Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • OEM Component Harness Location Charts
    • QX30 - Component Locations
  • Fluids
  • Technical Bulletins
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Door & Lock
    • Door & Lock (DTC/Circuit Diagnosis)
    • Security Control System
  • Collision/Avoidance
    • Around View Monitor System
    • Around View Monitor System (DTC/Circuit Diagnosis)
    • Cruise Control System (ICC)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (1 Of 2)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (2 Of 2)
    • Driver Assistance System
    • Driver Assistance System (DTC/Circuit Diagnosis)
    • Forward Emergency Braking
    • Forward Emergency Braking (DTC/Circuit Diagnosis)
    • Park Assist
    • Rear View Monitor System
    • Rear View Monitor System (DTC/Circuit Diagnosis)
    • Sonar System
    • Sonar System (DTC/Circuit Diagnosis)
  • Communication Devices
    • Can Gateway
    • Can Gateway (DTC/Circuit Diagnosis)
    • Can System
    • Can System (Circuit Diagnosis)
  • Cruise Control Systems
    • Automatic Speed Control Device (ASCD)
    • Cruise Control System (ICC)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (1 Of 2)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (2 Of 2)
  • Drivers Assistance Systems - ADAS
    • Around View Monitor System
    • Around View Monitor System (DTC/Circuit Diagnosis)
    • Cruise Control System (ICC)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (1 Of 2)
    • Cruise Control System (ICC) (DTC/Circuit Diagnosis) (2 Of 2)
    • Driver Assistance System
    • Driver Assistance System (DTC/Circuit Diagnosis)
    • Forward Emergency Braking
    • Forward Emergency Braking (DTC/Circuit Diagnosis)
    • Park Assist
    • Rear View Monitor System
    • Rear View Monitor System (DTC/Circuit Diagnosis)
    • Sonar System
    • Sonar System (DTC/Circuit Diagnosis)
  • Entertainment Systems
    • Audio, Visual& Navigation System (DTC/Circuit Diagnosis) (1 Of2)
    • Audio, Visual& Navigation System (DTC/Circuit Diagnosis) (2 Of 2)
    • Audio, Visual& Navigation System (INFINITI INTOUCH) (1 Of 2)
    • Audio, Visual& Navigation System (INFINITI INTOUCH) (2 Of 2)
    • Telematics System
    • Telematics System (DTC/Circuit Diagnosis)
  • Exterior Lights
    • Exterior Lighting System
    • Exterior Lighting System (DTC/Circuit Diagnosis)
    • Halogen Headlamp
    • Halogen Headlamp (DTC/Circuit Diagnosis)
  • Gauges & Instrument Panels
    • Instrument Panel
    • Meter, Warning Lamp & Indicator
    • Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis)
  • Headlights
    • Exterior Lighting System
    • Exterior Lighting System (DTC/Circuit Diagnosis)
    • Halogen Headlamp
    • Halogen Headlamp (DTC/Circuit Diagnosis)
  • Heated Glass/Defoggers
    • Defogger
    • Defogger (DTC/Circuit Diagnosis)
  • Horns
    • Horn
    • Horn (DTC/Circuit Diagnosis)
  • Infotainment
    • Audio, Visual& Navigation System (DTC/Circuit Diagnosis) (1 Of2)
    • Audio, Visual& Navigation System (DTC/Circuit Diagnosis) (2 Of 2)
    • Audio, Visual& Navigation System (INFINITI INTOUCH) (1 Of 2)
    • Audio, Visual& Navigation System (INFINITI INTOUCH) (2 Of 2)
    • Telematics System
    • Telematics System (DTC/Circuit Diagnosis)
  • Interior/Exterior Trim
    • Exterior
    • Interior
  • Interior/Illumination Lights
    • Interior Lighting System
    • Interior Lighting System (DTC/Circuit Diagnosis)
  • Mirrors
    • Mirrors
    • Mirrors (DTC/Circuit Diagnosis)
  • Seats
    • Automatic Drive Positioner
    • Automatic Drive Positioner (DTC/Circuit Diagnosis)
    • Seat
    • Seat (DTC/Circuit Diagnosis)
  • Warning Systems
    • Meter, Warning Lamp & Indicator
    • Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis)
    • Warning Chime System
    • Wheel & Tire System
    • Wheel & Tire System (DTC/Circuit Diagnosis)
  • Window Motors & Regulators
    • Glass & Window System
    • Power Window Control System
    • Power Window Control System (DTC/Circuit Diagnosis)
  • Wiper/Washer Systems
    • Wiper & Washer System
    • Wiper & Washer System (DTC/Circuit Diagnosis)
• Body & Frame
  • Door Locks
    • Door & Lock
    • Door & Lock (DTC/Circuit Diagnosis)
    • Security Control System
  • Exterior Body Panels
    • Door & Lock
    • Exterior
  • Exterior/Interior Trim
    • Exterior
    • Interior
  • Mirrors
    • Mirrors
    • Mirrors (DTC/Circuit Diagnosis)
  • Seats
    • Automatic Drive Positioner
    • Automatic Drive Positioner (DTC/Circuit Diagnosis)
    • Seat
    • Seat (DTC/Circuit Diagnosis)
  • Sun Roof/T-Top/Convertible Top
    • Roof
    • Roof (DTC/Circuit Diagnosis)
  • Windows
    • Glass & Window System
    • Power Window Control System
    • Power Window Control System (DTC/Circuit Diagnosis)
• Brakes
  • Brakes Control Systems
    • Brake Control System - Adaptive Brake (ABR)
    • Brake Control System - Adaptive Brake (ABR) (DTC/Circuit Diagnosis) (1 Of 5)
