission control overall system
• Engine and emission basic control system description
• Basic service procedure
• Trouble diagnosis
• Start signal
• Fuel pump
• Power steering oil pressure switch
• Refrigerant pressure sensor
• Electrical load signal
• Variable induction air control system
• Njector
• Service data and specifications

Accelerator control, fuel and exhaust systems

• Preparation
• Accelerator control system
• Fuel system
• Exhaust system

Automatic transmission

• Trouble diagnosis - index
• Precautions
• Preparation
• Overall system
• On board diagnostic system description
• Trouble diagnosis
• A/T shift lock system
• Key interlock cable
• On-vehicle service
• Service data and specifications

Transfer

• Precautions
• Preparation
• All-mode 4WD system
• On board diagnostic system description
• Trouble diagnosis
• Transfer motor and transfer motor relay
• Vehicle speed sensor
• Transfer fluid temperature sensor
• Clutch pressure switch
• Line pressure switch
• ABS operation signal
• Data erase / display
• Shift actuator
• Shift actuator position switch
• Shift actuator circu
• Component inspection
• Service data and specifications

Propeller shaft and differential carrier

• Propeller shaft
• Front final drive
• Rear final drive

Front and rear axle

• Front axle
• Rear axle

Front and rear suspension

• Front suspension
• Rear suspension

Brake system

• Precautions
• Preparation
• Noise, vibration and harshness troubleshooting
• On-vehicle service
• Brake hydraulic line
• Proportioning valve
• Load sensing valve
• Brake pedal and bracket
• Master cylinder
• Brake booster
• Vacuum piping
• Front disc brake
• Rear drum brake
• Parking brake control

Steering system

• Precautions
• Preparation
• Noise, vibration and harshness troubleshooting
• On-vehicle service
• Steering wheel and steering column
• Steering transfer gear
• Power steering gear and linkage
• Power steering oil pump
• Service data and specifications

Restraint system

• Seat belts
• Supplemental restraint system

Body and trim

• Precautions
• Preparation
• Squeak and rattle trouble diagnoses
• Clip and fastener
• Body front end
• Body rear end and opener
• Front door
• Rear door
• Instrument panel assembly
• Side and floor trim
• Door trim
• Roof trim
• Back door trim
• Exterior
• Front seat
• Rear seat
• Sunroof
• Windshield and windows
• Door mirror
• Body (alignment)

Heater and air conditioner

• Precautions
• Preparation
• Description
• Trouble diagnoses
• Service procedure
• Service data and specifications

Starting and charging system

• Precautions
• Preparation
• Battery
• Starting system
• Charging system
• Service data and specifications

Electrical system

• Compass and thermometer
• Meters and gauges
• Interior, spot, vanity mirror and luggage room lamps
• Illumination
• Turn signal and hazard warning lamps
• Front fog lamp
• Back-up lamp
• Stop lamp
• Parking, license and tail lamps
• Headlamp
• Steering switch
• Combination switch
• Ground
• Power supply routing
• Standardized relay
• Harness connector
• Precautions
• Warning lamps
• A/T indicator
• Warning chime
• Front wiper and washer
• Rear wiper and washer
• Horn
• Cigarette lighter
• Clock
• Rear window defogger
• Audio
• Audio antenna
• Power sunroof
• Door mirror
• Glass hatch opener
• Fuel filler lid opener
• Power seat
• Heated seat
• Automatic drive positioner
• Automatic speed control device
• Power window
• Power door lock
• Multi-remote control system
• Theft warning system
• Smart entrance control unit
• Integrated homelink transmitter
• Infiniti vehicle immobilizer system
• Infiniti communicator
• Navigation system
• Electrical units location
• Harness layout
• Bulb specifications
• Wiring diagram codes

Index

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