Repair and Diagnosis

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• Quick Lookups
  • Common Specs & Procedures - C5 Platform
  • Electrical Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fluids
  • Technical Bulletins
    • Campaigns
    • Safety Recalls
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Accessories & Equipment
  • Anti-Theft Systems
    • Front Doors, Central Locking System
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
    • On Board Diagnostic (OBD) - Central Locking System, Memory Seats, Ultrasonic Interior Monitor
    • Rear Doors
  • Communication Devices
    • On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
    • Radio, Telephone, Navigation, Trip Computer
  • Cruise Control Systems
    • Cruise Control - 2001 And Up
    • Lights, Switches-Exterior - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
  • Entertainment Systems
    • On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
    • Radio, Telephone, Navigation, Trip Computer
  • Exterior Lights
    • Lights, Switches-Exterior - 2001 And Up
  • Gauges & Instrument Panels
    • Instruments - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
  • Headlights
    • Lights, Switches-Exterior - 2001 And Up
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
    • Windshield Wiper And Washer System - 2001 And Up
  • Heated Glass/Defoggers
    • On Board Diagnostic (OBD) - HVAC
  • Horns
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
  • Infotainment
    • On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
    • Radio, Telephone, Navigation, Trip Computer
  • Interior/Exterior Trim
    • Interior Equipment
    • Interior Trim
  • Interior/Illumination Lights
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
  • Memory Modules
    • On Board Diagnostic (OBD) - Central Locking System, Memory Seats, Ultrasonic Interior Monitor
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - Central Locking System, Memory Seats, Ultrasonic Interior Monitor
    • Seats Frames
  • Steering Column Switches
    • Lights, Switches-Exterior - 2001 And Up
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
    • Radio, Telephone, Navigation, Trip Computer
    • Steering
  • Warning Systems
    • Lights, Switches-Exterior - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
    • Wheels, Tires
  • Window Motors & Regulators
    • Front Doors, Central Locking System
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • Rear Doors
  • Wiper/Washer Systems
    • Windshield Wiper And Washer System - 2001 And Up
• Body & Frame
  • Door Locks
    • Front Doors, Central Locking System
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
    • On Board Diagnostic (OBD) - Central Locking System, Memory Seats, Ultrasonic Interior Monitor
    • Rear Doors
  • Exterior Body Panels
    • Body Front
    • Bumper
    • Exterior Equipment
    • Front Doors, Central Locking System
    • Hood Lids
    • Rear Doors
  • Exterior/Interior Trim
    • Interior Equipment
    • Interior Trim
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • On Board Diagnostic (OBD) - Central Locking System, Memory Seats, Ultrasonic Interior Monitor
    • Seats Frames
  • Sun Roof/T-Top/Convertible Top
    • Sunroof
  • Windows
    • Front Doors, Central Locking System
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
    • Rear Doors
• Brakes
  • Anti-Lock Brakes
    • Brake System - Abs
    • Brake System - On Board Diagnostic (OBD) - Abs & Esp
  • Mechanical - Hydraulic
    • Brake System
  • Traction Control
    • Brake System - Abs
    • Brake System - On Board Diagnostic (OBD) - Abs & Esp
• Drivelines & Axles
  • Axle Shafts - Front & Rear
• Electrical
  • Charging Systems
    • Generators & Regulators
  • Component Locations
    • Diagnostic Connector (DLC) Locations
    • Electrical Component Locator
  • Fuses & Circuit Breakers
  • Gauges
    • Instruments - 2001 And Up
    • On Board Diagnostic (OBD) - 2001 And Up
  • Horns
    • Lights, Switches-Interior, Anti-Theft - 2001 And Up
  • Starters
  • Wiring Diagrams
    • System Wiring Diagrams
    • Using lemon2025'S System Wiring Diagrams
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Emission Control System Visual Inspection Procedures - General Information
  • Blowers, Superchargers & Turbochargers
    • Exhaust System - 2.7L V6 BITURBO - APB, Bel
    • Turbocharger, G-Charger, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Cooling Fan
    • Engine Cooling - 2.7L V6 BITURBO - APB, Bel