    • Brake Control System - Adaptive Brake (ABR) (DTC/Circuit Diagnosis) (2 Of 5)
    • Brake Control System - Adaptive Brake (ABR) (DTC/Circuit Diagnosis) (3 Of 5)
    • Brake Control System - Adaptive Brake (ABR) (DTC/Circuit Diagnosis) (4 Of 5)
    • Brake Control System - Adaptive Brake (ABR) (DTC/Circuit Diagnosis) (5 Of 5)
  • Mechanical - Hydraulic
    • Brake System
  • Parking Brake System
    • Parking Brake System
    • Parking Brake System (DTC/Circuit Diagnosis)
• Drivelines & Axles
  • Axle Shafts
    • Front Axle
    • Rear Axle (2WD)
  • Differentials & Drive Axles
    • Front Axle
    • Rear Final Drive
  • Driveshaft & Universal Joints
    • Rear Propeller Shaft
  • Wheel Hubs
    • Front Axle
    • Rear Axle (2WD)
• Electrical
  • Body Electrical
    • Body Control System
    • Body Control System (DTC/Circuit Diagnosis)
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • Power Control System
    • Power Control System (DTC/Circuit Diagnosis)
    • Power Outlet
    • Power Supply, Ground & Circuit Elements
  • Charging Systems
    • Charging System
    • Charging System (DTC/Circuit Diagnosis)
  • Component Locations
    • OEM Component Harness Location Charts
    • QX30 - Component Locations
  • Fuses & Circuit Breakers
    • OEM Component Harness Location Charts
    • OEM Connector End Views
  • Gauges
    • Instrument Panel
    • Meter, Warning Lamp & Indicator
    • Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis)
  • Horns
    • Horn
    • Horn (DTC/Circuit Diagnosis)
  • Motors, Switches, Relays
    • Body Control System
    • Body Control System (DTC/Circuit Diagnosis)
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • Power Control System
    • Power Control System (DTC/Circuit Diagnosis)
    • Power Outlet
    • Power Supply, Ground & Circuit Elements
  • Starter
    • Starting System
    • Starting System (Circuit Diagnosis)
  • Wiring Diagrams
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Cooling System (Mechanical)
    • Engine Cooling System
  • Exhaust System
  • Fuel System
  • Engine Lubrication System
  • Engine Mechanical
  • Starter
    • Starting System
    • Starting System (Circuit Diagnosis)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Engine Control Systems
    • Accelerator Control System
  • Fuel Delivery
    • Fuel System
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Engine Control System (1 Of 2)
    • Engine Control System (2 Of 2)
    • Engine Control System (DTC/Circuit Diagnosis) (1 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (2 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (3 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (4 Of 4)
  • Testing & Diagnosis
    • Engine Control System (1 Of 2)
    • Engine Control System (2 Of 2)
    • Engine Control System (DTC/Circuit Diagnosis) (1 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (2 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (3 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (4 Of 4)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • Automatic Stop/Start Disable
    • General Information
  • Reset Procedures
    • Maintenance Reminder Light (Reset Procedures)
    • Tire Pressure Monitor Systems
  • Specifications Index
    • Common Specs & Procedures
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Traction Control Disable Procedures
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • HVAC Control Systems
    • Heater & Air Conditioning Control System
    • Heater & Air Conditioning Control System (DTC/Circuit Diagnosis)
    • Heater & Air Conditioning System
    • Ventilation System
• Maintenance
  • Procedures
    • Maintenance
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • SRS Airbag
    • SRS Airbag Control System
    • SRS Airbag Control System (DTC/Circuit Diagnosis)
  • Passive Restraints
    • Seat Belt
    • Seat Belt Control System
  • Restraints Control Systems
    • Seat Belt Control System
    • SRS Airbag Control System
    • SRS Airbag Control System (DTC/Circuit Diagnosis)
  • Seat Belts
    • Seat Belt Control System
    • SRS Airbag Control System
    • SRS Airbag Control System (DTC/Circuit Diagnosis)
• Steering
  • Electronic Steering
    • Steering Control System
    • Steering Control System (DTC/Circuit Diagnosis)
    • Steering System
  • Steering Column
    • Steering System
  • Steering Control Systems
    • Steering Control System
    • Steering Control System (DTC/Circuit Diagnosis)
  • Steering Gear
    • Steering System
  • Steering Linkage
    • Steering System
• Suspension
  • Front Suspension
  • Rear Suspension
  • INFINITI Wheel Alignment Specifications - QX30
  • Wheels & Tire System
    • Wheel & Tire System
    • Wheel & Tire System (DTC/Circuit Diagnosis)
• Transmission
  • Automatic Trans
    • Automatic Transmission
    • Automatic Transmission (DTC/Circuit Diagnosis)
  • Transfer Case
    • Transfer Case
    • Transfer Case (DTC/Circuit Diagnosis)
• External Pages