Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures
  • DTC Index
  • Electrical Component Locations
    • OEM Component Harness Location Charts
    • QX70 - Component Locations
  • Fluids
  • Technical Bulletins
    • 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 (With Intelligent Key System) (Basic Inspection And System Description)
    • Door & Lock (With Intelligent Key System) (Circuit Diagnosis, Symptom Diagnosis & Removal And Installation)
    • Door & Lock (With Intelligent Key System) (DTC/Circuit Diagnosis)
    • Security Control System
    • Security Control System (DTC/Circuit Diagnosis)
  • Collision/Avoidance
    • Brake Control System (Brake Assist With Preview Function)
    • Brake Control System (Intelligent Brake Assist)
    • Cruise Control System (ASCD)
    • Cruise Control System (ICC) (Full Speed Range)
    • Cruise Control System (ICC) (Full Speed Range) (DTC/Circuit Diagnosis)
    • Driver Assistance System (DCA)
    • Driver Assistance System (DCA) (DTC/Circuit Diagnosis)
    • Driver Assistance System (FCW)
    • Driver Assistance System (LDW & LDP)
    • Driver Assistance System (LDW & LDP) (DTC/Circuit Diagnosis)
  • Communication Devices
    • Body Control System
    • Body Control System (DTC/Circuit Diagnosis)
    • LAN System (Can Fundamental)
    • LAN System (Can Gateway)
    • LAN System (Can Gateway) (DTC/Circuit Diagnosis)
    • LAN System (Can System) (Type 1)
    • LAN System (Can System) (Type 2)
    • LAN System (Can System) (Type 3)
    • LAN System (Can System) (Type 4)
    • LAN System (Can System) (Type 5)
    • LAN System (Can System) (Type 6)
    • LAN System (Can System) (Type 7)
    • LAN System (Can System) (Type 8)
    • LAN System (Can System) (Type 9)
    • LAN System (Can System) (Type 10)
    • LAN System (Can System) (Type 11)
    • LAN System (Can System) (Type 12)
    • LAN System (Can System) (Type 13)
    • LAN System (Can System) (Type 14)
    • LAN System (Can System) (Type 15)
    • LAN System (Can)
  • Cruise Control Systems
    • Cruise Control System (ASCD)
    • Cruise Control System (ICC) (Full Speed Range)
    • Cruise Control System (ICC) (Full Speed Range) (DTC/Circuit Diagnosis)
    • Driver Assistance System (DCA)
    • Driver Assistance System (DCA) (DTC/Circuit Diagnosis)
    • Driver Assistance System (FCW)
    • Driver Assistance System (LDW & LDP)
    • Driver Assistance System (LDW & LDP) (DTC/Circuit Diagnosis)
  • Drivers Assistance Systems - ADAS
    • Brake Control System (Brake Assist With Preview Function)
    • Brake Control System (Intelligent Brake Assist)
    • Cruise Control System (ASCD)
    • Cruise Control System (ICC) (Full Speed Range)
    • Cruise Control System (ICC) (Full Speed Range) (DTC/Circuit Diagnosis)
    • Driver Assistance System (DCA)
    • Driver Assistance System (DCA) (DTC/Circuit Diagnosis)
    • Driver Assistance System (FCW)
    • Driver Assistance System (LDW & LDP)
    • Driver Assistance System (LDW & LDP) (DTC/Circuit Diagnosis)
  • Entertainment Systems
    • Audio System
    • Audio System (DTC/Circuit Diagnosis)
    • Audio, Visual & Navigation System (Navigation) (DTC/Circuit Diagnosis) (2 Of 2)
    • Audio, Visual & Navigation System (Navigation) (DTCS) (1 Of 2)
    • Audio, Visual & Navigation System (Navigation) (Introduction, Wiring Diagrams And Basic Inspection)
    • Audio, Visual & Navigation System (Navigation) (Symptom Diagnosis & Removal And Installation)
  • Exterior Lights
    • Exterior Lighting System (Xenon Type)
    • Exterior Lighting System (Xenon Type) (DTC/Circuit Diagnosis)
  • Gauges & Instrument Panels
    • Instrument Panel
    • Meter, Warning Lamp & Indicator
    • Meter, Warning Lamp & Indicator (DTC/Circuit Diagnosis)
  • Headlights
    • Exterior Lighting System (Xenon Type)
    • Exterior Lighting System (Xenon Type) (DTC/Circuit Diagnosis)