    • On Board Diagnostic (OBD) - HVAC
  • Cooling System (Mechanical)
    • Engine Cooling - 2.7L V6 BITURBO - APB, Bel
  • Exhaust
    • Exhaust System - 2.7L V6 BITURBO - APB, Bel
    • Exhaust System, Emission Controls, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Fuel System
    • Fuel Supply System - All Engines
    • Fuel Supply, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel
  • Mechanical
    • Engine Mechanical - 2.7L V6 BITURBO - APB, Bel
    • Exhaust System, Emission Controls, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel
  • Starters
• Engine Performance
  • Application
    • Engine Controls - Introduction
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Fuel Supply System - All Engines
    • Fuel Supply, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel
  • Ignition System
    • Ignition System - 2.7L V6 BITURBO - APB, Bel
    • Ignition System, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Mode 6 - 1998-05 A6, A6 AVANT, ALLROAD QUATTRO, RS6, S6 AVANT
  • Specifications
    • Firing Order & Cylinder Identification
  • System
    • Exhaust System - 2.7L V6 BITURBO - APB, Bel
    • Exhaust System, Emission Controls, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Fuel Supply System - All Engines
    • Fuel Supply, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Ignition System - 2.7L V6 BITURBO - APB, Bel
    • Ignition System, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI), Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • On Board Diagnostic (OBD) - 2.7L V6 BITURBO - APB, Bel
    • On Board Diagnostic (OBD) - Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Turbocharger, G-Charger, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Testing & Diagnosis
    • Exhaust System - 2.7L V6 BITURBO - APB, Bel
    • Exhaust System, Emission Controls, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Fuel Supply System - All Engines
    • Fuel Supply, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Ignition System - 2.7L V6 BITURBO - APB, Bel
    • Ignition System, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel
    • MULTIPORT Fuel Injection (MFI), Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • On Board Diagnostic (OBD) - 2.7L V6 BITURBO - APB, Bel
    • On Board Diagnostic (OBD) - Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
    • Turbocharger, G-Charger, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Tune-Up
    • Ignition System - 2.7L V6 BITURBO - APB, Bel
    • Ignition System, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel
  • Vacuum Diagrams
  • Wiring Diagrams
• 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
  • Computer Relearn Procedures - Import
  • OBD-II Drive Cycles
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • 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
    • Transmission Application - A/T
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • OEM General Information
    • How To Use The Engine Performance Section
  • Reset Procedures
    • BARTEC TPMS Reset Procedure (Direct TPM System)
    • Maintenance Reminder Light (Reset Procedures)
  • Restraints
    • Air Bag Deactivation Procedures
    • Air Bag/SRS Component Inspection & Replacement Tables - EUROPEAN
  • Specifications Index
    • Common Specs & Procedures - C5 Platform
  • 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)
  • General Servicing
    • Cabin Air Filter
  • HVAC Control Systems
    • Air Conditioning
    • On Board Diagnostic (OBD) - HVAC
• Maintenance
  • Procedures
    • Maintenance
    • Maintenance Reminder Light (Reset Procedures)
• Restraints
  • Air Bag, SRS
    • Air Bag/SRS Component Inspection & Replacement Tables - EUROPEAN
• Steering
  • Manual Steering
  • Power Steering
  • Steering Column
• Suspension
  • Electronic Suspension
    • On Board Diagnostic (OBD) - Suspension & Tire Pressure Monitoring
    • Self Leveling Suspension
  • Front Suspension
    • Suspension - Front
  • Rear Suspension
    • Suspension - Rear, AWD
  • Suspension Control Systems
    • On Board Diagnostic (OBD) - Suspension & Tire Pressure Monitoring
    • Self Leveling Suspension
  • Wheel Alignment
    • Specifications & Procedures
  • Wheels & Tire System
    • On Board Diagnostic (OBD) - Suspension & Tire Pressure Monitoring
    • Wheels, Tires
• Transmission
  • Automatic Trans
    • On Board Diagnostic (OBD) - A/T 01L
    • Overhaul - A/T 01L
    • Servicing - A/T (01L)
• External Pages