  • Heated Glass/Defoggers
  • Horns
  • Infotainment
    • Audio System
    • Audio System (DTC/Circuit Diagnosis)
    • Audio, Visual & Navigation System (Navigation) (DTC/Circuit Diagnosis) (2 Of 2)
    • Audio, Visual & Navigation System (Navigation) (DTCS) (1 Of 2)
    • Audio, Visual & Navigation System (Navigation) (Introduction, Wiring Diagrams And Basic Inspection)
    • Audio, Visual & Navigation System (Navigation) (Symptom Diagnosis & Removal And Installation)
  • Interior/Exterior Trim
  • Interior/Illumination Lights
    • Interior Lighting System
  • Mirrors
    • Mirrors (With ADP)
    • Mirrors (Without ADP)
  • Seats
    • Automatic Drive Positioner (Basic Inspection And System Description)
    • Automatic Drive Positioner (DTC/Circuit Diagnosis)
    • Automatic Drive Positioner (Symptom Diagnosis & Removal And Installation)
    • Seats
  • Warning Systems
    • Cruise Control System (ASCD)
    • Cruise Control System (ICC) (Full Speed Range)
    • Cruise Control System (ICC) (Full Speed Range) (DTC/Circuit Diagnosis)
    • Driver Assistance System (DCA)
    • Driver Assistance System (DCA) (DTC/Circuit Diagnosis)
    • Driver Assistance System (FCW)
    • Driver Assistance System (LDW & LDP)
    • Driver Assistance System (LDW & LDP) (DTC/Circuit Diagnosis)
    • Tires, Wheels & Tire Pressure Monitoring System (TPMS)
    • Tires, Wheels & Tire Pressure Monitoring System (TPMS) [DTC/Circuit Diagnosis]
    • Warning Chime System
  • Window Motors & Regulators
    • Glass & Window System
    • Power Window Control System
  • Wiper/Washer Systems
    • Wiper & Washer
• Body & Frame
  • Door Locks
    • Door & Lock (With Intelligent Key System) (Basic Inspection And System Description)
    • Door & Lock (With Intelligent Key System) (Circuit Diagnosis, Symptom Diagnosis & Removal And Installation)
    • Door & Lock (With Intelligent Key System) (DTC/Circuit Diagnosis)
    • Security Control System
    • Security Control System (DTC/Circuit Diagnosis)
  • Exterior Body Panels
    • Door & Lock (With Intelligent Key System) (Circuit Diagnosis, Symptom Diagnosis & Removal And Installation)
    • Exterior
  • Exterior/Interior Trim
  • Mirrors
    • Mirrors (With ADP)
    • Mirrors (Without ADP)
  • Seats
    • Automatic Drive Positioner (Basic Inspection And System Description)
    • Automatic Drive Positioner (DTC/Circuit Diagnosis)
    • Automatic Drive Positioner (Symptom Diagnosis & Removal And Installation)
    • Seats
  • Sun Roof/T-Top/Convertible Top
  • Windows
    • Glass & Window System
    • Power Window Control System
• Brakes
  • Anti-Lock Brakes
    • Brake Control System (Brake Assist With Preview Function)
    • Brake Control System (Intelligent Brake Assist)
    • Brake Control System (VDC/TCS/Abs)
    • Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis)
  • Brakes Control Systems
    • Brake Control System (Brake Assist With Preview Function)
    • Brake Control System (Intelligent Brake Assist)
    • Brake Control System (VDC/TCS/Abs)
    • Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis)
  • Mechanical - Hydraulic
    • Brake System
  • Parking Brake System
  • Traction Control
    • Brake Control System (Brake Assist With Preview Function)
    • Brake Control System (Intelligent Brake Assist)
    • Brake Control System (VDC/TCS/Abs)
    • Brake Control System (VDC/TCS/Abs) (DTC/Circuit Diagnosis)
• Drivelines & Axles
  • Axle Shafts
    • Front Axle (AWD)
    • Rear Axle
  • Differentials & Drive Axles
    • Front Axle (AWD)
    • Front Final Drive
    • Rear Axle
    • Rear Final Drive
  • Driveshaft & Universal Joints
    • Front Propeller Shaft
    • Rear Propeller Shaft (3F-R-2VL107)
    • Rear Propeller Shaft (3F80A-1VL107)
    • Rear Propeller Shaft (3S80A-R)
  • Wheel Hubs
    • Front Axle (AWD)
    • Rear Axle
• Electrical
  • Body Electrical
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • Power Control System (IPDM E/R)
    • Power Control System (IPDM E/R) (DTC/Circuit Diagnosis)
    • Power Control System (Power Distribution System)
    • Power Control System (Power Distribution System) (DTC/Circuit Diagnosis)
    • Power Outlet
    • Power Supply, Ground & Circuit Elements
  • Charging Systems
  • Component Locations
    • OEM Component Harness Location Charts
    • QX70 - 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
  • Motors, Switches, Relays
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • Power Control System (IPDM E/R)
    • Power Control System (IPDM E/R) (DTC/Circuit Diagnosis)
    • Power Control System (Power Distribution System)
    • Power Control System (Power Distribution System) (DTC/Circuit Diagnosis)
    • Power Outlet
    • Power Supply, Ground & Circuit Elements
  • Starter
    • Starting System
  • Wiring Diagrams
    • OEM Component Harness Location Charts
    • OEM Connector End Views
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Cooling Fan
    • Engine Cooling System
  • Cooling System (Mechanical)
    • Engine Cooling System
  • Exhaust System
  • Fuel System
  • Engine Lubrication System
  • Engine Mechanical
  • Starter
    • Starting System
• 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
  • Mode 6 - INFINITI
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Engine Control System (Basic Inspection And System Description)
    • Engine Control System (DTC/Circuit Diagnosis) (1 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (4 Of 4)
    • Engine Control System (DTCS) (2 Of 4)
    • Engine Control System (DTCS) (3 Of 4)
    • Engine Control System (Introduction And Symptom Diagnosis)
  • Testing & Diagnosis
    • Engine Control System (Basic Inspection And System Description)
    • Engine Control System (DTC/Circuit Diagnosis) (1 Of 4)
    • Engine Control System (DTC/Circuit Diagnosis) (4 Of 4)
    • Engine Control System (DTCS) (2 Of 4)
    • Engine Control System (DTCS) (3 Of 4)
    • Engine Control System (Introduction And Symptom Diagnosis)
• 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 (Automatic Air Conditioner) (Symptom Diagnosis & Removal And Installation)
    • Heater & Air Conditioning System
    • Heater & Air Conditioning System (Automatic Air Conditioner) (Basic Inspection And Circuit Diagnosis)
    • Ventilation System
• Maintenance
  • Procedures
    • Maintenance
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • SRS Airbag (DTCS)
    • SRS Airbag Control System
    • SRS Airbag System
  • Restraints Control Systems
    • Seat Belt (DTC/Circuit Diagnosis)
    • Seat Belt (Introduction And Symptom Diagnosis)
    • Seat Belt (Removal And Installation)
  • Seat Belts
    • Seat Belt (DTC/Circuit Diagnosis)
    • Seat Belt (Introduction And Symptom Diagnosis)
    • Seat Belt (Removal And Installation)
• Steering
  • Electronic Steering
    • Steering Control System
  • Manual Steering
    • Steering System
  • Power Steering
    • Steering System
  • Steering Column
    • Steering System
  • Steering Control Systems
  • Steering Gear
    • Steering System
  • Steering Linkage
    • Steering System
• Suspension
  • Front Suspension (AWD)
  • Rear Suspension
  • INFINITI Wheel Alignment Specifications - QX70
  • Wheels & Tire System
    • Tires, Wheels & Tire Pressure Monitoring System (TPMS)
    • Tires, Wheels & Tire Pressure Monitoring System (TPMS) [DTC/Circuit Diagnosis]
• Transmission
  • Automatic Trans
    • Automatic Transmission (Basic Inspection)
    • Automatic Transmission (DTC/Circuit Diagnosis)
    • Automatic Transmission (Symptom Diagnosis & Removal And Installation)
  • Transfer Case
    • Transfer Case
    • Transfer Case (DTC/Circuit Diagnosis)
• External Pages